Grundfos

NK 250-380/333

Code: 92777776 EAN: 5715119465439
Type NK
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Technical specifications

Pump typeNK
Nominal flow (m³/h)740.2 m³/h
Nominal head (m)29.51 m
Power P2 (kW)75 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 weight1370 kg
Net weight1270 kg
Motor number99547662
EAN code5715119465439

Performance curve

Performance curve NK 250-380/333

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 92777776 (equivalent flow and head), available in the catalogue.

Grundfos 92777776