Between Bearing Pumps

  • A-Line Barrel Pumps

    Multi-stage centrifugal pumps 
    Our A-Line pumps are powerful, horizontal, radially split multistage centrifugal pumps of the diffuser type, designed and manufactured in accordance with the latest edition of ISO 13709 and API 610 (BB5 type).

    Boundary lines
    Capacity: up to 1,400 m³/h (6,160 gpm).
    Lifting height: up to 4,200 m (13,776 ft).
    Maximum pressure: up to 450 bar (7,830 psi).
    Temperature: up to 450°C (840°F).
    Flange sizes: 50 to 250 mm (2” to 10”).

    Areas of application
    High-pressure applications, water injection, boiler feed, cogeneration, pipeline, reverse osmosis, amine/ethylene feed, hydrocarbon charge, and hydraulic decoking.

    OVERVIEW
    The A-Line pump series comprises pump models A, AB, ADC, and ADSL, making it available with either in-line or back-to-back impeller configurations. For easy installation and long service intervals, the cartridge element can be supplied as a “full pull-out” design.
    The pumps meet the stringent specifications of the latest edition of API 610 (BB5 configuration) and reflect our many years of experience in the design, manufacture, quality assurance, and operation of process and coking pumps under demanding operating conditions.

    PROPERTIES
    • Robust pump housing.
    • High rotor stability.
    • Low maintenance.
    Pump monitoring.
    Precision cast impellers.
    • Bearing housing.
    • Advanced mechanical seal (in accordance with API 682).
    Hydraulic balancing device.
    • Balance line.

    CONSTRUCTION MATERIALS
    Material combinations in accordance with API 610 standard (other materials available on request).

    DESIGN FEATURES
    • Robust process design in accordance with latest API 610 edition (BB5 type).
    • Horizontal multi-stage configuration.
    Double casing.
    • Radially divided.
    Barrel pump.
    • Bearing span (between bearings).
    • Centerline mounted.
    Axial thrust compensation.
    A-Line pumps are generally in compliance with the ATEX and CE Machinery Directive and are designed for demanding applications.

  • GP Ring-Section Type Pump

    Horizontal multi-stage sectional casing process pump 
    The GP pump is a horizontal multistage centrifugal process pump with a radially split, sectioned casing (ring section type) and bearings at both ends (between bearings). It is available in both non-API and API 610 latest edition (BB4) configurations and is engineered to be the most reliable pump for the most demanding high pressure and high temperature applications across industries.

    Boundary lines
    Capacity: up to 900 m³/h (4,000 gpm).
    Lifting height: up to 4,000 m (13,120 ft).
    Maximum pressure: up to 416 bar (6,000 psi).
    Temperature: up to 205 °C (400 °F).
    Flange sizes: 2″ to 8″.

    Areas of application
    High-pressure and high-temperature applications such as: petrochemical industry, refining, boiler feed water service, descaling, water injection, desalination and reverse osmosis.

    OVERVIEW
    The Ruhrpumpen GP pump is engineered to be the most reliable and efficient pumping solution for the most demanding high-pressure and high-temperature applications across industries.
    The GP pump has a robust yet compact design combined with high-efficiency hydraulics. Its construction ensures superior performance and exceptional reliability along with easy maintenance and minimal operating costs. [1, 2]
    The GP series is available in non-API configurations for power plant and general industry specifications, as well as in accordance with API 610 11th Edition (BB4 type) for oil and gas applications. It is designed to meet Group II, Category 2 G and 3 (for use in zones 1 and 2) of the ATEX Directive 94/9/EC.

