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Experience In Motion HSO/HDO General and Special Purpose Barrel Pumps for the Oil and Gas Industry ISO 13709/API 610 (BB5) Experience In Motion

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  • Experience In Motion

    HSO/HDOGeneral and Special Purpose Barrel Pumps

    for the Oil and Gas IndustryISO 13709/API 610 (BB5)

    Experience In Motion

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    Flowserve is the driving force in the global industrial pump marketplace. No other pump company in the world has the depth or breadth of expertise in the successful application of pre-engineered, engineered and special purpose pumps and systems.

    Life Cycle Cost SolutionsFlowserve is providing pumping solutions which permit customers to reduce total life cycle costs and improve productivity, profitability and pumping system reliability.

    Market Focused Customer SupportProduct and industry specialists develop effective proposals and solutions directed toward market and customer prefer-ences. They offer technical advice and assistance throughout each stage of the product life cycle, beginning with the inquiry.

    Broad Product LinesFlowserve offers a wide range of complementary pump types, from pre-engineered process pumps, to highly engineered and special purpose pumps and systems. Pumps are built to recognized global standards and customer specifications.

    Pump designs include:Single stage processBetween bearing single stageBetween bearing multistageVerticalSubmersible motorRotaryReciprocatingNuclearSpecialty

    Pump Supplier to the WorldProduct Brands of Distinction

    ACEC Centrifugal Pumps

    Aldrich Pumps

    Byron Jackson Pumps

    Calder Energy Recovery Devices

    Cameron Pumps

    Durco Process Pumps

    Flowserve Pumps

    IDP Pumps

    Lawrence Pumps

    Niigata Worthington Pumps

    Pacific Pumps

    Pleuger Pumps

    Scienco Pumps

    Sier-Bath Rotary Pumps

    TKL Pumps

    United Centrifugal Pumps

    Western Land Roller Irrigation Pumps

    Wilson-Snyder Pumps

    Worthington Pumps

    Worthington Simpson Pumps

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    HSO/HDOGeneral and Special Purpose Barrel Pumps for the Oil and Gas IndustryISO 13709/API 610 (BB5)

    The Preferred Supplier for Oil and Gas Barrel Pumps

    For over 150 years, Flowserve has pioneered virtually every significant advancement in petroleum-related pumping technology. Its ability to understand the industrys high-pressure pumping needs is evidenced by its numerous innovative barrel pump designs and the HSO/HDO pumps are no exceptions.

    Rated for discharge pressures to 450 bar (6600 psi), HSO/HDO pumps are manufactured to customer specifica-tions, often exceeding ISO 13709/API 610 (BB5). These pumps feature opposed impellers and dual volute designs, resulting in nearly balanced axial hydraulic thrust over the full operating range of the pumps.

    HSO: Single-suction, first-stage impellerHDO: Double-suction, first-stage impeller

    A Foundation of Innovation and LeadershipSince 1926 when the company developed the first double-case pump for hot oil, Flowserve has been in the vanguard of pump development for the oil and gas industry. This leadership position was reinforced in 1934 with the introduction of high-pressure water and CO2 injection pumps and cemented in 1982 when it built the worlds largest water injection pump a 17 900 kW (24 000 hp) behemoth.

    Reflecting its leadership position, Flowserve was heavily involved in establishing the API 610 (BB5) standard governing the construction of double-case pumps. From water injection and pipeline to charge and decoking, Flowserve is the pre-ferred provider of double-case pump technology worldwide.

    Typical ApplicationsWater injectionPipelineAmine feedHydrocarbon chargeEthylene feedAcid gas reinjectionHydraulic power recovery turbineCO2 injection

    Complementary Pump DesignsFlowserve offers a full range of horizontal and vertical process pumps for the oil and gas industries. These pumps are CE compliant and meet or exceed the criteria of ISO 13709/API 610, latest edition. Examples include:

    HPX overhung process pump (OH2)HDX double-suction process pump (BB2)HED two-stage process pump (BB2)VPC canned vertical turbine (VS6)


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    HSO/HDOGeneral and Special Purpose Barrel Pumps for the Oil and Gas IndustryISO 13709/API 610 (BB5)

    The Flowserve model HSO/HDO is a unique member of the double-case barrel pump family in that it is offered in both General Purpose and Special Purpose configurations.

