CR 3

GRUNDFOS vertical centrifugal pump CR 3-4 with attached three-phase motor, pump housing made from grey cast iron, impeller made from stainless steel, shaft seal configured as maintenance-free mechanical seal, motor power and main dimensions according to DIN/IEC

Technical data
Nominal flow rate 3 m³/h
Nominal head 19.1 m
Size of suction nozzle DN 25/32
Size of pressure connection DN 25/32
Power requirement (P2) of the pump 0.37 kW
Network frequency 50 Hz
Nominal voltage 3 x 220-240D/380-415Y V
Nominal current 1.74/1.00 A
Start-up current 490-530%

Net weight 23.5 kg
Gross weight 26.1 kg

e.g. for condensate lifting systems

GRUNDFOS vertical centrifugal pump CR 5-4 with attached three-phase motor, pump housing made from grey cast iron, impeller made from stainless steel, shaft seal configured as maintenance-free mechanical seal, motor power and main dimensions according to DIN/IEC

Technical data
Nominal flow rate 6.9 m³/h
Nominal head 26.2 m
Size of suction nozzle DN 25/32
Size of pressure connection DN 25/32
Power requirement (P2) of the pump 1.1 kW
Network frequency 50 Hz
Nominal voltage 3 x 220-240D/380-415Y V
Nominal current 1.74/1.00 A
Start-up current 490-530%

Net weight 28.4 kg
Gross weight 31.3 kg

e.g. for large condensate lifting systems

GRUNDFOS vertical centrifugal pump CR 3-21 with attached three-phase motor, pump housing made from grey cast iron, impeller made from stainless steel, shaft seal configured as maintenance-free mechanical seal, motor power and main dimensions according to DIN/IEC

Technical data
Nominal flow rate 3 m³/h
Nominal head 91.8 m
Size of suction nozzle DN 25/32
Size of pressure connection DN 25/32
Power requirement (P2) of the pump 2.2 kW
Network frequency 50 Hz
Nominal voltage 3 x 380-415D V
Nominal current 4.45 A
Start-up current 850-950%

Net weight 40.6 kg
Gross weight 44.7 kg

e.g. for steam boiler 2000 kg/h 6 bar as feed pump

GRUNDFOS vertical centrifugal pump CR 3-21 with attached three-phase motor, pump housing made from grey cast iron, impeller made from stainless steel, shaft seal configured as maintenance-free mechanical seal, motor power and main dimensions according to DIN/IEC

Technical data
Nominal flow rate 3 m³/h
Nominal head 103.6 m
Size of suction nozzle DN 25/32
Size of pressure connection DN 25/32
Power requirement (P2) of the pump 2.2 kW
Network frequency 50 Hz
Nominal voltage 3 x 380-415D V
Nominal current 4.45 A
Start-up current 850-950%

Net weight 46.2 kg
Gross weight 49.1 kg

e.g. for steam boiler 2000 kg/h-10 bar as feed pump

GRUNDFOS vertical centrifugal pump CR 3-23 with attached three-phase motor, pump housing made from grey cast iron, impeller made from stainless steel, shaft seal configured as maintenance-free mechanical seal, motor power and main dimensions according to DIN/IEC

Technical data
Nominal flow rate 3 m³/h
Nominal head 112.8 m
Size of suction nozzle DN 25/32
Size of pressure connection DN 25/32
Power requirement (P2) of the pump 2.2 kW
Network frequency 50 Hz
Nominal voltage 3 x 380-415D V
Nominal current 4.45 A
Start-up current 850-950%

Net weight 47 kg
Gross weight 49.9 kg

e.g. for steam boiler 1250 kg/h-13 bar as feed pump

GRUNDFOS vertical centrifugal pump CR 3-25 with attached three-phase motor, pump housing made from grey cast iron, impeller made from stainless steel, shaft seal configured as maintenance-free mechanical seal, motor power and main dimensions according to DIN/IEC