    PROPERTIES
    • Horizontal centrifugal pump with bearings at both ends (between bearings).
    • Multistage, radially split, and with a single case.
    • Centerline mounted.
    • Sectional-group pump type.
    • Counter-clockwise (CCW) rotation direction only. [1, 2]

    DESIGN FEATURES AND BENEFITS
    • API 610-compliant (BB4-type) design and heavy-duty industrial configurations are available.
    • Axial thrust balancing via balance disk or balance drum is available.
    The tr-hydraulic in the A and B series is available to match different lifting height/flow requirements with maximum efficiency.
    • First-stage impeller in low-NPSH design (type IS) is available.
    • Alternative hydraulic series (IM type) optimised for interstage take-off.
    • Cold starting is possible in most applications (no preheating required).
    • More options for rental configurations.
    • Optimised intermediate step hydraulics (type IM) for intermediate step tapping.
    • Standard construction materials in accordance with API 610 (other materials supplied on request).
    • A centre-line mounted pump housing ensures optimal performance during high-temperature operation.
    “Blind” brackets are available for future upgrades. [1, 2, 3, 4]

  • GPA – Multistage Centrifugal Ring Section Pump

    Radially split, two-stage, API 610 (BB2-type) horizontal pumps
    Multi-stage centrifugal pumps with sectional casing (ring section / segmental type) and modular design. The stage elements are configured in series and sealed with O-rings, which are tightened together by external tie bolts. [1]

    PROPERTIES
    Axial thrust is counteracted hydraulically by a balance drum.
    Axial loads are absorbed by angular contact ball bearings.
    Materials: Ductile iron, cast steel, stainless steel and Duplex.

    MARKET
    • General water supply
    Pressure boosting
    • Municipal water supply
    • Drinking water supply
    • Irrigation
    Boiler feed water
    Hot water
    Circulation
    Condensate
    Distillate
    Industry
    • Filter systems
    Washing systems

    CONSTRUCTION MATERIALS
    Construction materials in accordance with API 610 (other materials supplied upon request).

  • HSC Split Case Pump

    Horizontally, axially split four-box pump (BB1)
    The HSC pump is a horizontal, single-stage, axially split, four-bearing centrifugal pump with a double volute casing, designed and manufactured in accordance with the Hydraulic Institute (HI) standard (BB1 type). It is part of the HS/ZW series of split-case pumps from Ruhrpumpen, which includes the following models: HSD, HSL, HSR, HSM and ZW.

    Boundary lines
    Capacity: up to 31,800 m³/h (140,000 gpm).
    Lift height: up to 168 m (550 ft).
    Maximum pressure: up to 28 bar (400 psi).
    Temperature: 10 to 150 °C (50 to 300 °F).
    Flanges: sizes from 5” to 36”.

    Areas of application
    Petrochemical industry, general industrial applications, power plants, municipal water systems, mining, and firefighting.

    FEATURES AND DESIGN CHARACTERISTICS
    Horizontal, single-stage centrifugal pump with axially split casing and bearings at both ends (between bearings).
    • Hydraulic Institute (HI) design – BB1 type.
    • High efficiency, foot-mounted design.
    • Axially split casing with a double volute casing, which minimises radial forces.
    Flanged connections.
    • Side-side stud configuration (inlet and outlet on the side).
    • Double-suction, closed impellers ensure hydraulic balance and eliminate axial thrust.
    • Rotation direction clockwise or anti-clockwise.
    • Grease or oil lubricated bearings.
    • Stuffing box configured for packing or mechanical seal.
    Renewable wear rings.
    • Horizontal or vertical mounting configuration is available. [1]
    For API construction, please refer to the ZM pump series.

    CONSTRUCTION MATERIALS
    Cast iron
    • Cast iron with stainless steel internal components (stainless steel fitted)
    Helbronze
    • WCB-grade carbon steel
    • All-stainless steel
    Other materials are available on request.

    PUMP FOR SAFE DRINKING WATER
    HSC complies with NSF ANSI 61/372 and meets the latest lead-free requirements of the US Safe Drinking Water Act.

  • HSD Split Case Pump

    Horizontally, axially split four-box pump (BB1)
    The HSD pump is a horizontal, single-stage, axially split four-box centrifugal pump designed and built in accordance with the Hydraulic Institute (HI) standard (BB1 type) [1]. It is part of Ruhrpumpen's HS/ZW series of split-case pumps, which includes the following models: HSC, HSL, HSR, HSM, and ZW.

