Embed Size (px)
Citation preview
brands you trust.
www.craneenergy.com
PACIFIC VALVES® - Wedgeplug Brochure
PACIFIC VALVES
www.craneenergy.com
2
Petroleum RefiningDelayed Cokers• Inlet/Transferline Isolation• OverheadIsolation• ModuleIsolation• HeaterIsolation
PetrochemicalEthylene/Steam Crackers• FurnaceIsolation• TransferlineValves• DecokeValves• BypassValves• StrainerIsolation
MDI/MDA
FCCU & RCCU• Slurry/cycleOilPump Isolation• CatalystWithdraw &Addition• 3rdStageCycloneBlock• StrainerIsolation
• CatFinesBlockValves
• FractionatorsEmergency ShutdownValve
• CokerPotStrainer
Asphalt PlantsResidue Reduction
Other• FossilFuelPower Generation• FlyAshHandling
Coal Gasification
Typical Applications
Wedgeplug Key Features and Typical Applications
Key Features & Benefits
Simpleconstructionwithonlythreemajorparts
Simplepurgeoptions
Metalsealingsurfaces
Wedgetorque®operation
Bi-directionalsealingwithdoubleblock-and-bleedcapability
Purgeactsassecondarysealbarrierformorereliableshutoff
Wideseatareaaccommodateslongtermprocessdamageandsupportsreliableisolationperformance
www.craneenergy.com
3
• ASMEClasses150-1500.
• Temperaturefromcryogenicto1650°F(900°C).
• Sizes½in(15mm)through36in(900mm).
• Plugportofreduced(70%,90%)andfullbore(100%).
• Designedtorequirementsof:
-API599 -ASMEB16.5flanges
-ASMEB16.10facetoface
-ASMEB16.34
-Flanged,threadedorbutt-welded
• FiretestedtoAPIStandard607,APIStandard6FA
andBritishStandardBS6755.
• MaterialsincludeWCB,CF8M,C5,C12,WC6,WC9, andIncoloy800H.
• Specialconfigurationsandalloysavailable.
Making The Severe Routine
Wearistheenemyofallprocessvalveswhichreducesthelifecycle.Severeserviceprocessesacceleratesthisactionaggressively further.Thecompressive interfaceofsealingelementswith the introductionofsevereprocessesattackmachinefinishesandtoleranceswhichenablesthevalvesabilitytofunction.TheWedgeplugeliminatesthisactionwithfrictionlessoperationbetweensealingelements.Thisextendsthereliabilityofthevalveforshutoffandrepaircostsfortheseextremeapplications,thusoffersthelowestcostofownership.
Wedgeplug Product Range
www.craneenergy.com
4
1
2
3
4
56
7
4
(plug detail)
Design Features
Wedgetorque operator lifts, rotates 90° and reseats plug on its protected seating surfaces. Positive mechanical thrust drives plug into body seats to ensure tight bi-directional line seal. Automatically compensates for wear and temperature changes. Automated operation easily accommodated.
1
Open-close position indicator. Limit switches for remote indication.2
Large stuffing box accommodates all packing arrangements, including live-loaded design and lantern ring type for severe services.3
Non-lubricated, tapered plug assures tight seal with low breakout torque. Constructed of hardened materials with optional hard facing. 4
Robust body with raised seating surfaces ground to mirror-like finish. Hard plug and body seat facings available. Body and plug seatsprotected from line media in open-close positions.
5
Integrally cast body ribs, running parallel and perpendicularto the pipe axis, impart additional strength for high pressure conditions, thermal and pipe loads.
6
Seven body bosses provide purge, flush, drain or bypass connections. (Purge/flush shown.) Bottom boss is furnished with standard pipe threads.
7
www.craneenergy.com
5
Design Simplicity
®Grayloc is a registered trademark of Gray Tool Company.®Stellite is a registered trademark of Deloro Stellite, Inc.®Ultimet is a registered trademark of Haynes International, Inc.
The optional Q-plugprovides full port flow along with less weight and easier maintenance. Other enhancements include trunnion mounting to eliminate side loads for prolonged seat life;tangential purge; and heavy-duty mounting yoke design.