    The General Purpose HSO/HDO is ideal for users who prefer an installed spare and a volute design. With a hydraulic envelope that fits many general service applications, the versatile HSO/HDO offers a volute solution for customers who do not need the premium design features and expense of a Special Purpose pump.

    For applications that require the highest reliability and the features of a volute design, the Special Purpose HSO/HDO is the optimum choice. The Special Purpose HSO/HDO retains all of the advantages of a volute double-case while offering enhanced features for service in critical processes.

    Operating Parameters Flows to 4000 m3/h (17 600 US gpm)Heads to 5365 m (16 000 ft)Pressures to 450 bar (6525 psi)Temperatures to 425C (800F)Speeds to 9000 rpm

    Features and BenefitsWrought Shafts are incrementally stepped at each impeller fit for ease of assembly. The standard shaft extension is a NEMA taper.

    Precision-Cast Opposed Impellers improve hydraulic efficiency and performance repeatability. Impellers are secured to the shaft with a shrink fit. Axial movement is prevented by split rings. Standard single-suction (HSO) or optional double-suction (HDO) first-stage impellers provide the flexibility to meet a variety of NPSH requirements.

    Optional Grooved Impeller Running Fits increase the pumps tolerance to foreign materials and desensitizes it during start-up, stopping and system transients.

    Extra Long Center Stage Piece breaks down 50% of the discharge pressure to the intermediate stage before the long crossover. It is overlaid with a hard wear surface to eliminate damage from the mating impeller wear surfaces.

    Dynamically Balanced Rotor provides excellent rotor dynamic stability. The fully assembled rotor is balanced as a complete unit and installed in the volute casing.

    Split Construction Stage Pieces ease installation in the volute casing.

    Double Volute Casing Design consists of hydrauli-cally identical halves which feature dual volutes with outlets 180 apart. This design essentially balances radial loads at all operational points, reducing harmful vibration and ensuring dependable performance.


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    Sag Boring Prolongs Wear Ring LifeSag boring is applied to all volutes nine stages and higher. The bottom volute casing is bored in incremental steps towards the center. This design accommodates the static deflection of the rotating assembly caused by the weight of the shaft and impellers when the pump is not operating. During start-up the shaft will straighten and casing rings will slide upwards to maintain clearances. This process eliminates rubbing of wear rings commonly found with slender shaft and high numbers of stages.

    Robust Bearing SystemSleeve journal radial bearings and tilting pad thrust bear-ings are standard, utilizing either air, fan or water cooling as needed. Duplex ball thrust bearings are available where appropriate and permitted by ISO 13709/API 610 (BB5).

    Forged Barrel Casing, Suction and Discharge HeadsThe barrel casing and discharge head houses the pump cartridge and is a split pressure level design. A full dis-charge pressure rated barrel design is also available.

    Forged pressure containment parts are provided in the following materials:

    Carbon steel overlaid with stainless steel at all critical metal-to-metal seating fits and high-velocity areas

    Stainless steelsDuplex and super duplex stainless steelsCarbon steel overlaid with Inconel on all wetted areas

    Alternative materials are available to suit individual service requirements.

    The bolted discharge head features only one high- pressure, fully confined, circular compression gasketed sealing joint to the atmosphere for superior reliability. An optional bolted suction head also is available.

    Numerous Nozzle ConfigurationsNozzles on HSO/HDO pumps have standard raised face flanges. Nozzle orientation can be adjusted to suit site requirements. Weld-end, ring-type joint, and tongue and groove flanges are optional configurations.

    Volute Locating Ring Improves AlignmentHSO/HDO pumps employ a volute locating ring (see adja-cent illustration) to align and position the discharge cover and volute. This hard metal ring replaces metal spacer gaskets, which may become dislodged during assembly. Inconel is a registered trademark of International Nickel Company, Inc.

