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  • RGH multistage
  • Rodelta BB4
  • multistage pump
  • Rodelta RGH

Rodelta RGH, RGV (BB4)

The BB4 type, RGH is a multistage centrifugal pump with side suction, vertical delivery and horizontal pump with diffuser type casing. RGV is the vertical execution version of RGH pump type. Pump shaft is supported in anti-friction bearings. Enclosed impellers are of radial flow type provided with balancing holes. These pumps have standard lubrication of grease and are suitable for coupling with electric motors.

For alternative specifications contact us.

  • chemical industryChemical Industry
  • district heatingDistrict Heating
  • Drinking waterDrinking Water
  • Fire fightingFire Fighting
  • General IndustryGeneral Industry
  • Marine AplicationsMarine Applications
  • Mining and MineralsMining & Minerals
  • Power generationPower Generation
  • Water treatmentWater Treatment

Rodelta RGH, RGV (BB4)


  • Ring section diffuser casting
  • Stuffing box cooling for high temperature applications
  • Available in vertical configuration
  • Hydraulic thrust balancing by balancing holes
  • Multi-outlet feature enables usage of the pump for different delivery pressure
  • 50 Hz / 60 Hz availability
  • The pumps are offered with CE marking
  • Depending on the application, area classification ATEX certification possible


  • Delivery size up to 250 mm
  • Capacity up to 850 m3 /hr
  • Heads up to 850 m
  • Working pressure 40 bar
  • Temperature (-) 30 °C to 140 °C


  • Fire-fighting
  • Booster Service
  • Mine Dewatering
  • Boiler feed

Constructional features:

Latest casing techniques ensure smoothness of hydraulic passages resulting in high efficiency and reliability under hazardous conditions. The delivery flange is vertical. The suction flange can be oriented left or right viewed from driving end.

The enclosed impellers of the radial flow type are provided with balancing holes to balance the hydraulic axial thrust. The rotating elements are statically and dynamically balanced.

The high tensile steel shaft accurately machined and ground is supported by antifriction bearings that take the residual axial thrust and prevent axial float or radial run out. The shaft is protected by shaft sleeve from wear in stuffing box area.

Stuffing Box:
The stuffing box can be sealed by gland packing or by mechanical seal with minor modification. While pumping high temperature liquids from 90ºC to 140ºC, cooling jacket is provided for the stuffing box.

Standard lubrication is grease. For temperature above 90ºC and upto 140ºC – oil lubrication is required.

Direction of Rotation:
– Standard: Clockwise viewed from driving end.
– Optional: Anticlockwise viewed from driving end.

These pumps are suitable for coupling with electric motors, I C engines or steam turbine either directly or through belt drives.


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  • Features Radially split, radial flow multi stage, ring section diffuser type pump
  • Capacity @ BEP Upto 850 m3/hr Upto 3740 Gpm
  • Head Upto 850 m Upto 2790 feet
  • Temperature range -30 to 140 °C -22 to 184 °F
  • Discharge pressure PN 40 / PN 64 Class 150 / Class 300
  • Material (Casing/Impeller) Cast Iron, Bronze, SS, Duplex, Super Duplex
  • Nozzle Orientation (suc/dis) Right / left seen from DE, Vertical execution RGV
  • Standard Motor Sync. Speed 1000/1500/3000 rpm 1200/1800/3600 rpm
  • Options Gland packing / Mechanical Seal
  • Flange drilling standard BS EN/DIN/ANSI /ASA

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