Processing - October 2013

S O L U T I O N S F O R T H E P R O C E S S I N D U S T R I E S

October 2013

Bulk Bag Discharging and Feeding System

The Material

Master™ Bulk Bag

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tent material fl ow, while the Seal-Master™ access chamber allows easy operator access to bag spout. Sure-Seal™ pneumatic spout clamping system ensures dust-tight opera-

tion. A Flo-Lock™ discharge gate quickly halts material fl ow for partial bag discharge. For more information on weighing &

feeders, turn to page 46.

Material Transfer & Storage, Inc.www.materialtransfer.comWrite In 503

Guided Wave Radar Transmitter

Magnetrol International’s ECLIPSE Model 706 guided wave radar (GWR) transmitter delivers outstanding accuracy, reliability and safety for virtually all process indus-tries. The transmitter provides effi cient and cost-effective liquid level and interface control and is virtually unaffected by fl uctuating process conditions including density, dielectric, viscosity and specifi c gravity. For more

information on level measurement, turn to page 14.

Magnetrol International, Inc.www.magnetrol.comWrite In 502

Thermal Mass Gas Flow Meter Obtains SIL Compliance

For air and gas fl ow measurement in SIS applications, FCI’s ST100 Series Thermal Mass Air/Gas Flow Meters have been evaluated and a FMEDA report produced by Exida, an accredited functional safety certifi cation company, and classifi ed as a Type B subsystem in accordance to IEC 61508-1 compliant to SIL-1. Formore information on fl owmeters, turn to page 6.

Fluid Components Internationalwww.fl uidcomponents.comWrite In 500

Slurry valves have a critical role in optimizing the operating time of the processes in which they are employed. Select the right slurry valve for the application, and plants are able to experience extended uptimes that allow for increased production, contributing posi-tively to the company’s bottom line. On the fl ip side, selecting the wrong slurry valve for the application can mean reduced produc-

tion and increased maintenance in the form

of operational and replacement costs. So how do you know what characteristics to look for in a valve? Find out on page 30.

One of the most notable annual events in the fl owmeter world is the Colorado Engineering Experiment Station, Inc. (CEESI) Ultrasonic Meter Workshop. This year, the conference drew more than 180 participants to Denver. The workshops bring together market decision-makers and theorists in the ultrasonic fl owmeter community, along with end-users, to discuss key topics related to products and applications.

To read fl owmeter expert Dr. Jesse Yoder’s column, turn to page 28.

www.ProcessingMagazine.com

Anti-Water Hammer Valve

Jefferson Solenoid Valves has introduced a slow-closing valve to reduce sudden fl uid stoppage and avoid effects like “water hammer.” Water hammer occurs when a valve closes fast and the fl uid stops suddenly creating a pressure wave that increas-es inside the pipe. Depending on the pipeline's length, fl uid's velocity and closing time, the increase in pressure becomes extremely dangerous, causing bursting of pipes or accessories mounted on them. Jefferson Solenoid Valves solved this prob-lem by implementing a closing device in the valve that slows down the operation by several seconds, which helps arrest or diminish water hammer effects. For more information on valves & actuators, turn to page 28.

Jefferson Solenoid Valves USA, Inc.www.jeffersonvalves.comWrite In 501

Featured Article

Featured ColumnistFlowmeters

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In This Issue2

6 Ultrasonic Flowmeters wow them at CEESI Workshop

One of the most notable annual events in the fl owmeter world is the Colorado Engineering Experiment Station, Inc. (CEESI) UltrasonicMeter Workshop.

14 Measure solids level even when material fl ow problems exist

Measuring the level of solids material can be diffi cult, if the level being measured is changing or the powder or other bulk-solidmaterial being measured doesn’t fl ow easily through a bin.

22 Rising economic tide ‘fl oats’ product solutions at 2013 CHEM SHOW The improving economy will drive increased attendance at the CHEM SHOW and 64% of exhibitors said they will be unveiling new equipment at the Javits Convention Center this December.

24 Use manufacturing intelligence to fi nd value in process control data

It’s better when you can see the forest, trees of greatest interest and relevant woodland conditions.

28 Media containment: Still a major concern Any leakage from a valve in service is a major concern. It is even more critical when the process being controlled involves hazardous materials.

30 Select the right slurry valve for the jobAuthor provides a quick look at valve diversity in some industries that have really “gnarly” processes.

40 Chromatography column innovation includes use of diaphragm pump

Marcel Raedts bucked tradition when he created PROXCYS B.V. Downstream Biosystems, but it has paid off handsomely.

4 Productivity Perspectives

10 Flowmeters

18 Level Measurement

36 Valves

44 Process Control

46 Weighing & Feeders

48 Industry Briefs

53 Info Center

55 Classifi eds56 Index

October 2013 • volume 26, number 10

October 2013•www.ProcessingMagazine.com

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October 2013 • www.ProcessingMagazine.com

A History Steeped in Innovation.

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A few years ago, this editor was in San Francisco. Two events were going on. The fi rst was an OSIsoft user’s conference, which company made the market for enterprise data historians, used widely in process industries. OSIsoft was that year celebrating its 30th anniversary. Just down the street was a big Web 2.0 conference.

A fellow editor was covering both events, and upon returning to OSI’s confab from the other, was asked how he’d compare the two. He replied, “They’re talking about the exact same things at both places. But everyone attending OSIsoft is 30 years older.” And sometimes it seems that’s how it is in the process industries.

It’s not surprising that process-control and instrumentation suppliers have over time pumped up the engineering, fi eld and mainte-nance services they offer user clients. They know the problems process industries face in terms of fi nding good people. And it’s getting worse. Many engineers that weren’t laid off during past recessions are now ready to retire.

One consequence of process industry reliance on technology suppliers is that Dedham, Mass.-based ARC Advisory Group has introduced a new practice to help users get the most for their money, “supplier performance and relationship management (SPRM).” It says the focus here is on supplier service performance associated with complex technology such as advanced control, production management and enterprise asset management (i.e., maintenance writ large) systems. ARC notes that the cost difference

between buying and sustaining can be “almost four-fold.” Key performance indicators for data collection and measurement, ARC says, and use of a scorecard can facilitate a year-to-year analy-sis that drives continuous improvement.

For those interested in technology trends in process industries, ARC’s Industry Forum, which takes place annually in Orlando, Fla., is a great event. The dates for the next one are Feb. 10-13, and its theme is “the transition to the information-driven enterprise.”

While this may not be big news, it remains a major trend of our times. It’s truly amazing how able and eager our engineers are to take advantage of technologies developed for mass markets and billions of individuals, swiftly adapt-ing them for production environments. These include cloud computing, mobility, social tech-nologies, the Internet of Things, big data/analyt-ics and 3-D visualization.

To state the obvious, information technology is different from other technologies in that we continue to see wholesale innovation. While sup-pliers are looking ahead several years, users are burdened with a hodgepodge of legacy systems one built on top of the other.

At ARC, one can fi nd on the crowded fl oor at the evening receptions many people vitally inter-ested in these topics.

4

Leading-edge technology in the gritty process industries

Reader Advisory Board

• Robert J. Bockserman, President, Conatech

• Peter S. Cartwright, President,

Cartwright Consulting Co.

• Barry Charnay, President & CEO, Whisper

Ingredients Inc.

• Ken Delafrange, President, Jadee Inc.

• Don Graham, President, Graham Sanitary

Design Consulting, Ltd.

• Stanley Herzog, President, Princeton

Process Technology Consultants

• B. George Kniazewyz, President, Renovare

• Eric Langer, President, BioPlan Associates

• Ed Marshall, President, Maintenance

Management Technologies

• John Stansfi eld, Plant Manager,

Accelerated Curing Inc.

• Dr. Jesse Yoder, President, Flow Research

• Robert M. Donnelly, Vice President of

Marketing, Flo-Tite Valves & Controls

— Kevin Parker, Editorial [email protected]

Group Publisher, Mike WassonPh: 973-539-7715, Email: [email protected]

Editorial Director, Kevin ParkerEmail: [email protected]

Managing Editor, Nick PhillipsEmail: [email protected]

Associate/Web Editor, Christy UnderwoodEmail: [email protected]

Art Director, Brandon WatkinsEmail: [email protected]

Marketing Manager, Mary Beth Romano

Email: [email protected]

Advertising Sales Assistant, Cookie RayfordEmail: [email protected]

Administrative Team:

General Manager, Barry Lovette

Vice President of Operations, Brent KizzireVice President of Finance, Brad Youngblood Group Director of Circulation & Fulfi llment, Delicia PooleCirculation Manager, Anna Hicks

PROCESSING (Pub.#ISSN 0896-8659)

PROCESSING Magazine is published monthly by Grand View Media Group. Editorial and Executive Offi ces: 200 Croft Street, Ste 1, Birmingham, AL 35242. Periodicals post-age paid at Birmingham, AL & additional mailing offi ces. Canada Post: Publications Mail Agreement #40612608. Canadian Returns to be sent to: Bleuchip International, P.O. Box 25542, London, ON N6C 6B2. POSTMASTER: Send address changes to PROCESSING Magazine, PO BOX 2174, Skokie, IL 60076-7874. SUBSCRIPTIONS: Non-qualifi ed domestic subscriptions: one year, $57; two year, $99; single issue, $10. Canadian and foreign surface subscriptions: one year, $93; two year, $162. Air mail subscription: one year, $203; two year, $355. © Grand View Media Group, 2013. PROCESSING Magazine assumes no responsibility for validity of claims in items reports.

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One of the most notable annual events in the fl owmeter world is the Colorado Engineering Experiment Station, Inc. (CEESI) Ultrasonic Meter Workshop. The fi rst was held in Clear Lake, Iowa, in 2001 and drew 37 attendees. In 2013, the conference was in Denver, with more than 180 participants. The workshops bring together market decision-makers and theorists in the ultrasonic fl owmeter community, along with end-users, to discuss key topics related to products and applications.

Ultrasonic-fl owmeter technology is certainly worthy of its own annual conference. Other fl owmeter workshops include the International North Sea Flow Measurement Workshop, focused on topics related to oil and gas measurement, including multiphase fl ow, allocation metering, and measurement of liquefi ed natural gas (LNG) and liquefi ed petroleum gas (LPG). It’s happening Oct. 22-25 in Tønsberg, Norway.

Another important conference is FLOMEKO, held this year in Paris, Sept. 24-26. FLOMEKO isn’t devoted to a specifi c technology; instead, it deals with a variety of theoretical and practical issues related to fl ow metering. This year’s is its 16th occurrence, with attendees expected from over 25 countries.

Topics and contextAttendees went to CEESI USM to talk about gas-fl ow measurement, includ-

ing for wet gas, fl are stack and high CO2. The future of AGA-9 was discussed and other topics included provers for ultrasonic meters, quality-assurance programs, monitoring systems and ultrasonic-meter calibration. There were presentations on clamp-on meters, as well as multipath ultrasonic meters.

Ultrasonic fl owmeters were introduced commercially by Tokyo Keiki in 1963, and in the United States in the early 1970s by Controlotron (now owned by Siemens). Its ultrasonic meters were of the clamp-on variety. In the early 1980s, both Panametrics and Ultrafl ux experimented with ultra-sonic meters for gas-fl ow measurement. In the mid-1990s, a group called Group Europeen de Recherches Gaziers (GERG) published a technical monograph on ultrasonic fl owmeters for gas fl ow measurement. A mono-graph out of GERG led to increased European ultrasonic fl owmeter use from 1996-1999.

The GERG monograph laid the groundwork for the publication of AGA-9 by the American Gas Association. AGA-9 lays out criteria for using ultrasonic fl owmeters for custody-transfer applications. Since its publica-tion in June 1998, ultrasonic fl owmeters have become widely used for custody transfer of natural gas. They are especially suited for measuring gas fl ow in large pipelines, easily handling fl ow in those above 20 inches in diameter, as well as smaller pipelines. Its main competitors for custody transfer of natural gas are the differential-pressure (DP) orifi ce meter and turbine fl owmeter.

It used to be standard practice to divide the ultrasonic fl owmeter market up according to whether the meters are transit-time, Doppler or hybrid. Traditional use of transit-time meters was to clean liquids, while Doppler meters handle fl uids with impurities. Hybrid meters are a combi-nation of transit-time and Doppler, and use one technology or the other, depending on the fl uid.

The past 10 years, transit-time suppliers made great progress getting transit-time meters to measure fl uid fl ows with some impurities. As a result, Doppler and hybrid meters are less important, since transit-time meters are now used for applications previously reserved for Doppler meters. Another reason for growth in transit-time meters is their use in energy industries, mainly oil and gas, within which Doppler fl owmeters play no major role.

