RF Flexible Impeller Pump

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RF Flexible Impeller Pump
This item: RF Flexible Impeller Pump

The RF pump is a flexible impeller pump. Due to the design, these pumps are reversible, self-priming and can suck from a maximum height of 5 meters. This type of pump is designed to pump products of both low and high viscosity as well as products containing particles or gases.

RF Flexible Impeller Pump The main applications are transfer of dairy products, edible oils, wine and beverages in general.

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RF Flexible Impeller Pump

Operating principle

Due to the eccentric shape of the pump housing, a vacuum is created in the suction side that enlarges the volume between the blades and this causes the product suction.
The rotor is spinning and the product is carried from the suction side to that of delivery. Due to the eccentric shape of the pump housing, in the discharge side the blades bend, reducing the volume between them and causing the discharge of the product.

Design and features

Bare shaft or close-coupled construction.
Reversible and self-priming pump.
Machined investment casting casing.
Double flat drive of the impeller.
External single mechanical seal.
Easy maintenance.


Steel parts in contact with the product Stainless steel AISI 316L (1.4404)
Other steel parts Stainless steel AISI 304 (1.4301)
Lantern and bearing support GG-22
Impeller CR (Neoprene)
Gaskets in contact with the product NBR

Mechanical seal:
Rotary part Carbon (C)
Stationary part Ceramic (Cer)
Gasket NBR

Surface finish:
Internal Bright polish Ra<0,8 μm
External Matt

Connections: DIN 11851
(other connections available on request)


SiC/SiC or SiC/C mechanical seals.
Food-grade neoprene impeller (BfR).
Other types of connections.
Motors with other protections.
1000 rpm motors.
Electric panel with 10 m cable.
Stainless steel trolley.

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RF Flexible Impeller Pump 60d0b1fc66748

RF Flexible Impeller Pump 60d0b1fc6678a