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    AI Overview
    Bb4 Horizontal Self-Balanced High Pressure High Temperature ...
    BB4 chemical centrifugal pumps are API 610 (12th edition) compliant, between-bearings, radially split, multistage ring-section pumps designed for high-pressure, high-temperature, and corrosive applications in chemical, petrochemical, and power industries. They are designed for reliability in demanding processes, often used as boiler feed or hydrocarbon pumps. 
    Key Features and Design 
    • Structure: Single-casing, segmented (ring section) design with impellers typically arranged in the same direction.
    • API 610 Compliance: Specifically, they are designed for heavy-duty applications, often meeting API 610 BB4 standards.
    • Handling: Suitable for high pressure (up to 350 barg) and high temperatures (up to 250°C).
    • Configurations: Available with center-line mounting for high-temperature stability, with options for single or double suction.
    • Materials: Engineered for corrosion resistance using specialized metals like stainless steel, duplex steel, or titanium. 
    Common Applications 
    • Boiler Feed Water: Often used in combined cycle power plants.
    • Chemical/Petrochemical Processes: Handling corrosive, high-pressure, or high-temperature fluids.
    • Desalination: High-pressure seawater reverse osmosis systems.
    • Oil and Gas: Water injection systems and refinery processing. 
    Comparison with Other Pumps 
    • BB4 vs. BB5: BB4 is a segmental ring pump, whereas BB5 is a double-casing (barrel) pump, making BB5 more suited for extreme pressure/temperature scenarios.
    • BB4 vs. BB3: BB4 typically uses a single-casing radially split design, often used for heavy-duty, while BB3 is axially split. 
    Examples of BB4 manufacturers and models include Baker Hughes (BB4 DDHF/R) and Rodelta (RGH/RGV). 
    • API610 Bb4 Multi-Stage Sectional Chemical Pump High Pressure ...
      API610 Bb4 Multi-Stage Sectional Chemical Pump High Pressure Corrosive Resistance Stainless Steel Centrifugal Pump * Reverse osmos...
      Made-in-China.com
    • China Good Wholesale Vendors Chemical Centrifugal Pump
      Good Wholesale Vendors Chemical Centrifugal Pump - MC Series Horizontal Multistage Centrifugal High Pressure API 610 BB4 Chemical ...
      www.tkflopumps.com
    • Bb4 (FMC) Multistage Chemical Pump with High Pressure ...
      Details. BB4 (FMC) Multistage Chemical Pump with High Pressure High Temperature for Oil and Gas Centrifugal Pump Feed Hot Water. .
      Jiangsu Feiyue Pump Co., Ltd.
    Show all
    • API610 Bb4 Multi-Stage Sectional Chemical Pump High Pressure ...
      API610 Bb4 Multi-Stage Sectional Chemical Pump High Pressure Corrosive Resistance Stainless Steel Centrifugal Pump * Reverse osmos...
      Made-in-China.com
    • China Good Wholesale Vendors Chemical Centrifugal Pump
      Good Wholesale Vendors Chemical Centrifugal Pump - MC Series Horizontal Multistage Centrifugal High Pressure API 610 BB4 Chemical ...
      www.tkflopumps.com
    • Bb4 (FMC) Multistage Chemical Pump with High Pressure ...
      Details. BB4 (FMC) Multistage Chemical Pump with High Pressure High Temperature for Oil and Gas Centrifugal Pump Feed Hot Water. .
      Jiangsu Feiyue Pump Co., Ltd.
    • China Horizontal High Pressure Chemical Bb4 Multistage ...
      Product Details. ... Scope of application: This series of products are used for water supply of medium, low pressure and sub high ...
      Made-in-China.com
    • What is the Structural Differences between BB4 and BB5 pumps
      May 6, 2025 — BB4 pumps are single - casing, segmented, and horizontally multi - stage centrifugal pumps with the impellers arranged in the same...
      Anhui Huasheng Pumps & Valves Co., Ltd.
    • Differences Between Centrifugal Pump Type BB3 and Type BB4
      Sep 4, 2025 — Centrifugal Pump Type BB4 mostly adopts a single mechanical seal structure, which achieves sealing through only one set of sealing...
      TEFFIKO
    • Centrifugal pump - BB4 DDHF/R - Baker Hughes - DirectIndustry
      This pump family is designed to work in a demanding environment, delivering pressure as high as 350 barg, withstanding process tem...
      DirectIndustry
    • Video Session 21 BB4 Multistage Pumps for the Power Industry
      Mar 15, 2023 — so far we don't like to put them up too soon after the live presentations. or people will not bother to attend and just download t...
      16m
      YouTube·Ruhrpumpen Group
    • RGH, RGV (BB4) - Rodelta Pumps International
      The BB4 type, RGH is a multistage centrifugal pump with side suction, vertical delivery and horizontal pump with diffuser type cas...
      Rodelta Pumps International
    • Chemical Pump BB4
      Chemical pump BB4 designed for reliable operation in demanding chemical processes. API BB4 between-bearings structure ensures stab...
      sdppump.com
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    Web results