Mounting-type classifi cationMounting type is now the more useful way to classify ultrasonic fl owme-

ters, rather than transit time vs. Doppler. Three main mounting types for ultrasonic fl owmeters include:

• Clamp-on• Insertion • InlineClamp-on meters were most popular in the early days of ultrasonic

fl owmeters. They have some important advantages. Because they clamp on the outside of the pipe to send a signal through the pipe

Ultrasonic flowmeters wow them at CEESI WorkshopBy Jesse Yoder, Ph.D.

Write In 208

Don’t Just Go with the Flow.. .

Control i t . . .

An industry leading manufacturer of solenoid valves for more than 40 years. Jefferson can ensure you don’t just go with the low, but with a choice of more than 3000 solenoid valves for a diverse range of luids including water, air, steam, oil refrigerants, oxygen, liquid nitrogen, corrosive products and many more. Our extensive low and luid control engineering experience, worldwide sales distribution network, along with the ISO9001:2000 quality is your guarantee that Jefferson Solenoid Valves is your choice when you want them to take control of your low.

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8


fl uid to a receiver, clamp-on meters are por-table and do not impede fl ow. Hence, no pressure drop. They often are used as check meters to verify the performance of other in-line fl owmeters.

Clamp-on meter disadvantages limit their usefulness in certain situations. The ultrasonic signal can be attenuated by the pipe wall. Knowing pipe-wall thickness and composition can be important. In addition, build-up on the inside of the pipe wall can affect the internal diameter of the pipe. Knowing the internal pipe diameter is important to getting a cor-rect fl owmeter reading.

Insertion meters are sometimes used in large pipes when a spool-piece would be expensive. They have a cost-advantage over inline meters,

since there is no meter body. Insertion meters go into a hole drilled in the pipe wall. They are widely used in stack-gas and exhaust-fl ow moni-toring. Here they compete with DP fl owmeters using averaging Pitot tubes and with thermal fl owmeters.

Inline ultrasonic fl owmeters are mounted with a meter body in the pipe. Inline meters achieve the highest accuracy of any ultrasonic meters, and multipath ultrasonic meters are inline meters. Multipath meters have three or more ultrasonic signals or “paths” to determine fl ow velocity. This gives them greater accuracy than single- and dual-path meters. The most com-mon number of paths is four, fi ve and six, but some multi-path meters have eight, 12 or even 18 paths. Inline meters are used for custody-transfer applications.

Recalibration an issueA fi nal issue from the CEESI USM discussion

was how often ultrasonic fl owmeters should be recalibrated. This is important to end-users, especially those doing custody transfer, since they must be certain meters read correctly. The AGA seems not to be taking on this issue. Flow

Research is working with Tom Kegel of CEESI to fi nd resolution, and we welcome any comments.

Take advantage of future CEESI Ultrasonic Meter Workshops. CEESI plans a similar conference in Portugal April 22-24, 2014, The European Hydrocarbon Measurement Conference: Ultrasonic and Coriolis Metering. CEESI is expanding the conference scope to cover the fast-growing Coriolis fl owmeter mar-ket. The next CEESI Ultrasonic Meter Workshop is scheduled for July 14-17, 2014 in Denver.

Jesse Yoder, Ph.D., is president of Flow Research, Inc., a company he founded in 1998. He has 26 years of experience as an analyst and writer in process control. Dr. Yoder specializes in fl owmeters and other fi eld devices, includ-ing pressure, level and temperature products. He has written over 150 market research stud-ies in industrial automation and process control and has published over 200 journal articles. He recently authored Volume X: The World Market for Flowmeters, 4th Edition (www.fl owevery-thing.com).

8 Flowmeters

Write In 209

The past 10 years, transit-time sup-pliers made great progress getting transit-time meters to measure fl uid fl ows with some impurities. As a re-sult, Doppler and hybrid meters are less important.

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10 FlowmetersAccurate Air/Gas Measurement In Large Pipes & DuctsThe future-ready ST102A Air/Gas Thermal Mass Flow Meter from Fluid Components International (FCI) fea-tures an advanced dual-element averaging system, improving installation repeatability and accuracy for larger diameter pipes and ducts with unstable fl ow profi les. The transmitter electronics average the input from two fl ow elements into a single output for dependable measurement.

Fluid Components Internationalwww.fl uidcomponents.com

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Thermal Mass Flowmeter & Temperature TransmitterThe Model FT3 Thermal Mass Flow Meter & Temperature Transmitter, winner of Processing’s

2012 Breakthrough Products Award, mea-sures two important process variables in one rugged instrument. The FT3 measures gas fl ow rate in standard units with no need for temperature and pressure compensation. The FT3 is equipped with calibration valida-tion, using CAL-V and Zero CAL-CHECK, which verifi es that the meter is measuring accurately in the fi eld.

Fox Thermal Instrumentswww.foxthermalinstruments.com

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Flowmeter for Ultrapure Applications

The F-462N Series fl ow-meters feature metal-free wetted parts, mak-ing them ideal for use in many ultrapure applica-tions where contact with metal could contaminate fl uid. The high-capacity F-462N utilizes pre-cisely engineered ridges, molded into the meter body, to guide PTFE fl oats. Calibrations range is 2.0 to 80 GPM/8.0 to 300 LPM. Constructed of molded Polysulfone, F-462N meters are more resistant to higher heat and pressure, as well as many chemicals, than many plastic fl owmeters.

Blue-White Industrieswww.blue-white.com

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Flow measurement has gone mobile! With the new

SITRANS CONNECTION app and connection kit for

Apple devices, Siemens gives you total control of

your flow – right at your fingertips.

SITRANS CONNECTION enables direct serial communi-

cation between an iPhone, iPad or iPod Touch and any

SITRANS F US clamp-on ultrasonic flow meter to

enhance all metering functionalities, including

programming, operational review, data logging and

download. The app makes connectivity possible

almost anywhere, without the need for a laptop.

And SITRANS CONNECTION even allows you to

share terminal window access with a Siemens

technician for instant service and support.

Answers for industry.

Program your flow meter with

your iPhone or iPad!Siemens introduces SITRANS CONNECTION, the first app for Clamp-on flow

usa.siemens.com/clamp

Scan to explore the first app for flow metering

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12 Flowmeters


Integrated Flow Measurement for Partially Filled PipesKROHNE’s TIDALFLUX 2300 F electromagnetic fl owmeter features an integrated, non-contact capacitive level mea-surement for fl ow measurement in partially fi lled pipes. The TIDALFLUX 2300 F is designed to provide reliable fl ow measurement for fl ow streams that fi ll between 10% and 100% of the pipe diameter. The accuracy in partially fi lled pipes is <1% of full scale, while the accuracy in full pipes is <1% of the fl ow rate. The TIDALFLUX 2300 F is wet-calibrated at factory in a direct comparison of volumes, so it does not require on-site calibration.KROHNE, Inc.us.krohne.com

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Versatile Display Platform for Flow Monitoring

Badger Meter’s ER-500 Series fl ow monitor provides a fl exible and easy-to-use display platform for monitor-

ing fl ow metrics in the most challenging environ-

ments. The durable, NEMA 4X-rated design of the enclosure broad-ens the applications for Badger Meter Industrial

Oval Gear (Model IOG) fl owmeters. Equipped with a suite of powerful, user-friendly operating features and advanced connectiv-ity options, the ER-500 allows users to connect meters to a network for remote monitoring and process automation capabilities. Multi-point linearization tables are supported in all models, enabling increased read-ing accuracy. Badger Meter, Inc.www.badgermeter.com

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Ultra-low Pressure Drop Mass Flowmeters and ControllersAlicat Scientifi c “Whisper”-Series digital mass fl owme-ters and controllers accurately and rapid-ly measure or control the mass fl ow rate, volumetric fl ow rate and pressure of pro-cess gases with minimal effect on the process itself. The Whisper Series features extraordinarily low pressure drops, as low as 3.6 mbar (0.052 psi) at full scale, or 0.018 mbar when fully turned down (200:1 turndown). Low pressure drop means minimal system impact, resulting in faster mass fl ow measurement (<10 ms) and control (<50 ms typical).Alicat Scientifi c, Inc.www.alicat.com

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No more Hot Work Permits!

FLUXUS® F608 and G608

The World‘s First portable Liquid and Gas Flow Meters for hazardous Areas

External low measurement from the outside

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Extreme versatility - unrivalled application

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Exact measurement - high precision also at high

and low low rates

The F608 and G608 go where other portable device can’t. The complete measuring system can

easily be carried as personal luggage for Offshore visits and is also the ideal companion for

Downstream applications with pipe temperatures as high as 750°F. The G608 plays out its full

potential in the gas storage and transportation ield, where it offers a high degree of lexibility,

without compromising on safety!

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www.ProcessingMagazine.com • October 2013

Coriolis Mass Flowmeter for Dry Bulk Solids MeteringFor metering plastic pellets, grains, and other free fl owing materials Schenck AccuRate’s Multicor® Coriolis Mass Flow Meter offers precise accuracy and repeatability in a compact design. The Multicor is a robust, dust-tight, in-line direct mass fl ow measuring device that is not infl uenced by variations in mate-rial properties, outside forces or plant disturbances. Flow rates up to 10,000 ft³ per hour and accuracies of ± .5% are achievable with the Multicor.Schenck AccuRatewww.accuratefeeders.com

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App for Ultrasonic FlowmetersSiemens Industry Automation Division introduces the Sitrans Connection Apple iOS communication application, designed for use with all Sitrans F US clamp-on ultrasonic fl owmeters. Sitrans Connection enables direct communication between an Apple iOS device (iPhone, iPad or iPod Touch) and any Sitrans F US clamp-on ultrasonic fl owmeter to enhance all meter-ing functionalities, including programming, operational review, data logging and download. The Sitrans Connection app provides greater mobility, making connectivity possible without the need for a laptop computer. Siemens Industry, Inc.www.usa.siemens.com/industry

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masosine.com800-282-8823MasoSine Bredel Watson-Marlow

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GOOD NEWS! Never recondition your lobe pump againNew 20 year warranty on Sine pump housing

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Magnetic Flowmeter TransmittersThe Rosemount E-Series Magnetic Flowmeter Transmitters have multiple diagnostics available.Best-in-Class performance coupled with advanced diagnostics provide unparalleled process manage-ment capabilities. With an optional backlit Local Operator Interface (LOI), confi guration changes and adjustments can be accomplished even in haz-ardous locations without exposing the electronics to the environment.Emerson Process Managementwww2.emersonprocess.com

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Measuring the level of solids material can be diffi cult, if the level being measured is changing or the powder or other bulk-solid material being measured doesn’t fl ow easily through a bin. When dealing with powder and bulk solids in bins, some materials won’t fl ow very well, producing a “rat hole” or “bridge” that can be problematic for level-control or inven-tory-monitoring when using level-measuring devices.

A “rat hole” forms when during vessel discharge material fl ows through the center of the material in the vessel. A “bridge” exists when fl ow sud-denly stops as material forms a bridge, usually just above the discharge opening. In these cases, solve the root cause fi rst and then apply the most appropriate level-sensing device for the material and application.

Why are some bulk-solid materials diffi cult to discharge from their con-tainer? According to the well-known expert Dietmar Schulze, in his paper titled “Flow Properties of Powder Bulk Solids,” the fl ow characteristics of a bulk solid material is dependent upon several factors, including particle shape, particle-size distribution within the vessel, moisture, temperature and chemical composition. These factors impact adhesion between the material particles and other materials, such as the vessel walls, as well as cohesion, the attraction between the material particles themselves.

Fully grasping the factors involved for any specifi c bulk-solid material is diffi cult, if not impossible. Even the awareness of a potential problem prior to vessel selection or design is not common. And that’s really why these problems persist, the fl ow characteristics of a bulk-solid material are not adequately known prior to the selection or design of the vessel to be used with it.

Why this is a problemLevel measurement and detection devices for solids fall into two cat-

egories, those for point-level measurement and those for measuring ves-sel contents on a continuous or regular periodic basis. Point-level sensors monitor and detect the presence or absence of a bulk-solid material at a predetermined point in the vessel. Examples are high- and low-level detection usually for purposes of controlling vessel fi lling. With fl ow prob-

lems that produce a “rat hole,” the level detection sensor is often still detecting material because fl ow continues in the center of the mass of bulk-solid material. For any level sensor mounted from the vessel side or a short distance in from the side wall on the vessel roof it correctly detects and indicates material presence, even though fl ow has stopped because of the “rat hole.” A continuous level sensor used for contents monitor-ing also will likely indicate a quantity of material even though fl ow has stopped and the vessel is apparently empty. Most often the level sensor is accused of faulty operation until an investigation is done and the fl ow problem revealed. For acceptable level detection and measurement, the material fl ow problem must be resolved.

There are at least three ways to solve the kind of fl ow problems that result in a “rat hole” or “bridge.” These are vessel design, vibration and aeration. See my book, titled “Solids Level Measurement and Detection Handbook”, copyright © 2012 by Momentum Press®, LLC all rights reserved, for further and complete information. The section below is taken from the books appendix.