    Boundary lines
    Capacity: up to 1,590 m³/h (7,000 gpm)
    Lifting height: up to 168 m (550 ft)
    Maximum pressure: up to 18 bar (250 psi)
    Temperature: 10 to 120 °C (50 to 250 °F)
    Outlet flanges: sizes from 1½” to 12”

    Areas of application
    Petrochemical industry, general industrial applications, power plants, municipal water systems, mining, and firefighting

    FEATURES AND DESIGN CHARACTERISTICS
    Horizontal, single-stage centrifugal pump with axially split casing and bearings at both ends (between bearings).
    • Hydraulic Institute (HI) design – BB1 type.
    • High efficiency, foot-mounted design.
    • Axially split casing with single volute, which minimises radial forces.
    Flanged connections.
    • Side-side stud configuration (inlet and outlet on the side).
    • Double-suction, closed impellers ensure hydraulic balance and eliminate axial thrust.
    • Rotation direction clockwise or anti-clockwise.
    • Grease or oil lubricated bearings.
    • Stuffing box configured for packing or mechanical seal.
    Renewable wear rings.
    • Horizontal or vertical mounting configurations are available.
    For API construction, please refer to the ZM pump series.

    STANDARD CONSTRUCTION MATERIALS
    Cast iron
    • Cast iron with stainless steel internal components (stainless steel fitted)
    Helbronze
    • WCB-grade carbon steel
    • All-stainless steel
    Other materials are available upon request.

    Pump for safe drinking water
    HSD complies with NSF ANSI 61/372 and meets the latest lead-free requirements of the US Safe Drinking Water Act.

  • HSM Multi-Stage Split Case Pump

    Horizontal, multi-stage, axially split four-case pump (BB3)
    The HSM pump is a horizontal, multi-stage (2- or 4-stage), axially split four-box centrifugal pump, designed and built to the Hydraulic Institute (HI) standard (BB3 type). It is a heavy-duty pump developed primarily for high-pressure applications, and it is part of Ruhrpumpen's HS/ZW range of split-case pumps, which includes the following models: HSC, HSD, HSL, HSR, and ZW.

    Boundary lines
    Capacity: up to 454 m³/h (2,000 gpm).
    Lifting height: up to 670 m (2,200 ft).
    Maximum pressure: up to 51 bar (740 psi).
    Temperature: up to 121°C (250°F).

    Areas of application
    High-pressure applications such as: boiler feed water, petrochemical industry, pipelines, chemical industry, water cooling as well as circulation water.

    FEATURES AND DESIGN CHARACTERISTICS
    • Hydraulic Institute (HI) design – BB3 type.
    Two- and four-stage centrifugal pump with axially split casing.
    • High efficiency and double volute casing design.
    • Single-suction, closed impellers.
    • Rotation direction anti-clockwise when viewed from the clutch end.
    Oiled bearings.
    Flanged connections.
    • The packing box allows the use of packing or mechanical sealing.

    STANDARD CONSTRUCTION MATERIALS
    • All cast iron
    • Cast iron with bronze fitted internal parts
    Carbon steel with iron-fitted internal parts
    • Cast iron with internal parts in 316 stainless steel (316 SS fitted)
    Other materials are available upon request.

  • HSR Split Case Pump

    Horizontally, axially split four-box pump (BB1)
    The HSR pump is a horizontal, single-stage, axially split four-box centrifugal pump, designed and built in accordance with the Hydraulic Institute (HI) standard (BB1 type). It is part of Ruhrpumpen's HS/ZW series of split-case pumps, which include the HSC, HSD, HSL, HSM, and ZW models.

    Boundary lines
    Capacity: up to 2,050 m³/h (9,000 gpm).
    Lifting height: up to 155 m (500 ft).
    Maximum pressure: up to 28 bar (400 psi).
    Temperature: 10 to 150 °C (50 to 300 °F).
    Flanges: sizes from 1½” to 16”.

    Areas of application
    Petrochemical industry, general industrial applications, power plants, municipal water systems, mining, and firefighting.

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    FEATURES AND DESIGN CHARACTERISTICS
    Horizontal, single-stage centrifugal pump with axially split casing and bearings at both ends (between bearings).
    • Hydraulic Institute (HI) design – BB1 type.
    • High efficiency, foot-mounted design.
    • Axially split casing with single volute, which minimises radial forces.
    Flanged connections.
    • Side-side stud configuration (inlet and outlet on the side).
    • Double-suction, closed impellers ensure hydraulic balance and eliminate axial thrust.
    • Rotation direction clockwise or anti-clockwise.
    • Grease or oil lubricated bearings.
    • Stuffing box configured for packing or mechanical seal.
    Renewable wear rings.
    • Horizontal or vertical mounting configurations are available. [1, 2, 3]
    For API construction, please refer to the ZM pump series.

