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  • Process pump
  • OH1 end suction
  • ES proces pump
  • high solid density pump
  • Rodelta ES pump
  • OH1 process pump
  • Slurry pump

Rodelta ES (OH1)

The pump type ES (OH1) is a heavy duty single stage overhung end suction, volute casing, radially split pump with a back pullout design centrifugal pump principally designed to handle various homogeneous slurries and those that also contain entrained gasses. Integral stud mounts at the suction inlet and the (centerline) top discharge flange offers both direct connection to plant pipework and prevents entrapped gasses

For alternative specifications contact us.

  • chemical industryChemical Industry
  • district heatingDistrict Heating
  • Drinking waterDrinking Water
  • Flood contoleFlood Control
  • General IndustryGeneral Industry
  • IrrigationIrrigation
  • Power generationPower Generation
  • Pulp and paperPulp & Paper
  • Wast WaterWast Water
  • Water treatmentWater Treatment

Rodelta ES (OH1)


  • High hydraulic efficiency.
  • Gas handling ability
  • Suitable for multiphase liquids
  • Replaceable suction side wear plate
  • Back pull out design
  • Steep Q-H curve for good controllability
  • Low NPSH value
  • Large suction inlet minimizing entry losses
  • Self venting casing


  • Delivery size up to 300mm
  • Capacity 10m3/hr to 3000m3/hr
  • Head up to 80m
  • Suitable for liquid Temperature: Up to 120ºC depending on Pump size*
  • Sealing Arrangement: Gland packing or with mechanical seals
  • Flanges Drilling Standard: Flanges can be as per BS EN/DIN/ANSI/ASA standard


  • Homogeneous slurries
  • Fibres and solids in suspensions
  • Pre Treatment and Electro Coat paint
  • Primary, Secondary & activated sludge
  • Liquids with entrained gases


  • Pulp, paper & Cellulose
  • Sugar and starch processing
  • Automotive plants
  • Municipal waste water treatment
  • Chemical & Petrochemical processes
  • Industrial effluents

Constructional features:

  • suitable for high solid densities and paper consistency upto 10%
  • Dry state and air inclusions up to 6%
  • Renewable wear plate to protect the casing against erosive containments
  • Back pull-out design

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ES (OH1)

  • Features Volute type,Mixed flow-Semi open / Enclosed / Open type impeller end suction pump suitable for high solid densities
  • Capacity @ BEP Upto 3000 m3/hr Upto 13210 Gpm
  • Head Upto 80 m Upto 260 feet
  • Temperature range -20 to 120 °C -4 to 248 °F
  • Discharge pressure upto PN 10 upto Class 125
  • Material (Casing/Impeller) Cast Iron, Bronze, SS, Duplex, Super Duplex
  • Nozzle Orientation (suc/dis) Top Center-line discharge(self venting)
  • Standard Motor Sync. Speed 1000/1500 rpm 1200/1800 rpm
  • Options Gland packing / Mechanical Seal
  • Flange drilling standard BS EN/DIN/ANSI /ASA

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