Vessel Design: prevents the fl ow problem by converting the material fl ow from funnel fl ow to mass fl ow. One such example is illustrated in an October 2003 article appearing in POWER magazine that describes a particularly diffi cult and dangerous fl ow problem that resulted in an explosion at the facility in June 1991 (Dantoin et al., 2003). Subsequently the company made several changes including to its coal hoppers so that the material fl owed as mass fl ow. To achieve this, the hopper walls of the cone section were changed to a much steeper angle, the discharge size was increased, and a new lining was installed in place of the existing Gunite lining. These changes were made on two coalbunkers at a very high price, but the results have been good: no fi res or explosions since, as reported by the article.

Vibration: The second method, vibration, can also be an effective means of dealing with fl ow problems. However, unlike vessel design, the use of

Measure solids level even whenmaterial flow problems existBy Joe Lewis

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industrial vibrators does not treat the problem at its root, it only deals with the symptom and, in some regards, defi es logic. When you vibrate a powder in a container you actually pack the mate-rial, the exact opposite of what you would want to do to resolve the fl ow problem, right? But the use of high levels of vibration energy transmitted through the vessel wall into the material serves to break loose the material particles from the walls of the vessel and each other. Many fl ow problems are a result of adhesion (material adhering to ves-sel walls) and cohesion (particles packing together, clinging to one another and forming lumps, clumps and a solid mass that is diffi cult to fl ow).

Vibration energy, enough of it, can dislodge

many clogs of this type and thereby promote material fl ow. Sizing and selecting the correct industrial vibrator is important (Ruggio, 2003).

Aeration: The third method, aeration, like vibration, also does not deliver a true solution. Aeration uses air pressure to separate bulk-solid particles from each other and from vessel walls. As we said before, adhesion and cohesion are the culprits in fl ow problems. The air injected into the material at the location of the fl ow problems serves to lift and separate material particles from each other and the vessel walls, thereby promoting fl ow. Where vibration may typically, but not always, use a single industrial vibrator to resolve the fl ow problem, use of bin aerators almost always requires a number of aerators throughout the problematic vessel sec-tion. An example of the common use of aera-tors to resolve material fl ow problems would be

silo cone sections of silos that contain cement powder or fl y ash within a concrete batching plant.”

Solving any material fl ow problems in the ves-sel fi rst, before applying any level measurement and detection device, will produce more reli-able, accurate and complete level control and material contents measurement.

Joe Lewis is managing director of BlueLevel Technologies, 1741 Industrial Drive Unit# 5, Sterling, IL 61081; 888-61LEVEL (53835), 815-625-2224 ([email protected]). If you have any questions you can reach him by email or phone.

16 Level Measurement

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There are at least three ways to solve the kind of fl ow problems that culmi-nate in a “rat hole” or “bridge.”

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18 Level MeasurementRF Admittance Level Probe for High Process TemperaturesBlueLevel Technologies’ Model AP/APX RF admittance point level sensor is now available in cost-effective designs specifi cally for use where internal vessel temperatures can reach up to 842 F (450 C). The Model AP/APX RF detects the presence and absence of liquid, slurries and bulk solids in a wide variety of applications. All probe versions include integral electronics with a universal 20-255VAC/VDC power supply, DPDT relay output that is fail-safe on power failure, a remote function test input.BlueLevel Technologieswww.blueleveltechnologies.com

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Radar Level Meter for Liquid Applications

KROHNE, Inc. introduces the OPTIWAVE 5200 C/F, a new 10

GHz FMCW radar level meter for liquid applications in up to

a 30 meter measur-ing range. The cost effective 2-wire loop powered

device measures level and volume

in storage or process tanks with process conditions up to 250 C (482 F) and pressures up to 40 bar (580 psi) for general purpose

or hazardous locations (Class 1/Div 1). The OPTIWAVE 5200 C/F has been designed and developed for use in SIL 2 safety-related sys-tems according to IEC 61508. The modular design of the housing with its unique bayo-net locking system and antenna extensions ensures suitability for a variety of mounting positions and applications. To make the dis-play screen easy to read, the quick coupling system permits 360-degree housing rotation.KROHNE, Inc.us.krohne.com

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Ultrasonic Level Transmitter and ControllerOmega’s new LVCN210 series of ultrasonic level transmitter and controller provides con-tinuous level measurement up to 3 meters with a 4 to 20 mA signal output. It is confi gured via free, fast and easy software download. This CE compliant product features four pro-grammable relays, PVDF transducer, a 6P polycarbon-ate enclosure and automatic temperature compensation for accurate measurement. This non-contact liquid level sensor is suited for corrosive, sticky or dirty liquids and is widely selected for day tank, skid, IBC, sump and process tank level applications.Omega Engineering, Inc.www.omega.com

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If you need a pump to handle corrosives, aggressive or ultrapure fluids, long wait times are generally not an option.That’s why Vanton is committed to delivering the pump youneed, where and when you need it. Given the extended delivery times often imposed by other manufacturers, this Vanton AdVantage becomes very clear. And, our commit-mentto quick delivery is further reflected in our investment in inventory, with over 2,000 different, locally sourced, injectionmolded components and spare parts on hand at all times.

All of our pumps are engineered products, and with over200,000 units in the field serving a wide range of demanding

applications, we manufacture every one to the optimalspecification for its designated function. At Vanton, it’snever about shipping a pump from stock. Our combina-tion of engineering, reliability, and availability, coupledwith the logistical know-how to get you what you needfast, makes for a truly exceptional pump buying experi-ence. And, no one does what we do with thermoplastics.

Give us a call at 908.688.4216, email us [email protected] or use the QR code below, to access ourweb site and put us to the test. We guarantee you’ll speakwith a pump-savvy staffer capable of solving whateverpump issues you throw at them. And, we’ll work hard toget you the pump you need in less time than you thoughtpossible. It’s just one more Vanton AdVantage.

vanton.com

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20 Level MeasurementSludge Bed Level TransmitterHawk’s Sultan Sonar sludge bed level transmitter is ideal for providing reliable measurement of the compact bed level in clarifi ers. It not only automates bed level measurement, but also provides indication and control of an upset condition before the bed level fl ows over the clarifi er. The transmitter utilizes Hawk’s acoustic sonar. A transducer that is slightly sub-merged in the liquid transmits acoustic waves through the dense settling hindered layer and can detect either the height of the sludge bed or the fl occulent interface level.Hawk Measurementwww.hawkmeasure.com

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Level Measurement for Solid/Water Interface Applications

The SiloPatrol® plumb bob “smart” level sensor from Monitor Technologies can be equipped with an optional stainless steel interface style plumb bob in order to provide level mea-surement for settled solids in a blanket of water. The interface style plumb bob will penetrate through the

water, make contact with the surface of the solid material and then retract to provide a level measurement. The SiloPatrol® uses time-proven weight and cable techniques and combines Hall Effect sensor technology, sealed bi-directional optical sensing, a split-compartment enclosure design, isolated outputs, SMT (surface mount electronic technology) and other valuable features to produce a rugged, reliable and accurate measuring system.Monitor Technologieswww.monitortech.com

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Bendable Capacitance ProbeBinMaster Level Controls has developed a bendable capaci-tance probe designed to fi t in tight spaces or in vessels where obstructions prevent the installation of a straight probe. This probe can be bent to avoid obstructions in a vessel while still allowing adequate probe surface area to confi rm the presence or absence of material. Mounted on the side of the bin, the bendable probe can be used in a wide range of solid materi-als or slurries. One common application for the bendable probe is for high and low level detection in smaller mixers or containers used in food processing plants.BinMaster Level Controlswww.binmaster.com

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For pneumatic conveying and air filtration inquiries contact:Mac Process7901 NW 107th TerraceKansas City, MO [email protected]

For weighing and feeding inquiries contact:Schenck AccuRate746 E. Milwaukee StreetWhitewater, WI 53190800-558-0184 [email protected]

Together, we bring you unmatched systems for

pneumatic conveying, filtration, weighing and feeding

Mac Process and Schenck AccuRate are now one

Industry leaders Mac Process and Schenck AccuRate have combined forces as one to

deliver premier systems for your dry material handling process needs. From sanitary

through heavy industrial applications, our custom solutions are engineered and work

together to solve your most difficult challenges, efficiently and economically.

As a Schenck Process family company, we’ve integrated our sales, material testing

centers, and over 100 engineers to deliver advanced products, designed and manu-

factured for 100% compatibility and accurate process control. Rely on the continuous

high performance, reliability and smooth operation of your system, backed by global

support. Our deep application knowledge has resulted in thousands of installations

for multiple industries worldwide. Contact us with your dry material handling needs.

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Software, hardware, or custom design—Rice Lake still knows that excellence is best served à la carte. No matter how large or small, weighing and process control should always be made to order. Special applications? Our specialty. How may we help you?

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It’s not surprising news that an improving economy gen-erally benefi ts most industrial sectors. However, several interesting fi ndings were discovered in a survey we recently sent more than 200 manufacturing companies that will be exhibiting at the 2013 CHEM SHOW in New York City this December.

The survey forecasts CPI economic conditions through 2014, and there were some encouraging results. An optimistic 67% of respondents said they expect economic conditions for the CPI to improve.

What I found particularly promising is that more than two-thirds of the respondents (71%) said the improving economy will drive increased atten-dance at the CHEM SHOW and 64% said they will be unveiling new equip-ment at the Javits Convention Center this December. This indicates to me that more companies are developing new product and equipment solu-tions to display to the thousands of CPI professionals who will be coming to the Show.

Further reinforcing this optimistic outlook is that nearly three-fourths (73%) of the survey respondents said they expect sales increases through 2014 with only 14% indicating they expect sales to remain the same.

These fi ndings are consistent with a survey we did in conjunction with this publication back in April that found production and capital spending will increase this year, and the next. Respondents to this earlier survey revealed that in the areas they work at in their companies, 88% said production will either increase (55%) or stay about the same (33%) over the next 12 months. Further, 72% of respondents predicted capital expenditures in 2014 will either increase (47%) or be about the same (25%) compared to 2013.

So with two months remaining before the 98th biennial CHEM SHOW, it appears that indicators are pointing to an event that will be ready to meet the growing need for products and services in the CPI. This year we are expecting more than 5,000 attendees who will come looking for innovative solutions to their specifi c processing challenges.

However, these solutions won’t be confi ned to the exhibit fl oor. In addition to the hundreds of new products on display on the exhibition fl oor, the American Institute of Chemical Engineers (AIChE) will host the Northeast Manufacturing Conference at the CHEM SHOW.

The conference program will address core concerns such as process safety, environmental issues and energy conservation. In addition, there will be a day of tutorials that will give attendees in-depth knowledge of specifi c process applications.

If you are a CPI professional involved in processing chemicals, plastics, pharmaceuticals, foods or any other processed products, you don’t want to miss the number one Chemical Processing Industries event in North America. For more information on exhibiting or attending the CHEM SHOW, call 203.221.9232 or email: [email protected].

22 Chem Show 2013

Clay Stevens, President, International Exposition Co.

Rising economic tide ‘fl oats’ product solutions at 2013 CHEM SHOW

www.greyline.com

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Non-Contacting Flowmeter

Measure Flow fromOutside a Pipe

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DFM 5.0 DopplerFlow Meter



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It’s often the case that if you are manufacturing something, whether food, beverages, chemicals, pharmaceuticals or anything process-based, you are collecting and managing large amounts of data. As ingredients are mixed and blended, sensors placed on the various pieces of equip-ment provide a constant stream of measurements, and record and trans-mit fl ow rates, temperatures, pressures and other parameters.

Sure, it’s great that your control system is able to send out data in mil-lisecond intervals between measurements, but what happens when it comes to analyzing these data, especially when they come from disparate machines or systems? Herein lies the problem: Many process engineers are looking at each individual tree, rather than the forest as a whole.

Consider a food manufacturer mixing materials in large vessels. Operators are taking samples from these vessels — in real time — to proactively monitor and respond to irregularities. If a problem occurs, an alarm sounds and the operator quickly remedies the situation. Processing continues. But, what good are these real-time alerts, if they don’t go beyond the shop fl oor, or the data’s “fi rst life?”

What to collectBefore gathering data into a centralized repository or hub to uncover

manufacturing intelligence, you must fi rst understand which data should be collected. This is best determined by seeking input from staff mem-bers at each level of your organization. What type of data would be most useful to each of them?

Most likely, C-level executives will be interested in more advanced data summaries that can help lead to overall cost savings. Percentages and predictions, such as in scrap reduction, are highly valued. For quality pro-fessionals and plant managers, defect rates and overall equipment effec-tiveness (OEE) metrics are key. Plant operators are more focused on real-time alerts for out-of-spec events and other product-specifi c information.