    STANDARD CONSTRUCTION MATERIALS
    Cast iron
    • Cast iron with stainless steel internal components (stainless steel fitted)
    Helbronze
    • WCB-grade carbon steel
    • All-stainless steel
    Other materials are available upon request.

    Pump for safe drinking water
    HSR complies with NSF ANSI 61/372 and meets the latest lead-free requirements of the US Safe Drinking Water Act. [1]

  • HVN Horizontal Double Suction Pump

    Heavy-duty horizontal process pump in accordance with API 610 (BB2 type)
    The HVN pump series comprises high-performance, horizontal centrifugal process pumps for general-purpose applications, available in more than 30 pump sizes in a single-stage design and in accordance with the latest API 610 standard (BB2 type).

    Boundary lines
    Capacity: 100 to 4,200 m³/h (435 to 18,200 gpm).
    Lift height: 40 to 350 m (135 to 1,150 ft).
    Maximum pressure: up to 40 bar (up to 580 psi).
    Temperature: 135 to 450 °C (275 to 845 °F).

    Areas of application
    Demanding process applications in: refineries, oil fields, petrochemical and chemical plants.

    OVERVIEW
    Ruhrpumpen's HVN pump series consists of heavy-duty centrifugal process pumps for universal applications. The HVN series includes more than 30 pump sizes with 6 different bearing sizes in a single-stage design. It is constructed in accordance with the latest edition of the API 610 standard (BB2 type).

    PROPERTIES
    • Radially split, single-stage, horizontal centrifugal pump.
    • Centreline mounted to API 610.
    • Double volute casing.
    • Double-suction, closed impeller.
    • Modular design system.
    • Top-top stud configuration; other configurations as per special request.

    DESIGN FEATURES
    • Robust process design in accordance with the latest edition of API 610 (BB2 type).
    • Ring lubrication (other methods are available).
    • Option for fan and water cooling.
    • Design with coke crusher is available for heater-charge tasks.
    • Side-side and side-top stud configurations are available.
    • Jacketed pump casings are available for fly ash and similar applications.
    • Aksel med to frie akselender (double ended shaft) er tilgængelig.

    CONSTRUCTION MATERIALS
    Materials in accordance with API 610.
    Other materials are available on request.
    All pumps are available with flanges according to ASME B16.5, 300 lb or alternatively according to DIN 2545, PN 40. For special operating conditions, all relevant ASME or DIN/ISO flanges are available.

  • J Line Horizontal Radially Split Pump

    Heavy-duty single-stage process pump according to API 610 (BB2 type)
    The J-series comprises radially split, single-stage, heavy-duty horizontal process pumps, constructed in accordance with the latest edition of API 610 (BB2 type). The pumps are between-bearings and are designed to serve a wide spectrum of process and industrial applications.

    Boundary lines
    Capacity: up to 6,814 m³/h (30,000 gpm).
    Lifting height: up to 610 m (2,000 ft).
    Maximum pressure: up to 125 bar (1,813 psi).
    Temperature: up to 450°C (850°F).

    Areas of application
    Difficult and high-temperature processes. Industrial applications, including: charge pumping, heat transfer, water injection, and utility booster pumps.

    OVERVIEW
    The J-series pumps are API 610 (BB2-type), radially split, single-stage centrifugal process pumps with double-flow impellers and double volute casings. They are constructed with between-bearings and are designed for continuous, demanding operation in a wide spectrum of process and industrial applications.

    PROPERTIES
    • Radially split, single-stage, horizontal centrifugal pump.
    • Centerline mounted.
    • Double volute casing.
    • Design with a single end cover.
    • Double-suction, closed impeller.
    Axial thrust compensation via the double-flow impeller.
    • Top-top stud configuration; other stud configurations and high-pressure versions are available upon special request.