    BB4 DDHF/R radially split ring section diffuser pumps


    Baker Hughes
    https://www.bakerhughes.com › centrifugal-pumps › bb4
    Baker Hughes
    https://www.bakerhughes.com › centrifugal-pumps › bb4
    This pump family is designed to work in a demanding environment, delivering pressure as high as 350 barg, withstanding process temperatures up to 250°C.Read more

    Chemical Pump BB4


    SDP Pump
    https://sdppump.com › Shop
    SDP Pump
    https://sdppump.com › Shop
    Chemical pump BB4 designed for reliable operation in demanding chemical processes. API BB4 between-bearings structure ensures stability and durability.

    BB4 centrifugal pump


    Anhui Huasheng Pumps & Valves Co., Ltd.
    https://www.cnhs-pump.com › bb4-centrifugal-pump
    Anhui Huasheng Pumps & Valves Co., Ltd.
    https://www.cnhs-pump.com › bb4-centrifugal-pump
    Professional BB4 centrifugal pump manufacturer, providing you with customized pump solutions. 15+ years of experience in sea/rail/road transport ...
    Videos
    The BB4 Multistage Pumps for the Power Industry | Short ...
    YouTube · Ruhrpumpen Group
    1 week ago
    YouTube · Ruhrpumpen Group
    40:17
    Ruhrpumpen Group
    YouTube·
    Apr 17, 2026

    The BB4 Multistage Pumps for the Power Industry | Short ...

    YouTube·Ruhrpumpen Group·Apr 17, 2026
    YouTube
    Video Session 21 BB4 Multistage Pumps for the Power Industry
    YouTube · Ruhrpumpen Group
    Mar 15, 2023
    YouTube · Ruhrpumpen Group
    52:17
    Learn about BB4 pumps, their design features, and efficiency considerations for boiler feed water service in power plants.
    Ruhrpumpen Group
    YouTube·
    Mar 15, 2023

    Video Session 21 BB4 Multistage Pumps for the Power Industry

    YouTube·Ruhrpumpen Group·Mar 15, 2023
    YouTube
    In this video
    • 01:25
      Previous Short Courses
    • 04:20
      Power Industry
    • 10:27
      Which One Do You Buy
    • 16:32
      Pump Design and Features
    • 20:31
      Thrust Balancing
    • 22:49
      Impeller Mounting
    • 25:37
      Hydraulic Balancing Thrust Balancing
    • 31:16
      Multi-Jack Bolt Tensioning
    • 37:32
      Pump Curves
    • 47:05
      Initial Efficiency versus Sustainable Efficiency Calculation Cost Calculation
    Videos about What is Bb4 Type Multistage Centrifugal Pumps
    Made-in-China.com
    Jun 4, 2010
    Made-in-China.com
    0:14
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    Web results

    DGC Series (BB4) Magnetic Driven Multistage Centrifugal ...


    Beloni (Jiangsu) Pump Manufacturing Co., Ltd
    https://www.centrifugalpumpfactory.com › chemical-pump
    Beloni (Jiangsu) Pump Manufacturing Co., Ltd
    https://www.centrifugalpumpfactory.com › chemical-pump
    Suitable for transporting flammable, explosive, toxic, and harmful media that do not contain solid particles and other media that require no leakage and do not ...Read more

    Differences Between Centrifugal Pump Type BB3 and ...