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    Advanced Close Clearance TechnologiesFor severe services the HSO/HDO is available with state-of-the-art erosion- and abrasion-resistant materials in the running fits. These materials are applied by various processes to ensure the ultimate in reliability for even the harshest environments:

    Throughhardening:Metallurgicallyaltersthemicro-structure of the metal component, resulting in a solid hard wearing part.

    Superhardoverlay:Asecondmaterialpossessingthedesired wear characteristics, like tungsten carbide or Stellite 6, is overlaid onto the base metal via the HVOF or Direct Laser Deposit processes.


    Flowserve will advise which materials and processes are recommended based on the specifics of the actual application. Stellite is a registered trademark of Deloro Stellite.

    Optional grooved wear surface shown on impeller hub.

    Options and Technical Data

    Available API Special Purpose DesignAs the industry moves to higher pressure applications, the volute design with its opposed impellers offers the benefit of balancing hydraulic thrust over the pumps entire operating range. For this reason, API Special Purpose design HSO/HDO pumps are well suited to higher pressure applications.

    In addition to offering hydraulic balance, the HSO/HDO API Special Purpose design pump has an extreme focus on durability and reliability. It achieves this through a no-compromise rotor design featuring an extra large diameter shaft. It also employs advanced materials, auxiliary seal and lubrication systems, all precisely engineered for unspared service where the loss of the pump will jeopardize the users process. Barrel designs can be modified to meet special customer requirements.

    Tested To Ensure Performance Each HSO/HDO pump is performance tested in accordance with API and Hydraulic Institute testing standards to ensure the unit meets the specified design conditions. Pumps can be tested at full flow, pressure and speed, up to 18 650 kW (25 000 hp).

    Hydraulic OptionsWith the industrys most extensive and sophisti-cated library of hydraulic designs for barrel pumps, Flowserve can offer customized and optimized pump performance for the most difficult applications. Flowserve engineers employ leading edge techniques that can extend the operating range of the pump or mitigate the risks of damage caused by cavitation.

  • flowserve.com

    Global Service and Technical Support


    Typically, 90% of the total life cycle cost (LCC) of a pumping system is accumulated after the equipment is purchased and installed. Flowserve has developed a comprehensive suite of solutions aimed at providing customers with unprecedented value and cost savings throughout the life span of the pumping system. These solutions account for every facet of life cycle cost, including:

    Capital Expenses Initial purchase Installation

    Life Cycle Cost Solutions Typical Pump Life Cycle Costs1


    Maintenance and Repair

    Loss of Production

    Purchase and Installation


    Decontamination and Removal


    44% 17%



    Operating ExpensesEnergy consumptionMaintenanceProduction lossesEnvironmental InventoryOperatingRemoval

    Innovative Life Cycle Cost Solutions

    NewPumpSelection TurnkeyEngineeringandFieldService EnergyManagement PumpAvailability ProactiveMaintenance InventoryManagement

    1 While exact values may differ, these percentages are consistent with those published by leading pump manufacturers and end users, as well as industry associations and government agencies worldwide.

  • flowserve.com

    USA and CanadaFlowserve Corporation5215 North OConnor Blvd. Suite 2300Irving, Texas 75039-5421 USATelephone: +1 937 890 5839

    Europe, Middle East, Africa Flowserve CorporationGebouw HagepointWestbroek 39-514822 ZX Breda NetherlandsTelephone: +31 76 502 8920

    Latin America Flowserve Corporation MartnRodriguez4460B1644CGN-Victoria-San Fernando Buenos Aires, Argentina Telephone: +54 11 4006 8700 Telefax: +54 11 4714 1610

    Asia Pacific Flowserve Pte. Ltd.10 Tuas Loop Singapore 637345 Telephone: +65 6771 0600Telefax: +65 6779 4607

    Bulletin XX-XX-XX (E) Printed in USA. October 2007. Flowserve Corporation

    To find your local Flowserve representative:

    For more information about Flowserve Corporation,visit www.flowserve.com or call +1 937 890 5839

    Bulletin PS-30-8a (E) Printed in USA. September 2010. Flowserve Corporation