By taking into consideration the needs of your data’s audience when imple-menting process control, you can produce ROI, a major factor in more readily affi rming the value of your quality programs to upper management.

Just because something can be measured doesn’t mean it should be measured. So, what makes a good metric? First, a good metric must be objective, measurable and bi-directional, or able to serve customers both upstream and downstream. With readily available, bi-directional data, downstream operations can compensate for upstream anomalies, and upstream operations can be more responsive to downstream issues.

A metric must also be customer-specifi c, to easily help its respective audi-ence — whether a CIO or plant operator — make better business decisions

Use manufacturing intelligence to find value in process-control dataIt’s better when you can see the forest, trees of greatest interestand relevant woodland conditionsBy Steve Wise

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using either real-time or historical information. Focus irst on collecting data that drive tier-1 deci-sions, such as proitability and customer satisfac-tion, and then tier-2 data, such as inventory turns and warranty costs. The top-tier goals will natu-rally drive and link to those of the lower level.

When to collectThe rapid collection of vast amounts of data is

an innate tendency within the process industry, and there is a ine line between the necessity in collecting data in real time, and collecting data too fast. From a statistical perspective, there must be enough time in between data points for a variation to occur; otherwise, control charts aren’t meaningful.

The secret to inding a middle ground is relying on rational subgrouping. Rather than collecting data every minute, get a snapshot of your processes every hour, for example. Try taking samples in different, yet reasonable, time intervals and see what you can uncover. In the processing industry, you cannot see the full pic-ture of your operations without backing away and looking at it from different levels.

After collecting meaningful data — in ratio-

nal intervals — and assimilating them into your hub, you can take the next step in revealing the forest. A manufacturing intelligence hub allows you to take that data, and slice and dice them in millions of ways for easy analysis and report-ing, giving them a second life. A robust hub that is powered by statistical process control

(SPC) allows you to do so. Utilizing data analy-sis tools — such as root cause analysis, Pareto charts and box and whisker charts — offers the opportunity to ind the true meaning and value in the data collected, while presenting it in the best format for each audience.

Putting key players into placeIn emarking on your quest for Manufacturing

Intelligence, it is imperative to invest the time and resources, namely the right people and technology, needed for optimal results. A good quality team will include a champion from within the upper echelon of the company and skilled hands-on team members. The champion pro-vides an authoritative voice to reinforce the total value and beneits of a new quality system.

Remember that quality initiatives don’t come full circle overnight. Therefore, initially, keep

the scope of your implementation manageable. Hone in on an area that will produce quick and signiicant results before expanding to other areas. Soon enough, you will ind your organiza-tion identifying new ways to improve product quality, maintain compliance, boost proitability and enhance customer satisfaction.

Steve Wise is vice president of statistical methods at IninityQS International, the global authority on manufacturing i ntelligence and enterprise quality. A Six Sigma Black Belt, Wise focuses on ensuring proper use of statistical techniques within IninityQS’ software offerings and the application of these techniques for the customer base.

IninityQS provides quality management soft-ware and services to manufacturers worldwide. Its mission is to help manufacturers of all sizes monitor and control product quality from a single facility to an entire enterprise and supply chain.

IninityQSwww.ininityqs.comWrite In 519

26 Quality Metrics

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Any leakage from a valve in service is a major concern. It is even more critical when the process being controlled involves hazardous materials.

Ball valves typically leak from the stem following prolonged usage. Maintenance engineers normally stop a stem seal leak by tightening the packing nut 1/6th of a turn (usually one fl at of a nut). This places additional force on the packing, allow-

ing further expansion against the stem and containing the leak.However, at some point no additional tightening will seal the leak.

Once this happens the valve has to be repaired or replaced, often requiring a shut-down.

Flo-Tite, with its media containment device, has a cost-effective and environmentally safe solution. The media containment unit is basically a duplicate valve-stem seal system, which can be added to the valve when purchased or kept in stock for when a stem leak is detected.

Device installation for a valve in service is simple. For a manual valve the handle is removed, the device is installed on the valve top and the handle replaced. With an automated valve, the automation package is removed and replaced on top of the device bonnet.

A drilled or tapped purge port on the side of the device is a standard

option, used for monitoring gauges, measuring instruments or as simple “sniffer device.” Plants can avoid emergency shutdowns, eliminate leaking valve replacement and take prudent steps to reduce employee risk and facility damage. This safe solution to a known problem means maintenance can be scheduled and a managed course of action pursued, without fac-ing emergency situations that might include plant shut downs or personnel evacuation.

The media containment unit can also act as a positive purge, using some material or, for example, nitrogen to attain a pressure that exceeds the internal line pressure, and inhibiting valve leakage due to the positive purge. Also, by adding a “button-type” check fi tting, emergency sealing materials can be injected for additional sealing.

The media containment unit is a cost-effective and much-needed solution for potentially dangerous environmental and plant personnel safety situa-tions. As environmental regulations are put in place for hazardous media leakage, Flo-Tite’s media containment device offers a simple and safe solu-tion.

Robert M. Donnelly is vice-president of marketing with Flo-Tite Valves & Controls.

A n n u a l F a c t o r y C a l i b r a t i o n

Say goodbye to annual factory calibrationsAt Fox, we know your time is valuable and annual calibrations of instruments

is downtime that you can’t afford. Calibration Validation, with the CAL-V™

and Zero CAL-CHECK™ tests, is the innovative solution to your needs.

It can be used to streamline your quality assurance, improve process

initiatives, and apply scheduled maintenance procedures. It is of particular

value in environmental monitoring applications where periodic calibration

validation is mandated. Find out more about this unique technology by

scanning the QR code below or visit our website.

Advanced features of the FT3 Thermal Gas Mass

Flow Meter & Temperature Transmitter include:

• CAL-V™ Calibration Validation

• Zero CAL-CHECK™ Calibration Validation

• FM/FMc, ATEX, IECEx, and CE Approved

• Optional HART or RS485 Modbus communication

protocols

• Free FT3 View™ Software Tool

Direct mass flow measurement, exceptional low-flow sensitivity, fast response,

and low maintenance requirements distinguish the Fox Model FT3. Insertion

and Inline types as well as local and remote configurations are available.

Email us at [email protected] or call us at

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your energy costs and raise your process efficiency.

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28 Valves & ActuatorsMedia containment: Still a major concern

APPLICATIONS Water and Wastewater Treatment Facilities, Pump Stations, Sewer

Bypass, Scum Concentrator, Primary Clariication, FOG Stations, Flotation Systems, Feed of Thickening and Dewatering Devices, Digester Recirculation, Sludge Transfer / Load Out, Membrane Bioreactor, Polymer Systems, etc.

MEDIA Sludge (Primary, WAS, RAS, Digested, Thickened, etc.), Biosolids, Grease, Sewage, Scum, Lime Slurry, Alum Sludge, Permeate, Polymers, etc.

MIP = MAINTENANCE IN PLACE All luid wetted parts are replaceable on site through the front cover.

Macerating Technology

To learn more, contact [email protected], visit www.boerger.com or call 612.435.7300

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APPLICATIONS Water and Wastewater Treatment Facilities, Pump Stations, Sewer

Bypass, Scum Concentrator, Primary Clariication, FOG Stations, Flotation Systems, Feed of Thickening and Dewatering Devices, Digester Recirculation, Sludge Transfer / Load Out, Membrane Bioreactor, Polymer Systems, etc.

MEDIA Sludge (Primary, WAS, RAS, Digested, Thickened, etc.), Biosolids, Grease, Sewage, Scum, Lime Slurry, Alum Sludge, Permeate, Polymers, etc.

MIP = MAINTENANCE IN PLACE All luid wetted parts are replaceable on site through the front cover.

Macerating Technology

To learn more, contact [email protected], visit www.boerger.com or call 612.435.7300

PROCESS EXPONovember 3-6, 2013

in Chicago, Illinois

Booth #5161

Visit us!

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Your Partner for Grinding

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Run-Clean™ rotary valves rom ACS Valves

integrate proprietary design features that

reduce the material buildup typically let in

the valve ater operation; cutting cleaning

times, and speeding return to service.

Run-Clean™ Rotary Valves

800-655-3447 | acsvalves.com

Sloped Planes & Rounded Edges Ensure

Material Flow, Eliminate Dead ZonesCast with sloped internal planes to promote material flow

and rounded edges to prevent dead zones, ACS Valves

Run-Clean rotary valves reduce internal material buildup.

Glandless, Sleeve-style Shat Seal

Protects Material, Prevents WearThe ACST-4™, glandless, sleeve-style shaft seal uses

a solid Teflon®, triple-barrier design that prevents

bearing leaks and protects interior surfaces.

Stainless Steel Housings, Cast In

North America, Improve CleanabilityACS Valves housings are cast in North America ensuring

superior strength of composition and solidification;

housings are CNC-machined to precise tolerances with

internal surfaces polished to a No. 4 finish.

Factory-applied Internal Coatings Aid

Compliance, Improve Material FlowProtective coatings, such as tungsten, are applied by

ACS Valves to housing internal surfaces to prevent

imperfections caused by material wear; reducing

contaminant buildup, and improving material flow.

View Demo Video At: acsvalves.com/videos

The ACS RotorRail™ feature enables tool-less access to the rotor

and all internal surfaces of the housing to speed cleaning, visual

validation and inspection.

It Runs Clean. So It Cleans Fast.



From the abrasive bitumen found in the Canadian oil sands, to the

acidic and fl ammable solutions common in chemical plants, to the scaling-prone mixtures sitting in agricultural processing facilities, valves are used to start, stop and control a wider range of slurry compositions.

Slurry valves have a critical role in optimizing the operating time of the processes in which they are employed. Select the right slurry valve for the application, and plants are able to experience extended uptimes and increased production.

On the fl ip side, selecting the wrong slurry valve for the application can mean reduced production and increased maintenance. Not all slurry valves are created equal, and valve selection can make or break produc-tion goals for companies that use slurries in their processes.

Let’s take a quick look at some valve applications from the last 20 years. And, by the way, the last 20 years constitutes 20 years of valve innovation.

Mining & hydrocarbon engineeringMining and hydrocarbon engineering require unique and well-differen-

tiated valves — ones that can withstand intense abrasion and extreme pressures.

Take, for example, valves used in bitumen extraction in the Canadian oil sands. Hydro-transport slurries carrying bitumen ore from the mining pits to extraction plants include large, jagged stones as well as coarse sand and clay. Bitumen itself has a density similar to cold molasses, so it requires heat and high pressures to transport it long distances to extrac-tion plants.

The valves most commonly used are heavy-duty knife gate valves, fi t-ted with sharp blades to cut through sticky bitumen. They often include scrapers engineered to remove bitumen from gates as part of opening and closing. The valve gates are of hardened materials such as 17-4PH stainless steel and also frequently feature abrasion-resistant coatings like tungsten carbide to extend their uptime.

At ITT Engineered Valves, the Fabri-Valve HD line of heavy-duty knife-gate valves can withstand abrasive, high-pressure oil sands slurries.

In concentrator plants, where precious metals like copper, lead, zinc and molybdenum are mined in the form of raw ore and then concentrated, actuating the fl ow is important — especially in the later stages of refi ning.

For this, push-through valves fi tted with special abrasion and impact-resistant sleeves are often used. These synthetic sleeves are comprised of elastomers — most commonly, natural rubber. Alternate sleeve materi-als for use in specialized applications in the concentrator plants, such as froth fl otation, are constructed of materials that won’t break down during prolonged exposure to the hydrocarbon enriched slurries running through them. Highly concentrated slurries also require non-discharging valves so precious product is not discharged to the ground or localized drains.

ITT Engineered Valves’ Fabri-Valve 33 PTA and 33 PTD slurry valves have a push-through design where opposing elastomeric sleeves are com-pressed against each, using axial forces from attached pipe fl anges.

Select the right slurry valve for the jobA quick look at valve diversity in some industries that have really ‘gnarly’ processesBy Chris Swarr

Diammonium phosphate production includes processes that are scaling-prone in the extreme. Valves are used for pump isolation in phosphate slurry service.

Our StoryYear 2013 marks the 60th anniversary of Midwestern

Industries Inc., a US manufacturing company

headquartered in Massillon, Ohio conducting business worldwide. Our rich history

of providing excellence within the screening industry has allowed our company

to continue being a source of screening products, screening knowledge, and

unprecedented service to our customers.

Midwestern’s founder, the late L.J. “Vern” Riesbeck, entered the

screening industry by pioneering electronic, screen heating

transformers designed to eliminate the plugging of wire cloth

screens within the aggregates industry. The company’s

successful product gave way to offering a full line of screening

equipment, replacement screens and parts. Through glowing

recommendations from satisied customers and a willingness to manufacture quality-screening products, Mr. Riesbeck grew

Midwestern into an international screening company.

