CR155



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
Pumps are coupled to totally enclosed fan cooled 2-pole IE3 GRUNDFOS motors which must 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: -30°C to +120°C
Max Ambient Temperature: +40°C
Max Suction Lift: According to the NPSH curve plus a safety margin of 1m.
Max Operating Pressure: 30Bar

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 155-1 15 20 26 7.8 783 471 1254 314 204 350 245
CR 155-2-2 22 30 39.5 9.3 905 541 1446 314 204 350 241
CR 155-2 30 40 51 6.6 907 611 1518 396 315 400 401
CR 155-3-2 37 50 63 6.7 1029 636 1665 396 315 400 437
CR 155-3 45 60 74 6.9 1051 708 1759 338 338 450 516
CR 155-4-1 55 75 90 6.7 1173 747 1920 410 410 550 637

 

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