BodyThe body features dual, integralmetal seats which provide metal-to-metal, bi-directional line sealing.The raised seats are completelyprotectedfromtheprocessflowwhenfully open or plug covering bodyseat closed. There are no cavitiesto permit process build-up, no leakpathsbehindtheseatandnothermalexpansion problems. Inherently firesafe, a single Wedgeplug valveprovides double block-and-bleedservice. End connections include:raised face, ring joint and flat faceflanges; butt weld; screwed ends;socketweld;andGrayloc®hub.
PlugThetaperedplugisprecisiongroundfromhardenedhighalloymaterialoranoverlaidstainlesstoassurea tight sealandeasyoperation.Thehardenedoroverlaid surfaces resist damage from the mostsevere service during operation of the valve foryearsofpredictableservice.
SeatsThe unique lift and turn operation of theWedgeplug valve allows the valve to operatewithvirtuallynorubbingorcontactoftheseatsand plug. Since there is no contact during liftand turningandsince theseatsareprotectedfromtheprocessflowwhenthevalveiseitherfully opened or closed, there is no need foroverlays on the seats. The seats are integralcast as part of the body and are machinedand then ground to a mirror-like finish tomatchtheplugfortightmetaltometalsealing.Special metallurgy and hard facing surfacesareavailableandcanbefurnishedtocustomerrequest,includingStellite®andUltimet®.
BonnetTop entry to the body allows in-line disassemblyand repairability. Plug-stem-yoke-actuator canbe removed as a single unit for inspection,cleaningandrepair.This isasignificantcostandmaintenancebenefit,especiallyforvalvesizes12in(300mm)andlarger.
www.craneenergy.com
6
Hard Seating Surfaces
Hard facings on the plug and body seats are not required due to the unique, non-contact turning motion of theWedgeplugandcanbefurnishedtocustomerrequest.Thehardenedmetalplugsarethenmachinedtoamirror-likefinish for tight sealingand low torque.Wedgeplugvalveswithhard facingsare recommended forhigh temperaturecorrosiveanderosivesteamandoiloroilvaporservices.
A Choice of SeatsMetalseatedvalvesarerecommendedforextremelyhighorlowtemperaturesandinabrasivemedia.Specialmetallurgyandhardfacingsurfacesareavailable.
Bonnet, Stem and Seal Options• Extendedbonnetsforcryogenicservice.• Heatdissipatingfinsfortemperatures>1000°F(535°C).• Trunnionmountshandlehighdifferentialpressuresandpreventsideloading.• Packingandglandassemblywithtwo-pieceballandsocket-typejointsassures alignmentandproperpackingcompressionwithoutstembinding.Standard packingisGrafoil®.Awidevarietyofpackingconfigurationsareavailable.
Purging and Flushing (see illustration page 8)
Theunique lift/rotatedseatactionof theWedgeplugvalveprovides for themostefficientuseofpurgesteam in theindustry.Unlikeotherdesignsthatrequireacontinuousflowofpurgesteam,theWedgeplugvalveshutsoffpurgesteamflowinthefullopenandfullclosedposition,savingmanytimesthepriceofthevalveinwastedpurgesteamflowoverthelifeofthevalve.
SevenbosslocationsperASMEB16.34canbetappedforintroductionofpurgeorflushingmedia,typicallyair,nitrogen,steamor flushoil.Bysupplyingahigherpressurethanthemedia linepressureto thepurge/flushing line inlets, theseatingsurfacesareflushedcleanbypushingparticulatematterbackintothelineduringcycling.
Steam Jacketing
Steamjacketedvalvesareavailabletohandlehighlyviscousmediasuchastarsandpitches.TheymaybeobtainedinASMEClass150and300,sizes1½in(40mm)thru10in(250mm).
Simple Automation
Wedgetorque operators are standard equipment. Providing optimum torque seating, they ensure tight bi-directionalsealingwhilecompensatingforseatwearandprocesstemperaturevariations.Theyalloweasymanualoperationandsimpleautomationwithelectric,pneumaticorhydraulicactuators.
®Grafoil is a registered trademark of GrafTech International Holdings Inc.
Overview
www.craneenergy.com
7
Wedgetorque Operators
All Wedgeplug valves are supplied with Wedgetorqueoperatorstoensureoptimumtorqueseating,providingthefollowingfeaturesandbenefits.