Upon his passing in June 1995, a corporate succession plan allowed

Midwestern to continue as 100 percent employee owned. Long-term

employees remember a compassionate man that cared about his customers,

employees, and local community. Midwestern recognizes

this commitment by adopting our slogan – “Proud of Our

People, Proud of Our Products”.

Midwestern’s employees continue his legacy by striving for excellence in customer

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to the major corporation it is today. Our focus continues to be on building lasting

relationships with our customers and servicing all their screening needs.

Building a solid foundation was Midwestern’s intent to secure an exciting

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As Midwestern embarks on our exciting milestone, a full year of

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the 60 years servicing the screening industry. Midwestern is

committed to showing appreciation to both our employees and

customers. Without the trust of our customers and dedication from our

employees this achievement would not be possible.Write In 238

32


Agricultural fertilizer processingValves for agricultural fertilizer production

must withstand everything from scale build-up to hot-acid lushing.

Diammonium phosphate, an essential ingredi-ent for plant growth, comes from the phosphate found in marine fossils. Diammonium phosphate production includes some of the most scaling-prone slurries in modern processing.

As scale is continuously deposited on pipe walls and valves, slurry low is constricted. Every few weeks, the pipes and valves are back-lushed with hot acid to reclaim as much of the full diameter of pipe cross-surface as possible. Valves for these applications often have to be inspected after only a few weeks of opera-tion and, if necessary, be cleaned or repaired. Bonded slide gate valves are used to break through heavy scaling and maintain positive shutoff and are constructed of materials that can stand up to the hot acid.

The Fabri-Valve F133 is a bi-directional soft-seated, slide-gate valve for on/off service in heavy and scaling slurries. The seats are able to self-gasket and are compatible with raised or lat-faced, lined or unlined langes. A contain-

ment bonnet attached to the bottom lange captures any discharge during cycling.

Chemical engineeringThe world of chemical engineering, with appli-

cations ranging from food and pharmaceutical processing to the treatment and transport of hazardous materials, implies a broad range of unique valve requirements.

For example, one unique slurry-transport application involves a superine powder called titanium dioxide, which is bright white and often used in paint and other home products such as vinyl siding. It is incredibly abrasive, due to its jagged particulate state, which is crystalline and cubic, tetragonal or orthorhombic in shape. Imagine solid crystals that are very hard, lowing suspended in high-density slurry. These slurries are essentially liquid sand paper.

Components of titanium dioxide transport systems made of ordinary metals often require frequent replacement. Non-customized valves might be changed weekly or multiple times per week when a plant is operating at full produc-tion. That’s why replaceable hard-faced seats and Inconel gates are often recommended for

32 Valves & Actuators

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Valve is used for isolation of hydrocyclones that classify or separate particles present in nickel slurry.

Round Separator

Patented In 1942.

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isolation when it comes to these slurries. This can extend uptimes and triple or quadruple the amount of time between replacements.

The Fabri-Valve F134 bonneted knife-gate valve is for use in diffi cult services to provide high-cycle stem sealing and superior stem seal containment.

In pulp and paper processing, recycling is one of the most diffi cult valve applications. It is the fi rst step in the production of secondary fi ber for

papermaking. Producing clean fi ber means the proper removal of contaminants like staples, wire and other trash. Valves that perform for years in other applications may last only a few weeks due to the erosion created in the cleaning process.

To meet these uncompromising tasks, easily replaceable seats, hardened alloy gate materi-als and fl ush ports to withstand the rigors in the recycling and reject portions of paper processing are necessary.

The Fabri-Valve C42 reject valve, which utilizes Stellite overlays in the face and bore, is com-monly recommended or customized for these applications.

Power plant systemsThe power industry, with its high heats and

unique ash, as well as its limestone and gypsum slurries, requires valves that aren’t often found elsewhere. Hot ash and fl uids rich in chlorides

pose unique problems for plant engineers. At coal-burning power plants, ash must

be removed from exhaust gases before those gases can be treated and released to atmosphere. Several methods exist to capture and transport both dense bot-tom ash and powdery fl y ash, both heavily abrasive by nature.

Valves used to control ash fl ow, whether conveyed as slurry or by pneumatic con-veyance, often require hardened gate materials including ceramic overlays. Valves used in ash applications frequently need specifi c built-in features, such as chest liners to inhibit ash buildup in the chest area of the valve. Additionally, these valves often feature seal materials like Afl as, which withstand temperatures up to 400 F.

Looking around at various growth indus-tries like power, agricultural engineering and mining, it’s clear that, as processes and systems improve, more specialized slurry valves are playing critical roles in these systems. ITT Engineered Valves has been developing specialty valves for dif-fi cult applications like these for over 60 years.

Chris Swarr is global product manager at ITT Engineered Valves.

ITT Engineered Valves is focused on extending uptimes and aiding bottom line growth for our partners by delivering highly customized valves to meet the most rigorous and unique needs in the mar-ketplace. We specialize in building better valves when the ones currently deployed simply aren’t getting the job done. If you have a special valve need, ITT Engineered Valves would love to help you tackle it.

ITT Engineered Valveswww.engvalves.comWrite In 520


Call the Experts for all your solids processing.

Applications:

APIs

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Vacuum Drying Rota-Cone and V-Dryers

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Size Reduction Ball & Ceramic Lined Mills

Milling Jars & Jar Rolling Mills

Manufacturing Quality Process Systems Since 1911

www.pauloabbe.com ∙ 800-524-2188 ∙ [email protected]

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Bulk Bag Discharging

Visit: nbe-inc.com • Call: 616.399.2220 • Email: [email protected]

DIS

CHAR

GE

M

OVE

M

IX

STO

RE

FILLW

EIGH

Bulk Material Conveying

Bulk Material Mixing & Blending

Bulk Material Storage

Bulk Bag Filling

Bulk Material Weighing

System Profile:

• A fully automated material handling system for the

conveying and sorting of highly fragile food product.

• 12,000 lbs./hr. of material are vertically conveyed in

totes, tilt unloaded, and laser sorted through 2 stages.

• Sorted product is conveyed into storage totes; totes

are weighed to NTEP-certified weights of +/- .01%.

System Profile:

• An integrated bulk mixing operation to blend multiple,

sluggish materials for downstream supply.

• Process stages include: gaylord dumping, vacuum

transfer to mixer, high-volume mix, process supply.

• Stringent process recipe parameters require reliable,

accurate supply of thorough, homogenous blend.

System Profile:

• A self-contained material transfer station for the

re-packaging of material for inventory or processing.

• Free-flowing material is re-packaged from bulk bag

to tote, or tote to tote, depending on process need.

• Custom discharge/fill assembly speeds container

mating, eliminates material contamination and dusting.

System Profile:

• A complete bulk bag filling process; fills (12), 2,000

lb. bags/hr.; bulk material is irregular and cohesive.

• Process stages include: pallet feed, bulk bag filling,

material metering, weighing, and outfeed conveying.

• Operator interaction; optimal physical ergonomics,

are essential to ensure total process optimization.

System Profile:

• A self-contained, automated reclamation system for

transfer, metering, and converting of metal flake.

• Multiple, highly abrasive, non free-flowing, metal

flake materials enter system from separate hoppers.

• Material supply to briquetter occurs through three

infeed lines; feed rates are controlled by weight.

Performance-proven Construction:

• 4-1/2” bore hydraulic mast cylinder and load-rated

lifting mechanism lift tote to 23-foot unload height.

• 2-stage, high-speed image sorting ensures material

maintains original characteristics during processing.

• Reverse-tilt filling uses optical sensors to ensure

material load drop distance does not exceed 5 inches.


• 2,500 lb.-capacity dumper with dust-tight, custom

hood; dual hydraulic lifts for high-speed duty cycles.

• Material transfer hopper, with integrated pull-style

agitator, pre-conditions material prior to mixer feed.

• 10,000 lb./hr. blend rate mixer; custom broad-throw

paddles and auger infeed scoops reduce cycle times.


• 4,000 lb.-rated framework capacity; 304-2b stainless

steel, continuous-weld material contact surfaces.

• Air-actuated discharge/fill assembly automatically

aligns tote flanges/inlets; speeds material transfer.

• Integrated weigh system signals control valve to meter

material flow; fill weight accuracy to +/- 1.0 lbs.


• Pneumatic actions bring illhead and rear bag hooks well into operator reach for ideal operator posture.

• 8 GPM hydraulic fillhead lift; safe and fast fill cycles

exceed speed and weight capacity of ball screw style.

• 20-pallet magazine extends operating time between

reload; reduces operator interaction, labor allocation.


• Large-capacity, V-shaped hopper with integrated,

9-inch, variable frequency drive, live bottom discharge.

• 40º incline, 29-foot run, boxed-cleat conveyor; 3 HP,

TEFC gearmotor and VFD drive; 60 FPM drive speed.

• Material-specific loss-in-weight feeders, with variable

frequency drives, ensure accurate downstream feed.

Integrated Automation:

• Process controls and automation, designed and built

by NBE, are integrated to central controls architecture.

• Optical sensors limit material drop distance to less

than 5 inches per 150º rotation during tote unloading.

• NTEP-certified weigh system, integrated to controller,

assures filled tote weight is accurate to +/- .01%.


• NBE integrated automation controls supply container

dumping, mix auger sequencing, and level sensing.

• UL listed control panel and HMI, designed and built

by NBE, centralize process operations and reporting.

• Rigorous NBE risk assessment procedures worked to

prevent hazards and improve physical ergonomics.


• A single, menu-driven HMI, designed and built by NBE,

simplified operation, reduced labor allocation.

• NBE integrated automation optimized bulk storage stage

from commodity to process-critical operation.

• Sensor-actuated valve controls, with bulk and dribble flow

settings; ensured fast and accurate tote filling.


• NTEP-certified, automated bulk bag filling with weigh

accuracy to +/- .01%; operator-monitored from HMI.

• Bag densification cycle intensity and frequency are

operator-controlled from the central system HMI.

• High-speed, system-wide process communications and

monitoring from UL listed panel, built by NBE.


• Process automation and controls, designed and built

by NBE, integrate with existing system architecture.

• NBE expertise identified, applied, and met applicable

equipment codes, standards, and regulations.

• Automated weighing provides assurance that metered

weights are accurate; improves reliability.

System Profile:

• An integrated process solution for dust-free handling of severely agglomerated, caustic, dry powder.

• Processing requires bulk bag unloading, material

conditioning, and transport to downstream mixer.

• Closed-cycle design, from bag unloading to mixer

discharge, eliminates dusting and protects operator.


• 6”x4”x5/8” tubing exceeds ASME B30.11-2004 for bag

weights to 4,000 lbs.; heavy gauge sheet and plate.

• Integrated bag conditioning uses hydraulic paddles

and rams for up to 28,000 lbs. of bag impact force.

• 304-2b stainless steel conveyor with food-grade,

flex-trough bottom; 18,000 lbs./hr. transfer rate.


• All process controls, sensing, monitoring, and reporting integrate to a UL listed panel, designed and built by NBE.

• NBE automation engineering integrated legacy upstream and downstream equipment to the central NBE HMI.

• Rigorous NBE risk assessment procedures reduce operator hazards; improve physical ergonomics.

nbe-inc.com/automate

Watch this equipment in action: nbe-inc.com/storage

Watch this equipment in action: nbe-inc.com/fillers

Watch this equipment in action: nbe-inc.com/weighing

Watch this equipment in action: nbe-inc.com/dischargers

Watch this equipment in action: nbe-inc.com/convey

Watch this equipment in action: nbe-inc.com/mixing

Watch all 19 NBE equipment profiles in action at: nbe-inc.com/automate

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Emergency Gas ShutoffHalogen’s Terminator emergency shutoff system sequentially closes 150 lb. cylinder valves containing toxic gas in less than three seconds when activated from remote sensors and switches. The operator would then be required to correct the condition, check the facility and

manually reset the valve before restarting the gas system. The Gemini controller has a self-contained battery system that guarantees the operation of the motorized closing mechanism even during a power failure. This dual-torque microprocessor controlled system applies 40 foot-pounds of torque for emer-gency closures of the cylinder valve.

Halogen Valve Systems, Inc.www.halogenvalve.com

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Superior check valves should ...

Save space

Arrive on time

Withstand rigorous conditions

Check-All the above

A superior check valve does all the right things. Check-All spring

loaded check valves are assembled to your exact needs, ensuring

absolute precision and reliability. They work like they should.

That’s what makes Check-All the only choice. Plus, most lead times

are less than one week. All the better.

Manufactured in West Des Moines, Iowa, USA •515-224-2301 •www.checkall.comGet me a Check-All.

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In-line Pneumatic Slide Gate ValveMucon’s latest slide gate valve, the SD-P model, is fi t-ted with durable self-compensating polymer seals with a unique loading system. Available in a range of sizes and materials of construc-tion, this pneumatically operated slide gate valve provides full bore, unobstructed opening. The SD-P slide gate valve is ideal for use with powders, granules and pellets.

