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Ruhrpumpen Between Bearing Split Case Pumps
Ruhrpumpen’s Between Bearing Split Case Pumps are engineered for dependable performance in a wide range of demanding applications. Featuring a horizontally split casing and balanced design, they offer efficient operation, easy maintenance, and long service life. These pumps are well-suited for handling large volumes of fluid in various industrial and infrastructure systems.
Features
- Capacity 100 to 20,000 m³/h (440 to 88,057 gpm)
- Head 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)
- Discharge flanges sizes 4' to 40'
- Axially split, horizontal, single or double stage (for higher heads) centrifugal pump
- Foot or Near-centerline mounted
- Double volute casing
- Double suction, closed impeller
- Thrust compensation by double suction impeller
- Side-Side nozzle arrangement
Applications
- Pipeline services
- Oil-extraction technology
- Refinery technology
- General industry
- Metallurgical & steel
- Combined heating
- Power stations
How the ZM Horizontal Split Case Pump Works
The ZM pump is built to meet the rigorous requirements of process and transfer applications. Designed in accordance with the latest API 610 standards, this horizontal, between bearing pump features a double suction impeller, making it well-suited for petrochemical services. It also performs reliably in lower-speed applications such as cooling water pumping stations.
Features
- Capacity 150 to 10,000 m³/h (660 to 44,000 gpm)
- Head 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 min-1 (3,600 rpm)
- Heavy duty process design according to API 610 latest edition (BB1 type).
- Ring oil lubrication.
- Other methods of lubrication available.
- Replaceable wear rings for casing and impeller.
- Fan and Water cooling available.
Applications
- Pipeline services
- Oil-extraction technology
- Refinery technology
- Chemical / Petrochemical
- General industry
- Metallurgical & steel
- Combined heating
- Power stations
How the ZM-I-II Horizontal Split Case Pump Works
The ZM I x2 process and transfer pump is engineered to meet demanding conditions, featuring a two-stage horizontal design for higher pressure applications. With a double suction impeller in the first stage and a between bearing configuration, it offers reliable performance in petrochemical operations and is built to comply with API standards. It is also well-suited for other uses, such as cooling water pumping stations operating at lower speeds.
Features
- Capacity 100 to 20,000 m³/h (440 to 88,057 gpm)
- Head 10 to 1,200 m (30 to 3,900 ft)
- Maximum Pressure 145 bar (2,103 psi)
- Temperature up to 205 °C (401 °F)
- Discharge flanges sizes 4' to 40'
- Ring oil lubrication (other methods available)
- Replaceable wear rings for casing and impeller
- Fan and Water cooling available
Applications
- Pipeline services
- Oil-extraction technology
- Refinery technology
- Chemical / Petrochemical
- General industry
- Metallurgical & steel
- Combined heating
- Power stations
How the ZLM Horizontal Split Case Pump Works
The ZLM process and transfer pump is designed to meet the demanding requirements of main pipeline systems, particularly where flow conditions may change over the pipeline’s lifetime. This horizontal, between bearing pump features a double suction impeller and is built to API standards, making it ideal for pipeline applications. An integrated diffuser enhances efficiency, while the ability to modify the impeller and diffuser allows for broad Best Efficiency Point (BEP) adjustment—reducing power consumption and extending pump life. It is also adaptable for use in other applications.
Features
- Capacity up to 31,800 m³/h (140,000 gpm)
- Head up to 168 m (550 ft)
- Maximum Pressure up to 28 bar (400 psi)
- Temperature 10 to 150 °C (50 to 300 °F)
- Discharge flanges sizes 5'' to 36''
- Hydraulic Institute (HI) design - BB1 type*
- High efficiency, foot mounted design
- Axially split case, double volute design minimizes thrust loads
- Flanged connections
- Side-side nozzle configuration
- Double suction, enclosed impellers
- Clockwise or counterclockwise rotation
- Grease or oil lubricated bearings
- Stuffing box configured for packing or mechanical seal
- Renewable wear rings
- Horizontal or vertical mounting arrangements available
Applications
- Petrochemical
- General industry
- Power generation plants
- Municipal water systems
- Mining operations
- Fire protection service
How the HSC Split Case Pump Works
The HSC pump is a horizontal, single-stage, axially split case centrifugal pump with a double volute design, engineered in accordance with Hydraulic Institute (HI) standards as a BB1 type. It is one of several models in Ruhrpumpen’s HS/ZW split case pump series, which also includes the HSD, HSL, HSR, HSM, and ZW models.