• TheWedgetorqueliftsthenon-lubricatedplugand rotatesit90°,reseatingitastorqueistransmitted totheoperatingscrew.
• TheWedgetorqueprovidespositiveseatingfrom mechanicalthrust,ensuringtightsealingofupstream anddownstreamseats.
• Automaticcompensationforwearandprocess
temperaturevariations.
• TheWedgetorqueismanufacturedandstockedin severalgroupsizesforafullrangeofWedgeplug valves.
• OriginallysuppliedWedgeplugvalveswithscrew-type operators,canbeeasilyrefurbishedwithnewyokes andWedgetorqueoperators.
Enhance Performance & Extend Valve Life
Toprovideconsistentseatingperformanceandprolongedvalvelife,itisrecommendedthatyoupurgeandflushyourPacificWedgeplugvalveeachtimeitisoperated.Bypurgingandflushing,youcan: • Cleantheseatingsurfaces,helpingtodeterdamage causedfromsolidstravelingintheprocessstream.
• Createathirddynamicsealinthevalve,inaddition totheupstreamanddownstreamseats,by introducingthepurgemedia.
• Usethepurgemediatocreateasafetyblanket,thus eliminatingescapepathsfortheprocessmedia.
Another benefit inherent in the Wedgeplug design isthatthepurgemediaisonlyconsumedwhenthevalveisbeingopenedorclosed.Thisgreatlyreducestheoverallconsumptionofpurgemediaandthesubsequentremovalfromtheprocessstream.
Guidelines for Purging and Flushing
Purgeand flushPacificWedgeplug valves using steam,air,nitrogenorprocesscompatibleliquidsfollowingtheseparameterstoenhancevalveperformance. • Steampurgemustbeappliedat25PSIGmin/50 PSIGmaxaboveprocesslinepressure.
• Airornitrogenpurgemustbeappliedat25PSIG min/50PSIGmaxaboveprocesslinepressure.
• Liquidpurgemustbeappliedat5PSIGmin/10 PSIGmaxaboveprocesslinepressure.
Toensuremaximumbenefit, followtheguidelinesbelowwhenestablishingpurgingandflushingprocedures.
• Purgemediashouldbecompatiblewithprocessmedia.
• Systemstemperatureandpurgetemperatureshould besimilar.
• Supplylinesshouldhavenorestrictions(orifices) with-outpriorconsultationofPacificWedgeplug.
• Supplyheadershouldbesizedforadequatevolume.
• Pressureandtemperaturegaugesshouldbeplaced incriticalareastomonitorpurgemedia.
• Steampurgelinesshouldbeasshortaspossibleto preventcondensatebuild-up.
Enhance Valve Performance
www.craneenergy.com
8
Inthispicture,thevalveisintheclosed,seatedpositionwiththeseats protected.The linemedia is coloredand the purge/flushmediaisshadedyellow.
Withthevalve,wehavethreesealingelements:Theupstreamprimarymechanicalsealof•theplugagainstthebody.Theinternalstaticpurge,i.e.,steamseal.•Thedownstreamsecondarymechanicalseal•oftheplugagainstthebody.
The plug is slightly lifted (approximately ¼ to ½ inch) causinga high velocity flushing action of the linemedia from the seatareas.
The flushing action is achieved as the compressed purge•mediaisreleasedtobecometheflushmediawhentheplugunseats.Asthevalverotates90degreesbetweenopenandclosed,•theparticulatematterisflushedbackintotheprocess.Theadditionalbenefitofliftingtheplugisthelowfrictionand•lowtorquerequiredtocyclethevalve.
Astheplugrotates,theflushiscontinuouslyfedthroughthetwopurge/flushfeedlines.
Twopointstonote:Thepurge/flushlinesshouldneverbeturnedoffunless•thevalveistobemaintainedorremovedfromtheline.Carefulsizingofthesteammanifold(assumingthat•steamisthepurge/flushmediumofchoice)iscriticalaswellasthetrappingandinsulationofthesteamlines.
Theplugisseatedintheopenpositionwiththeseatsonceagainprotected.
Seatingoftheplugautomaticallystopstheflushingprocess•and the purging is resumed, creating a purge seal orbarrier.