    TEFFIKO
    https://www.teffiko.com › News › Industry News
    TEFFIKO
    https://www.teffiko.com › News › Industry News
    Sep 4, 2025 — Centrifugal Pump Type BB4 mostly adopts a single mechanical seal ... API OH1 ...Read more
    People also ask
    What is the difference between BB4 and BB5 pumps?
    The BB4 ring-section and BB5 double case pump geometries inherently lend themselves to higher pressure containment. The double case pump type has the highest containment. for pressures exceeding 3,600 psi (250 bar). The BB5 double case pump has fewer sealing joints than the BB4 ring-section pump.Feb 25, 2022

    Selecting the Right Boiler Feed Pump


    Pumps & Systems
    https://www.pumpsandsystems.com › selecting-right-boil...
    Pumps & Systems
    https://www.pumpsandsystems.com › selecting-right-boil...
    What is a BB4 pump?
    High-capacity multi-stage centrifugal pumps are widely used where the delivery of large volumes of high-pressure fluid is needed. This includes providing heated water for SAGD installations in the oilsands, industrial condensate systems, refineries, pipelines and for water desalination by reverse osmosis.

    High-Pressure Multi-Stage Pumps: BB3 vs. BB4 - KSB


    KSB
    https://www.ksb.com › know-how › technical-articles › h...
    KSB
    https://www.ksb.com › know-how › technical-articles › h...
    What is bhp in a centrifugal pump?
    Brake horsepower (BHP) is the actual amount of power that must be supplied to the pump to obtain a particular flow and head. BHP is usually used to select an appropriately sized motor.

    Centrifugal Pump Selection Part 2: Horsepower, Efficiency, & Npsh


    GATE Energy
    https://www.gate.energy › gat2004-gkp-2011-02 › centri...
    GATE Energy
    https://www.gate.energy › gat2004-gkp-2011-02 › centri...
    What is a BB3 pump?
    Description. The ClydeUnion Pumps CUP-BB3 pump is a heavy duty axial split case horizontal, pump with opposing impellers with either single or double suction first stage impeller pumps.

    CUP-BB3 | Multi-stage, API, axially split | ClydeUnion Pumps


    Celeros Flow Technology
    https://www.celerosft.com › clydeunion-pumps › products
    Celeros Flow Technology
    https://www.celerosft.com › clydeunion-pumps › products

    Web results

    Horizontal High Pressure Chemical Bb4 Multistage ...


    Made-in-China.com
    https://jiahuabengye.en.made-in-china.com › product
    Made-in-China.com
    https://jiahuabengye.en.made-in-china.com › product
    The product has reasonable performance, energy saving, practicality, high cost performance, flow rate Q: 21~720m3/h, head: 28.8~1000m Temperature range ≤80ºC ...Read more
    5.0 · Review by MIC_BUYER

    Bb4 Multistage Centrifugal Pump(891)


    Alibaba.com
    https://www.alibaba.com › ... › Pumps & Parts › Pumps
    Alibaba.com
    https://www.alibaba.com › ... › Pumps & Parts › Pumps
    A BB4 multistage centrifugal pump is a high-pressure industrial pump designed to move large volumes of liquid through multiple impeller stages, making it ideal ...Read more
    $1,200.00

    China Good Wholesale Vendors Chemical Centrifugal Pump


    tkflopumps.com
    https://www.tkflopumps.com › good-wholesale-vendors...
    tkflopumps.com
    https://www.tkflopumps.com › good-wholesale-vendors...
    Good Wholesale Vendors Chemical Centrifugal Pump - MC Series Horizontal Multistage Centrifugal High Pressure API 610 BB4 Chemical Pumps – Tongke Detail:.Read more

    What is the Structural Differences between BB4 and BB5 ...


    Anhui Huasheng Pumps & Valves Co., Ltd.
    https://www.cnhs-pump.com › what-is-the-structural-diff...
    Anhui Huasheng Pumps & Valves Co., Ltd.
    https://www.cnhs-pump.com › what-is-the-structural-diff...
    May 6, 2025 — BB4 pumps are single - casing, segmented, and horizontally multi - stage centrifugal pumps with the impellers arranged in the same direction.Read more
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