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Technical Specifications

Maximum flow rate: 500 m3/h
Maximum head: 140 mwc
Maximum pressure: 16 BAR
Maximum temperature: 220° C


Standard: AISI 316.
On request: Duplex, Superduplex, AISI 304, AISI 904, Hastelloy B and C.


Closed impeller

RD pumps

Simple and modular construction ISO 2858-5199 norms. Discharge sizes from DN 32 to DN 125. High hydraulic efficiencies and low NPSH value (investment casting impellers). Heavy duty shaft and bearings. Only 3 bearing brackets for the whole range. Only 1 casing cover fits every seal arrengement.


RD pumps can handle aggressive organic and inorganic liquids in the chemical and petrochemical industries. They are also used in sea water desalination plants, absorption equipment in environmental engineering, power stations, steel industry and hot water distribution.

Construction Versions

RDB: Independent frame with oil lubricated bearings.

RDL: Lantern bracket with flex coupling and standard B5 motor.

RDM: Close-Coupled with standard B5 electric motor.

RDV: Vertical column.


Standard: UNI EN 1092-1 PN 16
On request: ANSI 150
50Hz Curves
60Hz Curves
Cross Sections
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