Grundfos

NK 250-380/404

Code: 92777773 EAN: 5715119465385
Type NK
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Technical specifications

Pump typeNK
Nominal flow (m³/h)862.1 m³/h
Nominal head (m)44.99 m
Power P2 (kW)132 kW
Phases3
Voltage (V)380-400D/660-690Y V
Frequency (Hz)50 Hz
Enclosure classIP55 (Protect. water jets/dust)
Frequency converterNone
Max. liquid temp. (°C)120 °C
Min. liquid temp. (°C)-25 °C
Max. ambient temp. (°C)40 °C
Max. operating pressure10 bar
Connection pressure ratingPN 10
Pump housing materialDuctile iron
Impeller materialStainless steel
Shaft sealBQQE
Gross weight1960 kg
Net weight1840 kg
Motor number99547679
EAN code5715119465385

Performance curve

Performance curve NK 250-380/404

Hover over the curve to read flow and head at any point.

Documents and datasheets

Variants & alternative codes

Equivalent alternatives

Pumps in the same hydraulic class as 92777773 (equivalent flow and head), available in the catalogue.

Grundfos 92777773