Kemutecwww.KemutecUSA.com

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Kynar® Pressure Regulator for Ultra-Pure LiquidsThe Series PRH-U pressure-reducing valve from Plast-O-Matic Valves, Inc. uses thermoplastic materials selected spe-cifi cally for semiconductor, pharmaceutical and other industries requiring ultra-high purity. The valve is constructed of a machined Kynar® 740 PVDF body and metal-ion-free EPDM seals to provide the highest possible purity in a fused piping system. In addition to the ultra-pure materials, the company uses a three-step cleaning process. This includes a proprietary pre-assembly clean room treatment, a post-assembly hot and cold eight-hour rinse with deion-ized water and a fi nal class 100 clean and double-bag procedure.Plast-O-Matic Valves, Inc.www.plastomatic.com

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A NEW TWIST IN

BUTTERFLY VALVE

TECHNOLOGY

Your Input Made Into RealityWe’re introducing a whole new world in thermoplastic butterfly valve technology. Based on extensive customer feedback we received from industry leading professionals like yourself, our revolutionary BYV Series butterfly valve has patent pending features the competition can’t match.

For more information on the BYV Series butterfly valves or to arrange a product demonstration, call Hayward Flow Control at 1-800-429-4635 or visit us online at haywardflowcontrol.com.

Hydrodynamic disc for increased flow performance

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Diverter ValveThe Vortex Gravity Vee Diverter is designed to divert dry bulk solids in a gravity fl ow conveying system. The design allows for material fl ow through both outlets simultaneously, one outlet at a time or a complete shut-off of fl ow. The Gravity Vee Diverter is also capable of metering fl ow through either outlet port. The dual actuators can be used to divert or stream material. They can also shut off material fl ow in either or both directions.

Vortex Valveswww.vortexvalves.com

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Value Switch PackageITT Corp.’s Engineered Valves brand has introduced the Pure-Flo® VSP+, adding new features to the cost-effective and proven

Value Switch Package (VSP) product offering. The VSP+ incorporates a mechanical self-setting feature, which reduces calibration time. Once the switch is installed on the process valve, the operator simply strokes the actuator to set the switch. This feature will save countless hours of calibration time dur-ing diaphragm change-outs and valve commissioning, ITT says. ITT Corp./Engineered Valveswww.engvalves.com

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Solution to Copper Tracing Blockage IssuesWinner of Processing’s

Breakthrough Product of the Year 2012, the P21S ver. C is specifi cally designed to alleviate blockages caused by dis-solved copper precipitate. A part of TLV’s PowerDyne® family, the P21S ver. C steam trap features an all stainless steel con-struction with hardened work surfac-es, air-jacket cap, integral Y-strainer and optional blowdown valve. The multi-function P21S ver. C minimizes installation and operating costs, increases safety and reliability and provides a long service life.

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High-pressure Solenoid Valves for CNG Dispensing ApplicationsASCO Numatics has introduced in North America the ASCO 291 Series of high-pressure solenoid valves for com-pressed natural gas (CNG) dispensing applications. The Series 291 valve is specifi cally designed for CNG dispens-ing equipment in North America. The 291 Series’ rugged construction and unique internal design are tailored to meet the industry’s unique require-ments for solenoid valves. It safely with-stands pressures of over 5,000 psi, pro-vides superior fl ow rates and consumes only 12 watts of power.

ASCO Numaticswww.ascovalve.com

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Clean-In-Place Rotary Airlock Valve for Sanitary ApplicationsDesigned specifi cally for sanitary applications, the Quick-Clean Series of rotary airlock valves from ACS Valves aids in regulatory standards and practices compliance, reduces cleaning and sanitizing time and simplifi es inspection. This line of ACS cast stainless steel rotary airlock valves features the ACS RotorRail™ design that enables full validation access to the rotor and all internal surfaces of the housing without time-consuming disassembly of the endplate, or the concern for accurate rotor re-alignment during re-assembly.

ACS Valveswww.acsvalves.com

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Solenoid Valves for Water/Wastewater and Fuel Oil ApplicationsAvailable for ½–3 in. pipe sizes, Magnatrol Type A and AR valves feature cast bronze, globe pattern bod-ies with NPT ends and packless construction with continu-ous duty coils for all voltages. No differential pressure is required to open, and design facilitates service while in pipeline. While Type A valves are NC (energize to open), Type AR valves are NO (energize to close). Buna N, Viton®, or glass-fi lled PTFE orifi ce seal materials are available.

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Some 15 years ago, Marcel Raedts was one of those fortunate people who had a profession that met his dreams. He was working for a company in The Netherlands making systems for the handling of biologics that were applied in downstream processes to purify biopharmaceutical products. There was just one hitch.

“The diffi culty with my former employer was that it didn’t see the neces-sity, or the possibility, to innovate the radial columns,” says Raedts, the founder, president and CEO of PROXCYS Downstream Biosystems, Nieuw Amsterdam, The Netherlands. He approached his former bosses with a potentially better solution that involved changing the design of the RFC col-umns, but was rebuffed. That led to his decision to start his own company.

In biopharmaceutical production, upstream processing is where medi-cine-producing cells are cultivated until the proper amount is produced. In the downstream process, the desired active pharmaceutical ingredient (API) with potential pharmaceutical use is separated from the cell frag-ments and other culture media present upstream.

Chromatography offers one of the more popular and effective ways to make this happen. A chromatography-column system accomplishes purifi cation by selectively adsorbing target molecules — the API — onto the chromatography media packed in a column. To perform this task, the chromatography column is carefully packed with a media (or resin) that can cost as much as $10,000 per liter. The process requires a high, con-stant fl ow rate and is operated at moderate pressure.

Typical chromatography-column design is “axial.” In other words, the chromatographic media are packed in a rather fl at, broad, pancake-like cylinder, with the liquid stream passing through it vertically, from top to bottom or vice versa. The result is a system that has a short, wide bed that is highly ineffi cient in terms of the space required, as well as its overall weight being an encumbrance. Therefore, in axial chromatogra-phy, packed beds are typically taller than necessary in order to reduce

Chromatography column innovation includes use of diaphragm pumpMarcel Raedts bucked tradition when he created PROXCYS B.V. Downstream

Biosystems, but it has paid off handsomely By Dr. Andreas Frerix

•

•

•

•

•

Michael Raedts, founder of PROXCYS, center fi rst row with hands clasped, and the engineering department in Nieuw Amsterdam, The Netherlands.


41

the diameter of the axial columns, with an accepted tradeoff: reduced throughput and increased operating pressure.

Over time, Raedts became familiar with an alternative to traditional axial-fl ow systems: Radial Flow Chromatography (RFC) columns. RFC columns offer increased throughput and reduced pressure drop, while the system’s weight and footprint can be one-quarter that of an axial-fl ow column. Existing RFC-column technology performed only “moderately well” and Raedts determined that the columns should be able to perform much bet-ter, if they were properly designed.

A radical — and radial — ideaFounded in 2003, “PROXCYS was started from our garage, which is not

untypical for American companies, but is quite untypical for this kind of company in Holland,” Raedts says.

The RFC itself was actually invented in the 1950s. It can be an effi cient, low-pressure technology ideal for bio-molecule fractionation and purifi ca-tion. Unlike axial-fl ow systems, where the liquid stream passes through the chromatography media vertically, RFC sees the media wrapped around a central cylinder, with the liquid stream passing through it horizontally. RFC essentially folds the horizontal bed of the axial system into a vertical cylin-der and changes the fl ow direction from vertical to horizontal. While the purifi cation and fractionation capabilities remain the same, the system’s footprint and weight are radically reduced.

“The performance of PROXCYS’ RFC compares well to the best axial columns on the market and they could be interchanged, but in practice that’s more diffi cult,” Raedts says. “The manufacture of pharmaceutical products is highly regulated, so if you change the way you do things, there are a lot of hurdles to overcome, starting with new clinical trials.”

Still, there is an increasing acceptance of and more frequent change-overs to RFC from axial columns because RFC performance is proven to be equal to or better than axial columns. In addition, there are operational benefi ts from the RFC’s small footprint, short bed height, ease of packing, low pressure drop and high productivity rates.

“In new processes where operators can freely choose their own systems, the benefi ts of our RFC columns are highly appreciated,” says Raedts.

“Innovation of RFC columns began in 2002 and the development of the current patented Annular Port packing system in 2006 was key to dramati-cally improving performance. That was when we could launch our fi rst innovative column, a fi ve-liter high-performance RFC column that today has been scaled up to many sizes and options.”

Proper pump for the processA critical step in optimizing the performance of an RFC column is the

packing of the chromatography media, typically a resin, into the column. In the search for the proper pumping solutions, Raedts was introduced to quaternary diaphragm pumps from Quattrofl ow Fluid Systems GmbH & Co., Kamp-Lintfort, Germany.

Much like Raedts, who went out on his own to found PROXCYS, Quattrofl ow came into being in 2000 when engineers Frank Glabiszewski

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A positive displacement quaternary pump that features four pistons and four smooth-operating diaphragms has a design similar in concept to that of the human heart.

and Josef Zitron realized there had to be a bet-ter pump for critical product-handling applica-tions in the pharmaceutical and biotech indus-tries. They developed a positive displacement quaternary pump that features four pistons and four smooth-operating diaphragms, a design similar in concept to that of the human heart. In 2012, Quattrolow was acquired by the Dover Corp. and became a member of Dover’s Pump

Solutions Group, Oakbrook Terrace, Ill.“When we irst got the Quattrolow pump,

we were using it for typical downstream opera-tion of RFC columns,” Raedts says. “There, we discovered the attributes that make the Quattrolow an excellent pump: low pulsation, gentle product handling, large turndown ratio, high accuracy, low noise, compact design and low-shear operation.”

During a trial run with a packing pump, Raedts and others decided to include the Quattrolow pump to see how it compared to the other pumps typically used in column packing, usually compressed-air dual-action membrane pumps and peristaltic hose pumps.

“The Quattrolow pump performed much better than we expected and showed highly reduced resin damage,” Raedts says. “Since it

has four diaphragms and ive valves we expected some additional shear, but there was none at all, even at elevated low rates. There was truly a strong similarity to the human heart in its operation and that provided proof of its suitability for demanding applications like human blood plasma fractionation. Additionally, we found an excellent clearance of any unde-sired residues from the pump head.”

Most air-driven pumps are noisy, have a limited turndown ratio, pulsate and are relatively inaccurate. They are not suit-able for downstream column operation. The Quattrolow pump does not exhibit these characteristics and actually enabled PROXCYS to develop a new product: the Pack & Run system, which features a very small footprint.

Pack and runThe Pack & Run system allows for the

completion of two critical operations within the biopharmaceutical-production process:

• High low-rate packing of the chro-matography media in an RFC column via gentle yet fast handling without pulsation or shear; and

• Low low-rate Height Equivalent to Theoretical Plate (HETP) testing to verify that the column has been packed correctly.

The Pack & Run system can also be used for the handling of biologics through a third critical operation, a medium low rate for downstream processing of plasma proteins, which are very shear- and pres-sure-sensitive.


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42 Process Control

A radial low chromatography system fea-tures a quaternary diaphragm pump.

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“It is very uncommon for a system to be able to perform both column-packing and an HETP test, but the pump is able to do so,” says Raedts. “The key to this versatility is the large turndown ratio, low shear and excellent head clearance.” This last attribute is most important in allowing the completion of the third critical area of operation, the processing of plasma proteins.

“Our Pack & Run systems are currently used in Phase I and II clinical manu-facture of plasma protein: one tiny, loor-space demanding system that can do it all,” says Raedts. “This is not typical, especially since the processing of the clotting factors and other plasma protein is a very delicate matter. The Quattrolow pumps have also been shown to perform capably at very slow to very fast speeds, but without any noticeable increase in shear.”

Since the early days when PROXCYS was offering its irst ive-liter column, the company has grown to design and construct RFC columns with up to 350 liters (92 gallons) of column volume. It therefore makes use of four sizes of pumps with increasing low rates.

Raedts anticipates the day in the next year when PROXCYS will begin pro-ducing a 1,200-liter column, which would be the largest in the world.

Concluding thoughts Marcel Raedts took an undeniable leap of faith when he went against

accepted practice and formed his own company. Now, what began as a dream in his garage 10 years ago, has grown into a company with an increasingly international reach.

In September 2012, PROXCYS became the oficial distributor of Quattrolow pumps in the Benelux (Belgium, The Netherlands and Luxembourg) countries. Including the full line of Quattrolow Quaternary diaphragm pumps has been an important addition to the PROXCYS product family.

“Quattrolow is deinitely helping our clients,” Raedts says. “Until two years ago, we were not applying the pumps into any of our systems because at the time we only had simple packing skids using air-membrane pumps like every-one else. But a simple test to compare the performance of the Quattrolow pump for column packing radically changed the landscape.”