OPEN
OPEN
PLUG IS CLOSED;SEATS PROTECTED.
OPEN
OPEN
OPERATOR SLIGHTLYLIFTS PLUG.
OPEN
OPEN
OPERATOR ROTATESPLUG 90TO OPEN POSITION.
OPEN
OPEN
OPERATOR RESEATSPLUG IN OPENPOSITION;SEATS PROTECTED.
Illustrated Purging Process
www.craneenergy.com
9
Effective and Versatile
Crane’sPacificWedgeplugnon-lubricatedmetalseatedplugvalveswerebornmorethan80yearsagotoaddressvalvingproblemsassociatedwithcatalystcrackingservice.Today,theyarefoundreadilyinhot,dirtyandsevereapplicationsthroughouttherefinery,includingdelayedcoking,ethylenecracking,asphaltproductionandresiduereduction.Performance Advantages
Compared with alternative valve designs, Pacific Wedgeplug providessuperior protection from: erosion damage; solids build-up on sealingsurfaces and in cavities; residual freeze up which can prevent operationandcauseleakageduetopackingwear.
Specifically, Pacific Wedgeplug features:
• Simpledesignwithonlythreemajorcomponents.• EasylowtorqueoperationwithWedgetorque™lift,rotate,reseat designpreventingseatwear.• In-linerepair,asignificantoperatingandmaintenancecostsavingbenefit.
Quality Assured
PacificWedgeplug valves are designed to ASME B16.34, API Standard599 and API Standard 600, latest edition, where applicable. Testingis to API Standard 598, latest edition. Special hydrostatic testing andnon-destructiveexaminationsareavailable.
Product/Market Overview
www.craneenergy.com
10
*Standard packing is recommended for most applications to 850°F (455°C). However, in certain applications it may be necessary to use special high temperature packing. Please consult factory when ordering.
23
10
3
18
7131914
16
20
5
22
21
24
615812114917
2
1
Carbon Steel 316 Stainless 5Cr (A-217 C5) 9Cr (A-217 C12)
Note: Pacific Wedgeplug intent is to show typical materials of construction. Materials are subject to change without notice and without obligations. Other material and combinations are available.
ITEM ASTM SPEC
1 A-217GradeC12
2 A-217GradeC12
3 CarbonSteel
4 A-217GradeC12
5 A-276Type410
6 Steel
7 A-216GradeWCB
8 A-395Ductile
9 A-276Type410
10 Steel
11 Graphoil
12 A-193GradeB16
13 A-193GradeB7
14 A-194Grade4
15 A-563GradeA
16 A-276Type410
17 A-276Type410
18 Steel
19 Steel
20 A-276Type410
21 Steel
22
23 A-307GradeA
24
ITEM ASTM SPEC
1 A-217GradeC5
2 A-217GradeC12
3 CarbonSteel
4 A-217GradeC5
5 A-276Type410
6 Steel
7 A-216GradeWCB
8 A-395Ductile
9 A-276Type410
10 Steel
11 Graphoil
12 A-193GradeB16
13 A-307GradeA
14 A-194Grade4
15 A-563GradeA
16 A-276Type410
17 A-276Type410
18 Steel
19 Steel
20 A-276Type410
21 Steel
22
23 A-307GradeA
24
ITEM ASTM SPEC
1 A-351GradeCF8M
2 Stellite
3 CarbonSteel
4 A-351GradeCF8M
5 A-276Type316
6 Steel
7 A-216GradeWCB
8 A-395Ductile
9 A-276Type316
10 Steel
11 Graphoil
12 A-193GradeB8M
13 A-307GradeA
14 A-194Grade8M
15 A-563GradeA
16 A-276Type316
17 A-276Type316
18 Steel
19 Steel
20 A-276Type316
21 Steel
22
23 A-307GradeA
24
ITEM DESCRIPTION ASTM SPEC
1 Bodywithoptionalhardfacing A-216GradeWCB
2 Plug(Hardened) A-217GradeC12
3 Yoke CarbonSteel
4 Bonnet A-216GradeWCB
5 Stem A-276Type410
6 PositionIndicator Steel
7 Pkg.GlandFlg. A-216GradeWCB
