Grundfos

NK 250-380/375

Code: 92777784 EAN: 5715119465705
Type NK
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Technical specifications

Pump typeNK
Nominal flow (m³/h)838.2 m³/h
Nominal head (m)38.79 m
Power P2 (kW)110 kW
Phases3
Voltage (V)380-400/660-690 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 weight1850 kg
Net weight1730 kg
Motor number92748769
EAN code5715119465705

Performance curve

Performance curve NK 250-380/375

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 92777784 (equivalent flow and head), available in the catalogue.

Grundfos 92777784