    DESIGN FEATURES
    • Robust process design in accordance with the latest edition of API 610 (BB2 type).
    • Ring lubrication (other lubrication methods are available).
    • Ball/roller bearings and sleeve/spider bearings, and sleeve/tilting pad bearings are available to meet API or customer requirements.
    • Option for fan and water cooling.
    • Design with coke crusher is available for heater-charge tasks.
    • Side-side and side-top stud configurations are available.
    • High-pressure execution is available on certain sizes.
    • Jacketed pump casings are available for fly ash and similar applications.
    • Aksel med to frie akselender (double ended shaft) er tilgængelig.
    • 180-degree bearing bracket.

    CONSTRUCTION MATERIALS
    • Construction materials to API 610.
    Other materials are available on request.

  • JTN Horizontal Multi-Stage Pump

    Kmultistage process pump in accordance with API 610 (BB3 type)
    The pumps in the JTN series are powerful, horizontal multistage centrifugal pumps for universal applications, constructed in accordance with the latest edition of API 610 (BB3 type).

    Boundary lines
    Capacity: 10 to 480 m³/h (44 to 2,100 gpm).
    Lift height: 100 to 1,200 m (325 to 3,900 ft).
    Maximum pressure: up to 130 bar (1,880 psi).
    Temperature: -20 to 200 °C (-4 to 400 °F).
    Outlet flanges: sizes from 1½” to 6”.

    Areas of application
    Refineries, oil fields, petrochemical plants, chemical factories, pipelines, power stations, boiler circulation, and desalination.

    OVERVIEW
    The JTN pump model is a series of robust, multi-stage, between-bearing pumps with horizontally split casings, suited for a wide variety of applications. The JTN pumps meet the stringent specifications of the latest edition of the API 610 standard (BB3 type) and reflect RP’s many years of experience.

    PROPERTIES
    • Axially split, horizontal multi-stage centrifugal pump.
    • Near-centreline mounted.
    • Diffuser casing.
    Single-flow, closed impeller.
    Axial thrust compensation via opposing impeller groups.
    • Side-side stud configuration (inlet and outlet on the side).

    DESIGN FEATURES
    • Robust process design to API 610 latest edition (BB3 type).
    • Ring lubrication (other lubrication methods are available).
    • Replaceable wear rings for both the pump housing and the impeller.
    • Option for fan and water cooling.

    CONSTRUCTION MATERIALS
    Materials in accordance with API 610.
    Other materials are available on request.

  • RON Horizontal Process Pump

    Radially split, two-stage, API 610 (BB2-type) horizontal pumps
    The pumps in the RON model are powerful, horizontal centrifugal process pumps for universal applications, designed according to the latest edition of API 610 (BB2 type). These horizontal pumps have a modular design, are built in two stages, and are centreline mounted.

    Boundary lines
    Capacity: up to 1,400 m³/h (6,160 gpm).
    Lifting height: up to 4,200 m (13,776 ft).
    Maximum pressure: up to 450 bar (7,830 psi).
    Temperature: up to 450°C (840°F).
    Flange sizes: 50 to 250 mm (2” to 10”).

    Areas of application
    High-pressure applications, water injection, boiler feed, cogeneration, pipeline, reverse osmosis, amine/ethylene feed, hydrocarbon charge, and hydraulic decoking.

    PROPERTIES
    • Radially split, horizontal two-stage centrifugal pump.
    • Centerline mounted.
    • Combined diffuser and volute casing.
    Single-flow, radial, closed impeller.
    • Double-suction impellers on a single stage are supplied on request (model RON-D).
    Axial thrust compensation via opposing impellers.
    • Top-top stud configuration; other configurations available on request.

    DESIGN FEATURES
    • Robust process design in accordance with the latest edition of API 610 (BB2 type).
    • Ring lubrication (other lubrication methods are available).
    • Replaceable wear rings for both the pump housing and the impeller.
    • Option for fan and water cooling.
    • Side-side and side-top stud configurations are available.
    • Design with coke crusher is available for heater-charge tasks.

    CONSTRUCTION MATERIALS
    Construction materials in accordance with API 610 (other materials supplied upon request).

