CR 64-6


Product Details


The GRUNDFOS CR pump range are of vertical multistage in-line centrifugal design suitable for a wide variety of water supply, irrigation, liquid transfer and boosting applications. The pumps are of heavy duty construction and are designed for continuous duty in commercial and industrial installations. All vital components including the impellers, intermediate chambers and shaft are made from stainless steel and the top and bottom housings from cast iron. The pump is water lubricated and is provided with a tungsten carbide faced mechanical shaft seal.

For aggressive liquids the ‘N’ version is available which features stainless steel top and bottom pump housings.



Pumps are coupled to totally enclosed fan cooled 2-pole GRUNDFOS motors which must be connected to an effective motorstarter in accordance with local regulations.

Enclosure Class: IP55       Insulation Class: F        Speed: 2900rpm         Voltage: 3 x 380-415V



Pumped liquids: Thin, clean, non-aggressive and non-explosive liquids without solid particles or fibres.
Liquid Temperature Range: -300C to +1200C
Max Ambient Temperature: +400C
Max Suction Lift: According to the NPSH curve plus a safety margin of 1m.
Max Operating Pressure: Models up to CR64-5- 16Bar, CR64-6 & CR64-7- 25 Bar






Full Load

Current (A)


I start



Dimensions (mm)




kW HP B1 B2 B1  + B2 D1 D2 D3  
CR 64-6 37 50 64 7.2 1084 703 1751 415 300 400 370


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