Knowing what was possible, PROXCYS found a client who understood its vision and after presenting the irst design with a Quattrolow pump, they were thrilled to go with that. “Now, Quattrolow is a product that really helps our sales, maybe as much as 30%,” Raedts concludes.

Dr. Andreas Frerix is the applications manager Biotech/Biopharma for Quattrolow™, part of Pump Solutions Group (PSG®). He can be reached at [email protected]. For more information on Quattrolow’s full line of positive displacement quaternary diaphragm pumps, please visit www.quattrolow.com or call +49 2842 961 0. Headquartered in Oakbrook Terrace, Ill., PSG is comprised of several leading pump brands, including Abaque®, Almatec®, Blackmer®, Ebsray, Griswold™, Maag, Mouvex®, Neptune™, Quattrolow™ and Wilden®.

Pump Solutions Group www.psgdover.comWrite In 530A radial low chromatography system fea

tures a quaternary diaphragm pump.

A range of quartenary pump sizes meet the varied needs of bio-pharmaceutical manufacturing.

44 Process Control

Open Network Control SystemSTARDOM is an open network control system consisting of components with control, operation and monitor-ing function-ality. The autonomous controllers at the core of STARDOM have the same control and monitoring functions found in a PLC as well as the information distribution functions of a PC. They are widely used as intelligent remote terminal units (RTU) in distributed applications such as natural gas and oil wells and pipelines. When used in combination, FCN and FCN-RTU autono-mous controllers and the FAST/TOOLS SCADA software give increased fl exibility in distributed applications. Yokogawa Corp. of Americawww.yokogawa.com/us

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Industrial Controls and Automation PackagesRoss SysCon is branching out its process control and automation services to more applications in the pharmaceutical, food, cosmetics, plastics, adhesives, chemicals, coatings, paper, energy and utilities industries. In one of its most recent projects, Ross SysCon supplied seven NEMA 4X

stainless steel enclosures with RX3i multi-rack programmable logic controller (PLC)-based platform to a nuclear power plant facility. The panels were designed to integrate to the end-user’s system, which uses a variety of digital, analog and RTD-type fi eld devices. Through a series of structured I/O modules, the operator panels enable monitoring and control of selected processes in the plant. Ross SysConwww.rosssyscon.com

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Panel Computer for Hazardous LocationsMoxa has introduced the “roughneck-ready” EXPC-1319 hazardous location panel computer for the oil and gas industry. The EXPC-1319 has been designed from the inside out to be used in industrial settings. The EXPC-1319 meets UL Class 1, Div 2 and IEC ATEX Zone 2 hazardous location codes without the need for special measures such as complex and expensive enclosures or additional certi-fi cation processes. It is qualifi ed for direct installation in hazardous areas world-wide where potentially explosive gases or vapors may be present.

Moxawww.moxa.com

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45



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Temperature/Process Limit ControllersOmega’s new user-friendly iSeries is a simple to confi gure limit controller that features uni-versal inputs, high accuracy, two relay alarm outputs, totally programmable color displays, built-in excitation, AC- or DC- powered units, front removable plug connectors, program-mable digital fi lter, high/low limit and remote reset input. The CNi-AL series offers unparal-leled fl exibility in process measurement and limit alarm applications. CNi-AL can be used to monitor the temperature of a plastics extruder.

OMEGA Engineering, Inc.www.omega.com

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Enhanced High-pressure Pneumatic RegulatorsRotork Fairchild has introduced a new HPP range of high pressure, compact, leak-free pneumatic regulators for instru-ment and industrial control applications. The HPP (High Pressure Piston) range incorporates a piston design to manage supply pressures up to 413 Bar (6,000 psi) at temperatures up to 260 C and delivers high output pressures between 207 Bar (3,000 psi) and 69 Bar (1,000 psi). The HPP high-pressure performance complements the company’s HPD (High Pressure Diaphragm) regulator range.

Rotork Fairchildwww.fairchildproducts.com

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Rugged PLC SystemA new ruggedized PLC system from ABB provides an easy-to-implement solution for control-ling equipment operating in harsh conditions and extreme climates. ABB’s “extreme con-ditions” AC500-XC PLC is pro-tected against a wide variety of threats including high and low temperatures, high humidity, low air pressure, salt mist and hazardous gases, and vibration and shock. The embedded protection features ensure that AC500-XC PLC based control systems stay functional and reliable even when operating in hostile environments.

ABBwww.abb.com/plc

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46 Weighing & Feeders


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Micro-ingredient FeederK-Tron’s micro-ingredient feeder line has been expanded to include interchangeable MT12 mm and MT16 mm twin-screw feeding modules, or MS12 mm and MS16 mm single-screw feeder modules. The interchangeable twin-to-single-screw feed modules provide versatility to handle a broad range of materials from powders to granular materials. The overall feed rate capacity is from 0.02 dm³ / hour to 27 dm³ / hour. The new design allows for extended screw profi les, with a smaller overall footprint, allowing for closer discharge dimensions, ideal for multi-ingredient cluster arrangements.K-Tronwww.ktron.com

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Weighbelt FeedersFor use in industries where preci-sion weighing and metering of dry materials is required, Schenck AccuRate’s DEA stain-less steel weighbelt feeders provide weight controlled feeding, weight indication and totalization for fragile (friable) materials like cereals, snack foods, kibble, fruits, pasta and fi bers. DEA Weighbelt feeders are offered in 12” and 24” belt widths with easy belt detensioning and removal, BIC (belt weight infl uence compensation), accuracies of ± 0.25% to 1% of set rate sigma and feed rate capabilities up to 1,680 cubic feet per hour. Schenck AccuRatewww.accuratefeeders.com

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Hang-weigh Bulk Bag FillerHapman’s hang-weighing option on its mobile bulk bag fi ller eliminates the need for recalibration after moving the unit to another location. In addition, the top-mounted load cell design removes the risk of potential damage to the sensitive weight sensors when moving the system throughout the plant. Hapman’s complete line of bulk bag fi llers and options are focused on increasing your bottom line through producing stable, easy-to-handle FIBCs that reduce warehousing and transportation costs.Hapman

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Weighing SystemsPre-engineered and pre-programmed 920i FlexWeigh Systems are Rice Lake’s turnkey answer to many of manufacturing’s most commonly used weighing processes, providing clearly defi ned, immediate solutions for almost any operation. 920i FlexWeigh Systems combine the power and versatility of the 920i interface with the simplicity and strength of the FlexWeigh control panel. Each 920i FlexWeigh model is factory tested and programmed for the task at hand. Stainless steel NEMA-4X enclosures and rugged, customizable operation switches guarantee industrial-strength and dependability.Rice Lake Weighing Systemswww.ricelake.com/920iFlexWeigh

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Blow-Through Feeder/AirlockThe BT Series Blow-Through Feeder/Airlock from ACS Valves is designed to ensure opti-mal bulk density and throughput of hard-to-convey materials such as fi ne powders and fl akes that, in high-pressure pneumatic con-veying applications, can easily over-aerate and reduce material feed effi ciency. The BT Series Feeder/Airlock design decreases excess aeration of the material during conveying with an integrated vent port on the return side of the valve housing that automatically vents air leakage. The BT Series 8-vane rotary valve design signifi cantly reduces air leakage and maximizes the fl ow path of air through the rotor pocket; improving material pocket release.ACS Valveswww.acsvalves.com

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Clean-in-place Rotary Airlock FeederThe Meyer Klean-In-Place II® Rotary Airlock Feeder is a special-purpose valve suited for dairy, pharmaceutical, food, bak-ing, chemical, paint and powder-coating applications. All that’s needed to simply remove the rotor from the housing is a common 3/16” allen wrench. The valve can be thoroughly cleaned, sanitized and inspected in a short time. This feature makes the Klean-In-Place II ideal when frequent cleaning and sanitary service is required to prevent product contamination. The unique design of the Klean-In-Place II also incorporates a self-aligning drive design that eliminates complicated drive handles.Meyer & Sons, Inc.www.wmwmeyer.com

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Volumetric FeedersDesigned for both continuous and batch-ing applications, Acrison’s Models 170-1-2 and 170-2-2 Volumetric Feeders incorporate a versa-tile metering mecha-nism featuring two independently driven metering augers for the accurate and reliable feeding of a diverse variety of dry solid ingredients over a wide feed range. The design of the Models 170-1-2 and 170-2-2 Feeders elimi-nate the undesirable requirement to change the size of the feeder’s metering auger whenever a feed range is required that can-not be effectively achieved by a single size auger.Acrison, Inc.www.acrison.com

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Over the past 30-some years, industrial automation evolved from a domain inhabited by many newly minted companies controlled by entre-preneurial founders into a global market dominated by maybe two hand-fuls of publicly traded, multi-billion dollar corporations.

Instrumentation and automation supplier Endress + Hauser is something of an anomaly in this regard. Oh, it has the nearly $2.3 billion in 2012 annu-al revenues all right; but the company remains closely held by Switzerland’s Endress family.

Endress + Hauser supplies sensors, devices, systems and services for level, low, pressure and temperature measurement, as well as liquid analy-sis and measured value recording.

All that is good about being part of Endress + Hauser was recently on display at its U.S. headquarters and sales center in Greenwood, Ind., just outside of Indianapolis. There the company is investing more than $40 mil-lion to expand its low, level and pressure measurement production facili-ties.

For many of those attending the ribbon-cutting ceremony — including employees, local government and press — the expansion of a U.S. manu-facturing facility is the best kind of feel-good story.

At the Greenwood plant, an extension to a new building occupied only ive years ago has created nearly 85,000 square feet of additional loor space. “This gives us a chance to increase capacity and to produce addi-tional lines of instruments locally,” says Hans-Peter Blaser, general man-ager, Endress + Hauser Flowtec Div. USA.

In addition, “level and pressure engineering resources” moved into a new building right next door with more than 105,000 square feet of ground area. The additional production areas will allow more products to be delivered directly from the Greenwood plant. The vacated facilities space will be used for a new visitor and training center for the U.S. sales organization.

Endress + Hauser had its irst sales center in the U.S. in 1970, and has manufactured in the United States for the Americas — north, south and central — for more than two decades. Its success includes bringing on more than 700 U.S. employees and engaging a network of independent representation believed to encompass another 350 sales engineers and service technicians.

“We have grown an average of 19% a year since 2003, in a market grow-ing an average of 6%. More than 80% of the measurement instruments we deliver in the USA today are now made in the USA. For our low products that percentage is even higher,” says Todd Lucey, manager of the U.S.

sales center. “We are a proud American company — with strong Swiss roots.” He adds that Endress + Hauser expects to be a $500 million com-pany in the U.S. in the next several years.

Also at the ribbon-cutting ceremony, and resplendent in a red bow tie, was Klaus Endress, CEO of Endress + Hauser Group. Endress will retire as CEO at the end of the year, retaining chairmanship of the supervising com-mittee. Most of the company’s growth in North America has come during his tenure. In the 1980s, he was employed at the Greenwood site. And at the ribbon-cutting ceremony he was clearly proud and enjoying himself.

“We are increasing employment by building state-of-the-art facilities, here and all over the world. You could go into these plants, and if you were having lunch and you spilled something you could just go ahead and pick it up and eat it,” Endress says.

In fact, the sense of order prevailing in the production areas is outstand-ing and visitors had the strong sense that craft work rather than piece work is being performed. Also impressive are the calibration facilities for very large diameter lowmeters and the big machine shop.

The ribbon-cutting ceremony took place on a beautiful blue-sky day in the U.S. Midwest, with the campus of white buildings surrounded by corn and soybean ields. In remarks delivered prior to the ceremony, Endress

48 Industry BriefsEndress + Hauser invests $40 million in US manufacturing


Klaus Endress, CEO of Endress + Hauser, shown in the photo wearing a red bow tie, was present for the ribbon-cutting ceremony outside Indianapolis, as were other company executives.

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50 Industry Briefs

characterized the group he leads as being “a very nice, mid-sized com-pany,” and spoke for a moment about some issues impacting its future. First and foremost is the commitment to remain a family-owned enterprise and what that means as a third generation of the Endress family comes into maturity with a full 36 members, including the four children of Georg H. Endress, the company founder, who passed in 2008 at the age of 84, their spouses and offspring.

A “family charter” agreed upon for the third generation is meant to establish a basis for sustaining Endress + Hauser as a family-owned busi-ness in which share-ownership issues, should they arise, won’t be allowed to impact company operations.

Following the ribbon-cutting ceremonies, Endress spent a considerable amount of time having his photo taken with the employees who came up to him. All in all it was a good day for Indiana, Endress + Hauser and the people who made the whole thing happen.