  • SM Horizontal Multi-Stage Pump

    Heavy-duty, axially split multi-stage pump according to API 610 (BB3 type)
    The SM pump model is a powerful, horizontal, axially split, multi-stage volute-type centrifugal pump according to the latest edition of API 610 (BB3 type). It is designed to be robust and reliable, and hydraulic balance is achieved by arranging the impellers in opposed groups.

    Boundary lines
    Capacity: 50 to 3,000 m³/h (220 to 13,209 gpm).
    Lifting height: 200 to 3,000 m (656 to 9,843 ft).
    Maximum pressure: 420 bar (6,000 psi).
    Temperature: up to 205 °C (400 °F).
    Flanges: sizes from 3″ to 14″.

    Areas of application
    Oil fields and terminals, crude oil and oil product pipelines, water pipelines, fluid injection, high-pressure tasks, and power plants.

    PROPERTIES
    • Axially split, horizontal multi-stage centrifugal pump.
    • Near-centreline mounted.
    • Double volute casing.
    Single-flow, closed impeller.
    • Single-stage double-suction impeller for larger flow rates.
    Axial thrust compensation via opposing impeller groups.
    • Side-side stud configuration (inlet and outlet on the side).

    DESIGN FEATURES
    • Robust process design to API 610 latest edition (BB3 type).
    • Ring lubrication (other methods are available).
    • Replaceable wear rings for both the pump housing and the impeller.
    • Sleeve/tilt pad bearing design (plain bearings/segment bearings) is available.
    • Option for fan and liquid cooling. [1]

    CONSTRUCTION MATERIALS
    Materials in accordance with API 610 standard (other materials supplied on request).

  • SMI Horizontal Multi Stage Pump

    Heavy-duty, axially split multi-stage pump according to API 610 (BB3 type)
    The SMI type is a powerful, horizontal, axially split multi-stage volute casing centrifugal pump according to the latest edition of API 610 (BB3 type). It is constructed to be robust and reliable, and hydraulic balance is achieved by arranging the impellers in opposed groups.

    Boundary lines
    Capacity: 50 to 3,000 m³/h (220 to 13,209 gpm).
    Lifting height: 200 to 3,000 m (656 to 9,843 ft).
    Maximum pressure: 420 bar (6,000 psi).
    Temperature: up to 205 °C (400 °F).
    Speed: 2950 rpm at 50 Hz / 3550 rpm at 60 Hz.

    Areas of application
    Oil fields and terminals, crude oil and oil product pipelines, water pipelines, fluid injection, high-pressure tasks, and power plants.

    PROPERTIES
    • Axially split, horizontal multi-stage centrifugal pump.
    • Near-centreline mounted.
    • Double volute casing.
    Single-flow, closed impeller.
    • Single-stage double-suction impeller for larger flow rates.
    Axial thrust compensation via opposing impeller groups.
    • Side-side stud configuration (inlet and outlet on the side).

    DESIGN FEATURES
    • Robust process design to API 610 latest edition (BB3 type).
    • Ring lubrication (other methods are available).
    • Replaceable wear rings for both the pump housing and the impeller.
    • Sleeve/Tilt Pad bearing design (plain bearings/segment bearings) is available.
    • Option for fan and water cooling.

    CONSTRUCTION MATERIALS
    Materials in accordance with API 610 standard (other materials supplied on request).

  • ZLM Horizontal Split Case Pump

    Axially split four-stage centrifugal pumps to API 610 (BB1 type)
    The process and transport pump in the ZLM design has been developed for the most stringent demands. It is a special main pipeline pump recommended for applications where the flow changes during the pipeline's service life.

    Boundary lines
    Capacity: 100 to 20,000 m³/h (440 to 88,057 gpm).
    Lifting height: 10 to 1,200 m (30 to 3,900 ft).
    Maximum pressure: 145 bar (2,103 psi).
    Temperature: up to 205 °C (401 °F).
    Flange Fittings: sizes from 4" to 40".

    Areas of application
    Pipeline services: main pipeline and booster pumps, oil production technology: onshore and offshore, refinery technology, chemical and petrochemical industry, general industry, metallurgical and steel industry, and combined heat and power plants. This pump is specifically recommended for applications where flow changes over the lifetime of the pipeline.