Technical data
Nominal flow rate 3 m³/h
Nominal head 122 m
Size of suction nozzle DN 25/32
Size of pressure connection DN 25/32
Power requirement (P2) of the pump 2.2 kW
Network frequency 50 Hz
Nominal voltage 3 x 380-415D V
Nominal current 4.45 A
Start-up current 850-950%

Net weight 47.9 kg
Gross weight 50.8 kg

e.g. for steam boiler 2000 kg/h-13 bar as feed pump

GRUNDFOS vertical centrifugal pump CR 3-27 with attached three-phase motor, pump housing made from grey cast iron, impeller made from stainless steel, shaft seal configured as maintenance-free mechanical seal, motor power and main dimensions according to DIN/IEC

Technical data
Nominal flow rate 3 m³/h
Nominal head 131 m
Size of suction nozzle DN 25/32
Size of pressure connection DN 25/32
Power requirement (P2) of the pump 2.2 kW
Network frequency 50 Hz
Nominal voltage 3 x 380-415D V
Nominal current 4.45 A
Start-up current 850-950%

Net weight 48.7 kg
Gross weight 51.6 kg

e.g. for steam boiler 2600 kg/h-13 bar as feed pump

GRUNDFOS vertical centrifugal pump CR 3-29 with attached three-phase motor, pump housing made from grey cast iron, impeller made from stainless steel, shaft seal configured as maintenance-free mechanical seal, motor power and main dimensions according to DIN/IEC

Technical data
Nominal flow rate 3 m³/h
Nominal head 140 m
Size of suction nozzle DN 25/32
Size of pressure connection DN 25/32
Power requirement (P2) of the pump 2.2 kW
Network frequency 50 Hz
Nominal voltage 3 x 380-415D V
Nominal current 4.45 A
Start-up current 850-950%

Net weight 49.6 kg
Gross weight 54.9 kg

e.g. for steam boiler 1250 kg/h-16 bar as feed pump

GRUNDFOS vertical centrifugal pump CR 3-31 with attached three-phase motor, pump housing made from grey cast iron, impeller made from stainless steel, shaft seal configured as maintenance-free mechanical seal, motor power and main dimensions according to DIN/IEC

Technical data
Nominal flow rate 3 m³/h
Nominal head 153.2 m
Size of suction nozzle DN 25/32
Size of pressure connection DN 25/32
Power requirement (P2) of the pump 3 kW
Network frequency 50 Hz
Nominal voltage 3 x 380-415D V
Nominal current 6.3 A
Start-up current 840-920%

Net weight 54.5 kg
Gross weight 59.8 kg

e.g. for steam boiler 2000 kg/h-16 bar as feed pump

GRUNDFOS vertical centrifugal pump CR 3-33 with attached three-phase motor, pump housing made from grey cast iron, impeller made from stainless steel, shaft seal configured as maintenance-free mechanical seal, motor power and main dimensions according to DIN/IEC

Technical data
Nominal flow rate 3 m³/h
Nominal head 162.5 m
Size of suction nozzle DN 25/32
Size of pressure connection DN 25/32
Power requirement (P2) of the pump 3 kW
Network frequency 50 Hz
Nominal voltage 3 x 380-415D V
Nominal current 6.3 A
Start-up current 840-920%

Net weight 55.3 kg
Gross weight 59.9 kg

e.g. for steam boiler 2600 kg/h-16 bar as feed pump

GRUNDFOS vertical centrifugal pump CR 3-36 with attached three-phase motor, pump housing made from grey cast iron, impeller made from stainless steel, shaft seal configured as maintenance-free mechanical seal, motor power and main dimensions according to DIN/IEC

Technical data
Nominal flow rate 3 m³/h
Nominal head 176.3 m
Size of suction nozzle DN 25/32
Size of pressure connection DN 25/2532
Power requirement (P2) of the pump 3 kW
Network frequency 50 Hz
Nominal voltage 3 x 380-415D V
Nominal current 6.3 A
Start-up current 840-920%

Net weight 56.5 kg
Gross weight 61.2 kg

e.g. for steam boiler 3000 kg/h-16 bar as feed pump