Invensys Foxboro unveils next-generation control system Invensys Foxboro has a lot on its plate. Besides the pending acquisition

of its Invensys parent by Groupe Schneider, Foxboro on Sept. 10 unveiled what it says is Invensys’ next-generation control system, “the Foxboro Evo process automation system.”

Because control-system evolution today is punctuated by such frequent technology releases, the new system might almost as easily have been introduced last year, or next year, as this year.

“Some people think of I/A [the Foxboro I/A distributed control system] as 1980s technology, but there is no single aspect of it that hasn’t been replaced over time,” says Grant Le Sueur, director, product management, Invensys Foxboro.

On the other hand, says Chris Lyden, an Invensys Foxboro senior vice president, “This year we have a conluence of technology releases that make a new system, including a new controller, Triconex on the network [Invensys Triconex, the supplier of safety systems], high-density I/O, and control room enhancements.”

The changes are indicative of a process-control industry rapidly adopting the latest computing advances in the pursuit of user safety, security and productivity.

An automation vendor helps users 1) ensure plant operational integrity, 2) enhance operational insights and 3) enable change, says Gary Freburger, president of Invensys’ systems business. “Our new Foxboro Evo system does it with unrivaled elegance. With more powerful processing capac-ity and new, advanced applications, the system allows our customers to uncover new and hidden value from within their operations.”

The company says the Foxboro Evo process automation system evolved directly from the Foxboro I/A Series and Triconex technology, found today in some of the world’s largest, most complex process facilities and known for layered architectures. Foxboro Evo extends this approach through a component object-based platform, allowing major upgrades without halt-ing operations.

“We needed to upgrade the vast majority of our DCS, but like most sites, we didn’t have the luxury of a site-wide shutdown to make a full change pos-sible,” says Michael McKenzie, distributed control systems specialist for BP in Brisbane, Australia. “We were facing a substantial obsolescence issue, which we had ranked as a signiicant risk to ongoing operations, so we needed a solution that would allow us to upgrade components as we needed them, without sacriicing functionality or usability for operators.”

In the wake of the Gulf of Mexico Deep Horizon disaster, and given the high incidence of accidents in the chemical industries, it’s not surpris-ing that much work is being done within the process-control industry to improve the ability of operators to make sound decisions, especially in criti-cal situations.

“Operator interface screens were originally based on piping diagrams and extensive use of color in the graphics,” says Lyden. “Well, piping dia-grams can be at the least very inconsistent and all that color may have in

the end impeded more than helped.”Results of this recognition include use of grey tones for screens, with

color used only to highlight that which needs most attention. “It’s really a simple change,” says Lyden. “Consistency in the screens and in use of color and use of behavior attributes to attract the eye, such as those that are used in airline consoles.”

If users in the control room and in the ield can better interpret the grow-ing volume and complexity of the information they receive, Lyden says, “within the proper context of procedures and operational risk, they will make more valuable contributions to the business.”

As mentioned, the Foxboro Evo system includes a new high-speed con-troller, ield device management tools, a maintenance response center, an enterprise historian, 1-n redundancy and cyber-security hardening. The company’s portfolio of roles-based engineering tools and productivity applications are integrated within it, for visibility into historical, real-time and predictive operating information to help drive production eficiency.

Of particular interest is that personnel will beneit from the coupling of control and safety, which enables sharing of operational information while keeping the safety system functionally isolated, as well as state-of-the-art cyber security.

Cargill implements automated distribution at Kansas beef plantU.S.-based meat processor Cargill is to invest $48 million in its beef pro-

cessing plant in Kansas in an effort to deliver better service to its custom-ers, the company says.

The money will be used to install an automated distribution system at the company’s Dodge City facility. The system will be located in a sepa-rate building, covering 62,000 sq. ft., and will have the capacity to handle 155,000 boxes of beef at a time. This will increase the total capacity of the facility by 135,000 boxes.

Cargill says construction will begin later this year, with the new system scheduled to be in action by the spring of 2015. It is expected to reduce costs and enable the company to function in a more sustainable way due to lower energy consumption.

The current distribution system has been in use for three decades. The replacement includes Retrotech automation and Viastore equipment.

John Keating, president of Cargill Beef, says the new distribution system will allow the company to improve order accuracy and to ensure on-time delivery. Moreover, it will help the company deal with the increasing com-plexity and diversity of shipments to domestic and overseas markets, prov-ing Cargill to be a highly reliable and eficient partner.

US to allow processed chicken imports from ChinaThe United States is planning to allow the sale of poultry meat processed

in China, following a decision by the Department of Agriculture (USDA) to



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July 2013FEATURES

CHINESE PHARMA INDUSTRY EYES

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On the Global Processing Filler ad in the back of the

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52 Industry Briefs

give the green light to the import of limited amounts of production manu-factured by four poultry processing companies based in the Asian country, The New York Times reports.

The decision comes after lengthy negotiations between the U.S. Department of Agriculture and Chinese industry representatives. At fi rst, the processors will only be allowed to ship cooked poultry products from chickens raised in the United States or Canada.

Processors will have to certify that the birds used for the production were raised in North America, but there will be no USDA inspectors present at the facilities. Since the products will be processed, they will be exempt from the country-of-origin label rules, The New York Times says. It is possi-ble that in time, the rules might be expanded to allow products from birds raised in China to reach U.S. consumers.

The news immediately sparked fears that food quality might be at risk, since China has a far worse food safety record in comparison to the United States. Its poultry industry in particular has been a center of attention on numerous occasions, including a recent FDA investigation that exposed contaminated chicken jerky treats for pets from China, which led to the death of more than 500 dogs and cats.

Canada pressed to adopt mining op-erations transparency legislation

Legislation aiming to improve the transparency and traceability of funds paid by mining companies to local gov-ernments is already in force in the United States and the European Union, but Canada is lagging behind in adopting similar legislation.

A group of U.S. investors, managing $5.8 trillion worth of assets, has stepped in and is lobbying the Canadian govern-ment to improve transparency, which will deter corrupt government offi cials and leaders from pocketing funds from min-ing companies.

The group recently sent a letter to Natural Resources Canada, calling for the introduction of standards that will require mining companies to disclose how much they are paying to governments. The group wants any Canadian legislation to mirror the current legislation in the U.S. and the EU. It also calls for adopting of a disclosure threshold of $100,000, Mining.com reports.

Similar recommendations have already been presented to the Canadian govern-ment by local industry groups and organi-zations. Several months ago, a coalition of Canadian mining industry representatives and civil society organizations, called for the implementation of rules that will make governments more accountable and will enable investors to better choose where to invest their money.

Canada’s prime minister Stephen Harper recently announced that the country will be making a move to adopt a legislation that will require mining companies to reveal how much they are paying various governments for extract-ing resources, but no time framework has been identifi ed so far; a statement which has not satisfi ed the consortium of the U.S. investors pressing for the changes.


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Posi-fl ate651-484-5800 • www.posifl ate.com/products/486.htmlEmail: info@posifl ate.com

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56 Index

Flowmeters

Alicat Scientifi c, Inc …………………………………………… 12

Badger Meter, Inc ……………………………………………… 12

Blue-White Industries ………………………………………… 10

Emerson Process Management ……………………………… 13

Fluid Components International …………………10, Front Cover

Fox Thermal Instruments ……………………………………… 10

KROHNE, Inc …………………………………………………… 12

Schenck AccuRate …………………………………………… 13

Siemens Industry, Inc ………………………………………… 13

Level Measurement

BinMaster Level Controls ……………………………………… 20

BlueLevel Technologies ……………………………………… 18

Hawk Measurement …………………………………………… 20

KROHNE, Inc …………………………………………………… 18

Magnetrol International, Inc ……………………… Front Cover

Monitor Technologies ………………………………………… 20

Omega Engineering, Inc ……………………………………… 18

Process Control

ABB ……………………………………………………………… 45

Moxa …………………………………………………………… 45

Omega Engineering …………………………………………… 45

Ross SysCon …………………………………………………… 44

Rotork Fairchild ………………………………………………… 45

Yokogawa Corp. of America ………………………………… 44

Valves & Actuators

ACS Valves ……………………………………………………… 39

ASCO Numatics ……………………………………………… 39

Halogen Valve Systems, Inc ………………………………… 36

ITT Corp./Engineered Valves ………………………………… 38

Jefferson Solenoid Valves USA, Inc ……………… Front Cover

Kemutec ………………………………………………………… 36

Magnatrol Valve Corp ………………………………………… 39

Plast-O-Matic Valves, Inc ……………………………………… 36

TLV Corporation ……………………………………………… 38

Vortex Valves …………………………………………………… 38

Weighing & Feeders

Acrison, Inc …………………………………………………… 46

ACS Valves ……………………………………………………… 46

Hapman ………………………………………………………… 46

K-Tron …………………………………………………………… 46

Material Transfer & Storage ……………………… Front Cover

Meyer & Sons, Inc …………………………………………… 46

Rice Lake Weighing Systems ………………………………… 46

Schenck AccuRate …………………………………………… 46

A-T Controls ........................Inside Front Cover

ACS Valves .................................................... 30

Assured Automation ..................................... 34

Automatic Filters ............................................. 6

BinMaster Level Controls .............................. 41

Blue-White Industries .................................... 16

Boerger ......................................................... 29

Bunting Magnetics .......................................... 6

Camfi l Air Pollution Control............................ 3

Cashco ............................................................. 4

CheckAll Valve .............................................. 36

Collins Instrument Company ........................ 26

CPV Manufacturing ....................................... 40

Eldridge Products ......................................... 45

Eriez Manufacturing Co ................................ 32

Federal Equipment Company ...................... 22

Flexicon Corporation ...................................... 9

FLEXIM Americas .......................................... 12

Flo-Tite .......................................................... 28

Flowrox .......................................................... 42

Fluid Components International ..................... 7

Fox Thermal Instruments .............................. 28

Gardner Denver ............................................ 46

GEMCO Valve Company .............................. 25

Gemu Valves ................................................. 16

Global Processing ......................................... 51

Greyline Instruments ..................................... 22

Halogen Valve Systems ................................. 24

Hapman Conveyors ........................................ 5

Hawk Measurement ...................................... 38

Hayward Flow Control .................................. 37

International Exposition Company ............... 49

Jefferson Solenoid Valves ............................... 8

Kason Corporation ........................................ 27

Kemutec ........................................................ 24

KROHNE ....................................................... 45

Load Controls, Inc ......................................... 14

Lutz Pumps .................................................... 44

Magnetrol International ................................ 17

MasoSine Process Pumps ............................. 13

Material Transfer & Storage ......................... 19

Midwestern Industries................................... 31

Monitor Technologies ................................... 40

National Bulk Equipment .............................. 35

Omega Engineering ..................................... 43

OTEK Corporation ........................................ 41

Paul O. Abbe ................................................ 34

Plast-O-Matic Valves ...................... Back Cover

Posi-fl ate........................................................ 30

Rice Lake Weighing Systems ........................ 21

Rotork Controls ............................................... 1

Schenck Process ............................................ 20

seepex ........................................................... 42

Siemens Industry ........................................... 10

Silverson Machines ........................................ 15

Specialty Equipment ..................................... 11

SPX Flow Technology ..........Inside Back Cover

SWECO ....................................................... 33

Thomas Products .......................................... 38

Triple/S Dynamics ......................................... 39

UWT Level Control ....................................... 14

Vac-U-Max ..................................................... 44

VAF Filtration Systems .................................. 36

Vanton Pump & Equipment Co .................... 18

Vortex Valves ................................................ 23

Water/Waste Processing .............................. 52

WEFTEC ........................................................ 47

P r o d u c t I n d e x

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A d v e r t i s e r I n d e x

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Features:

• Heavy-duty, large diameter shaft to eliminate flexing and breakage.

• Dual shaft seals eliminate leakage.

• PTFE bearing on shaft eliminates friction and wear; stem design is “blow-out” proof.

• PTFE seats energized with O-rings eliminate wear and improve cycle life.

• Trunnion design eliminates lateral ball stress and allows downstream piping to be disconnected under full line pressure.

• Fully concentric and mirror polished ball assures smooth, leakproof operation.

• Smooth flow path eliminates pressure loss.

• True-union ends for ease of piping installation & removal.

• Mounting lugs on body for piping support or easyattachment of True Blue Actuators.

The engineered Plast-O-Matic

True Blue Ball Valve is now available

with characterized flow;

and a new electric actuator

featuring

4-20mA digital positioning…

which means that precise,

reliable, worry-free flow control

of corrosive and high-purity liquids

is no longer a pipe dream…

• Standard V-cut characterized flow

balls are offered in 15°- 90° profiles

• Custom profiles are available for

virtually any flow requirements

The Best

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A CONTROL VALVE

The Best Thermoplastic Ball Valve + 4-20mA Digital Positioning—————————————————————————————

THE ULTIMATE CONTROL VALVE

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(973) 256-3000 • www.plastomatic.com

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Documents

Processing - October 2013