8 Pkg.Gland A-395Ductile
9 GasketBonnet Steel
10 Handwheel Steel
11 *Packing Graphoil
12 BonnetStud A-193GradeB7
13 Eyebolts A-307GradeA
14 Nut,BonnetStud A-194Grade2H
15 Nut,PackingGlandFlange A-563GradeA
16 PlugKey A-276Type410
17 PlugKeyRetainer A-276Type410
18 KeeperPin,Indicator Steel
19 KeeperPin,Eyebolt Steel
20 PipePlug CarbonSteel
21 LubricatingFitting Steel
22 GearHousing(AUMA)
23 CapScrew,GearHousing A-307GradeA
24 Wedgetorque™Operator
Materials of Construction
www.craneenergy.com
PACIFIC VALVES WEDGEPLUG DATA SHEET Phone: 562-426-2531 • Fax: 562-595-9717 • Email: [email protected]
PurchaseOrderNo. Customer:
CustomerInquiryNo. Rev. Date: EndUser:
PacificQuoteNo. Rev. Date ProjectName:
PacificSalesOrderNo. Location:
1
GENERAL
ItemNo. 37
OPERAT
OR
ManualOperator
2 TagNo. 38 ActuatorType
3 Quantity 39 Manufacturer/Model
4 ValveType Wedgeplug 40 Op.StemTurnstoOpen
5 StemOrientation 41 CycleTime
6 FlangeSize 42 PowerSupplyAvailable
7 FlangeRating 43 FrequencyofOperation
8 44 Elec.HousingStandard
9 45 Accessories
10
SERVICECONDITIO
NS
Application 46
11
Des
ign Pressure 47
12 Temperature 48
13 Shut-offPressure 49
14
Normal Pressure 50
OPTIO
NS
O-Seal(Teflon®Seats)
15 Temperature 51 SteamJacket
16 Shut-offPressure 52 ExtendedBonnetw/Fins
17 Media 53 ChainWheel
18 ValveCv 54 LiveLoadedPacking
19 SolidsPresent 55 NDERequirement
20 AdditionalInfo 56 NACE(MR-01-75)
21 57 Other
22 58
23
BODY/TRIM
Nom.BodySize 59
PURGE
PurgePressure
24 PressureClass 60 PurgeMedia
25 ValvePortSize 61 ConnectionType
26 Body/BonnetMat. 62 PurgeSize
27 EndConn.Type 63 No.ofPurge
28 EndConn.Size 64 Location
29 IntegralSeatMat. 65
30 Plug(Hardened) 66
MISC. ApproximateWeight
31 StemMaterial 67 End-to-EndDimensions
32 StemPacking 68 Other
33 TrunnionMounted 69
34 70
35 71
36 72
73 PV FIGURE NO.
Notes / Special Instructions:
74
75
76
77
78
79
80
81
82
83
84
85 PreparedBy: Rev: Date: Signature:
A B C D E F
G T
11
PACIFIC VALVES
CRANE Energy Global Headquarters
4526 Research Forest Drive, Suite 400
The Woodlands, Texas 77381 U.S.A.
Tel.: (1) 936-271-6500
Fax.: (1) 936-271-6510
Pacific Valves Customer Service
3201 Walnut Avenue
Signal Hill, CA 90755
Tel.: (1) 562-426-2531
Fax.: (1) 562-595-9717
CRANE Energy Flow Solutions®
www.craneenergy.com
Crane Co., and its subsidiaries cannot accept responsibility for possible errors in catalogues, brochures, other printed materials, and website information. Crane Co. reserves the right to alter its products without notice, including products already on order provided that such alteration can be made without changes being necessary in specifications already agreed. All trademarks in this material are property of the Crane Co. or its subsidiaries. The Crane and Crane brands logotype (Aloyco®, Center Line®, Compac-Noz®, Crane®, Duo-Chek®, Flowseal®, Jenkins®, Krombach®, Noz-Chek®, Pacific Valves®, Stockham®, Triangle®, Uni-Chek®) are registered trademarks of Crane Co. All rights reserved.
© 2011 CRANE Energy Flow Solutions, www.craneenergy.com
EG-P
C-BU
-EN
-L16
-37-
1111
(CV-
408)
www.flowoffluids.com
®
NUCLEAR
