RG Semi-open impeller

Fast facts

Discharge sizes: from DN 32 to DN 125
Maximum working pressure: 16 bar - according to the pump size
Flow rate: up to 300 m3 /h
Differential head: up to 95 m
Temperature: up to 180-220°C - according to the pumped liquid
Materials: AISI 316 Upon request AISI 304, AISI 904, duplex, superduplex, Hastelloy B and C

High hydraulic efficiencies and low NPSH requirements (investment casting impellers).

Centrifugal pumps build according to ISO 2858/ISO 5199 norms.

  • Heavy Duty Shaft and Bearings.
  • Only 3 bearing brackets for the whole range.
  • Only 1 casing cover fits every seal arrangement


handling slightly contaminated liquids or not abrasive slurries in the chemical and petrochemical industries. Well suited for handling liquids with gas contents up to 15%.

They are also used in:
refineries, general industrial service, pulp and paper industry, foodstuffs industry, sugar industry, sea water desalination plants, absorption equipment in environmental engineering, power stations, steel industries, hot water distribution.