    OVERVIEW
    This horizontal pump with a double-suction impeller and a between-bearing design is perfect for pipeline applications, as it is constructed in accordance with API standards. The additional diffuser ensures high efficiency. By replacing the impeller and diffuser, the best efficiency point (BEP) can be shifted over a wide range to achieve low energy consumption and a long pump life. It can also be used for other purposes.

    PROPERTIES
    Axially split, horizontal, single-stage centrifugal pump.
    • Floor-mounted or near-centreline.
    • Double volute casing.
    Axial thrust compensation via the double-flow, closed impeller.
    • Leading edge diffuser arrangement for high efficiency and low radial forces.
    • Easy replacement of impeller and guide vane for optimal performance over a wide range.
    • Side-side stud configuration (inlet and outlet on the side).

    DESIGN FEATURES
    • Robust process design in accordance with the latest edition of API 610 (BB1 type).
    • Ring lubrication (other methods are available).
    • Replaceable wear rings for both the pump housing and the impeller.
    • Option for fan and water cooling.

    CONSTRUCTION MATERIALS
    Construction materials in accordance with API 610 (other materials supplied on request). [1]

  • ZM horizontal axially split pump

    Axially split four-stage centrifugal pumps to API 610 (BB1 type)
    The ZM pump has been designed for the most demanding processing and transport tasks. These horizontal pumps comply with the latest edition of API 610 and feature a double-flow impeller and a between-bearing design, making them ideal for petrochemical applications. They can also be used for purposes such as low-speed cooling water pump stations.

    Boundary lines
    Capacity: 100 to 20,000 m³/h (440 to 88,057 gpm).
    Lifting height: 10 to 1,200 m (30 to 3,900 ft).
    Maximum pressure: up to 145 bar (2,103 psi).
    Temperature: up to 205 °C (401 °F).
    Flange Fittings: sizes from 4" to 40".

    Areas of application
    Pipeline services: main line and booster pumps, oil production technology: onshore and offshore, refinery technology, chemical and petrochemical industries, general industry, metallurgical and steel industries, and combined heat and power plants.

    PROPERTIES
    • Axially split, horizontal, single- or two-stage (for higher heads) centrifugal pump.
    • Floor-mounted or near-centreline.
    • Double volute casing.
    • Double-suction, closed impeller.
    Axial thrust compensation via the double-flow impeller.
    • Side-side stud configuration (inlet and outlet on the side).

    DESIGN FEATURES
    • Robust process design in accordance with the latest edition of API 610 (BB1 type).
    • Ring lubrication (other methods are available).
    • Replaceable wear rings for both the pump housing and the impeller.
    Option for fan and water cooling.

    CONSTRUCTION MATERIALS
    Materials in accordance with API 610 standard (other materials supplied on request).

  • ZM-I-II Horizontal Split Case Pump

    Axially split four-box centrifugal pumps
    The process and transport pump in the ZM I x2 design has been developed for the most stringent requirements. This is a two-stage horizontal pump for high-pressure applications.

    Boundary lines
    Capacity: 150 to 10,000 m³/h (660 to 44,000 gpm).
    Lifting height: 16 to 400 m (50 to 1,300 ft).
    Maximum pressure: up to 40 bar (580 psi).
    Temperature: -10 to 220 °C (14 to 428 °F).
    Speed: up to 3,600 rpm.

    Areas of application
    Pipeline services: main line and booster pumps, oil production technology: onshore and offshore, refinery technology, chemical and petrochemical industries, general industry, metallurgical and steel industries, and combined heat and power plants.

    OVERVIEW
    This is a two-stage horizontal pump for high-pressure applications, equipped with a double-suction impeller on the first stage and a between-bearing construction. It is perfect for petrochemical applications, as it is constructed in accordance with API standards. It can also be used for other purposes, such as cooling water pumping stations at lower speeds.

    PROPERTIES
    • Axially split, horizontal, two-stage centrifugal pump (for high-pressure applications).
    • Floor-mounted or near-centreline.
    • Double volute casing.
    • Double-suction, closed impeller.
    Axial thrust compensation via the double-flow impeller.
    • Side-side stud configuration (inlet and outlet on the side).
    • Construction materials to API 610.
    Other materials are available on request.

