CR64



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.

MOTOR
The pumps are coupled to a high efficiency 'Blue flux' totally enclosed fan cooled 2-pole GRUNDFOS motors complying with IEC and DIN standards. All motors mut be connected to an effective motor starter in accordance with local regulations.

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

Operating Conditions
Pumped liquids: Thin, clean, non-aggressive and non-explosive liquids without solid particles or fibres.
Liquid Temperature Range: -20°C to +120°C
Max Ambient Temperature: +60°C
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 - 25Bar

PUMP DATA

Model Motor Full Load Current (A) I start/I Dimensions (mm) Weight (kg)
kW HP B1 B2 B1 + B2 D1 D2 D3
CR 64-2 11 15 22 7.7 754 499 1253 260 172 350 158
CR 64-3 18.5 25 32 7 836 508 1344 320 197 350 205
CR 64-4 22 30 39 7.2 919 610 1529 363 262 350 262
CR 64-5 30 40 53 7 1001 646 1647 415 300 400 345
CR 64-6 37 50 64 7.2 1084 703 1787 415 300 400 370
CR 64-7 45 60 77 7.3 1166 709 1875 442 325 450 438

 

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