Features
- Capacity up to 9,000 m³/h (34,400 gpm)
- Head up to 340 m (1,115 ft)
- Maximum Pressure up to 98 bar (1,421 psi)
- Temperature up to 120 °C (248 °F)
- Hydraulic Institute (HI) design - BB1 type*
- High efficiency, foot mounted design
- Axially split case, single- and double- volute design
- Flanged connections
- Side-side nozzle configuration
- Double suction, enclosed impellers
- Clockwise or counterclockwise rotation
- Grease or oil lubricated bearings
- Stuffing box configured for packing or mechanical seal
- Renewable wear rings
- Horizontal or vertical mounting arrangements are available
Applications
- Petrochemical
- General industry
- Power generation plants
- Municipal water systems
- Mining operations
- Fire protection service
How the ZW Horizontal Split Case Pump Works
The ZW pump is a horizontal, single-stage, axially split case centrifugal pump designed in compliance with the Hydraulic Institute (HI) BB1 standard. It is part of Ruhrpumpen’s HS/ZW split case pump lineup, which also includes the HSC, HSD, HSL, HSR, and HSM models.
Features
- Capacity 100 to 20,000 m³/h (440 to 88,057 gpm)
- Head 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)
- Discharge flanges sizes 4' to 40'
- Ring Oil Lubrication
- Other methods of lubrication available.
- Replaceable wear rings for casing and impeller
- Fan and Water cooling available
Applications
- Pipeline services
- Oil-extraction technology
- Refinery technology
- Chemical / Petrochemical
- General industry
- Metallurgical & steel
- Combined heating
- Power stations
How the ZMS Horizontal Split Case Pump Works
The ZMS is a two-stage horizontal main pipeline pump engineered for the toughest process and transfer service requirements. It features a first-stage double suction impeller to optimize NPSH performance and a between bearing design, making it ideal for petrochemical applications. The pump is built to meet API 610 (BB1 type) standards.
Features
- Capacity up to 1,590 m³/h (7,000 gpm)
- Head up to 168 m (550 ft)
- Maximum Pressure up to 18 bar (250 psi)
- Temperature 10 to 120 °C (50 to 250 °F)
- Discharge flanges sizes 1½'' to 12''
- Hydraulic Institute (HI) design - BB1 type*
- High efficiency, foot mounted design
- Axially split case, single volute design
- Flanged connections
- Side-side nozzle configuration
- Double suction, enclosed impellers
- Clockwise or counterclockwise rotation
- Grease or oil lubricated bearings
- Stuffing box configured for packing or mechanical seal
- Renewable wear rings
- Horizontal or vertical mounting arrangements available
Applications
- Petrochemical
- General industry
- Power generation plants
- Municipal water systems
- Mining operations
- Fire protection service
How the HSD Split Case Pump Works
The HSD pump is a horizontal, single-stage, axially split case centrifugal pump designed in accordance with the Hydraulic Institute (HI) BB1 standard. It is part of Ruhrpumpen’s HS/ZW split case pump series, which also includes the HSC, HSL, HSR, HSM, and ZW models.
Features
- Capacity up to 454 m³/h (2,000 gpm)
- Head up to 670 m (2,200 ft)
- Maximum Pressure up to 51 bar (740 psi)
- Temperature up to 121 °C (250 °F)
- Hydraulic Institute (HI) design - BB3 type
- Two and four stages, axially split case centrifugal pump
- High efficiency, double volute design
- Single suction, enclosed impellers
- Counter clockwise rotation viewed from coupling end
- Oil lubricated bearings
- Flanged connections
- Stuffing box allows for packing or mechanical seal
Applications
- High-pressure
- Boiler feed water
- Petrochemical
- Water pipelines
- Chemical
- Water cooling
- Circulating water
How the HSM Multi-Stage Split Case Pump Works
The HSM pump is a horizontal, multi-stage (2 or 4 stages), axially split case centrifugal pump designed in compliance with the Hydraulic Institute (HI) BB3 standard. Built for heavy-duty, high-pressure applications, it is part of Ruhrpumpen’s HS/ZW split case pump lineup, which also includes the HSC, HSD, HSL, HSR, and ZW models.
Features
- Capacity up to 2,050 m³/h (9,000 gpm)
- Head up to 155 m (500 ft)
- Maximum Pressure up to 28 bar (400 psi)
- Temperature 10 to 150 °C (50 to 300 °F)
- Discharge flanges sizes 1½'' to 16''
- Horizontal
- Between bearings
- Single stage
- Axially split centrifugal pump
Applications
- Petrochemical
- General industry
- Power generation plants
- Municipal water systems
- Mining operations
- Fire protection service
How the HSR Split Case Pump Works
The HSR pump is a horizontal, single-stage, axially split case centrifugal pump designed and manufactured in accordance with the Hydraulic Institute (HI) BB1 standard. It belongs to Ruhrpumpen’s HS/ZW split case pump family, which also includes the HSC, HSD, HSL, HSM, and ZW models.