    DESIGN FEATURES
    • Robust process design in accordance with the latest edition of API 610 (BB1 type).
    • Ring-lubrication.
    • Other lubrication methods are available.
    • Replaceable wear rings for both the pump housing and the impeller.
    • Option for fan and water cooling.

  • ZMS Horizontal Split Case Pump

    Axially split two-stage centrifugal pump according to API 610 
    ZMS is a two-stage, horizontal main pipeline pump for the most stringent demands in process and transport applications. Its design includes a double-entry first-stage impeller for NPSH optimisation and a between-bearing construction, which is ideal for petrochemical applications as it complies with the API 610 standard (BB1-type).

    Boundary lines
    Capacity: 100 to 20,000 m³/h (440 to 88,057 gpm).
    Lifting height: 10 to 1,200 m (30 to 3,900 ft).
    Maximum pressure: up to 145 bar (2,103 psi).
    Temperature: up to 205 °C (401 °F).
    Flange Fittings: sizes from 4" to 40".

    Areas of application
    Pipeline services: main line and booster pumps, oil production technology: onshore and offshore, refinery technology, chemical and petrochemical industries, general industry, metallurgical and steel industries, and combined heat and power plants.

    PROPERTIES
    • Axially split, horizontal, two-stage centrifugal pump (for higher head applications).
    • Double-flow first-stage impeller for NPSH optimisation.
    • Floor-mounted or near-centreline.
    • Double volute casing.
    • Closed impeller.
    • Side-side stud configuration (inlet and outlet on the side).

    DESIGN FEATURES
    • Robust process design in accordance with the latest edition of API 610 (BB1 type).
    • Ring-lubrication.
    • Other lubrication methods are available.
    • Replaceable wear rings for both the pump housing and the impeller.
    • Option for fan and water cooling.

    CONSTRUCTION MATERIALS
    Construction materials in accordance with API 610 (other materials supplied upon request).

  • ZW Horizontal Split Case Pump

    Horizontally, axially split four-box pump (BB1)
    The ZW pump is a horizontal, single-stage, axially split four-box centrifugal pump, designed and built in accordance with the Hydraulic Institute (HI) standard (BB1 type). It is part of Ruhrpumpen's HS/ZW series of split-case pumps, which includes the HSC, HSD, HSL, HSR, and HSM models.

    Boundary lines
    Capacity: up to 9,000 m³/h (34,400 gpm).
    Lifting height: up to 340 m (1,115 ft).
    Maximum pressure: up to 98 bar (1,421 psi).
    Temperature: up to 120 °C (248 °F).

    Areas of application
    Petrochemical industry, general industrial applications, power plants, municipal water systems, mining, and firefighting.

    FEATURES AND DESIGN CHARACTERISTICS
    Horizontal, single-stage centrifugal pump with axially split casing and bearings at both ends (between bearings).
    • The innovative design allows for more compact installation and ensures perfect alignment.
    • Hydraulic Institute (HI) design – BB1 type.
    • High efficiency, foot-mounted design.
    • Axially split casing (single or double volute) minimises radial forces and allows operation over a wide capacity range.
    Flanged connections.
    • Side-side stud configuration (inlet and outlet on the side).
    • Double-suction, closed impellers ensure hydraulic balance and eliminate axial thrust.
    • Rotation direction clockwise or anti-clockwise.
    • Grease or oil lubricated bearings.
    • Stuffing box configured for packing or mechanical seal.
    Renewable wear rings.
    • Horizontal or vertical mounting configurations are available.
    For API construction, please refer to the ZM pump series.

    AREAS OF APPLICATION
    • Pumping of clean water, raw water and wastewater, as well as saltwater:
    Cooling towers
    Circulating water
    Raw water transport
    • High and low water lift
    Water pipelines
    Dewatering
    • Irrigation
    Desalination
    • Loading and unloading of ship's cargo
    Fire extinguishing systems.

    STANDARD CONSTRUCTION MATERIALS
    Cast iron
    Other materials are available upon request.

    Pump for safe drinking water
    ZW fulfils NSF ANSI 61/372 and complies with the latest lead-free requirements of the US Safe Drinking Water Act.