Grundfos

NK 250-380/334

Code: 92776083 EAN: 5715119441082
Type NK
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Technical specifications

Pump typeNK
Nominal flow (m³/h)494.9 m³/h
Nominal head (m)12.63 m
Minimum efficiency index (MEI)0.70
Power P2 (kW)22 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 weight963 kg
Net weight823 kg
Motor number92748754
EAN code5715119441082

Performance curve

Performance curve NK 250-380/334

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 92776083 (equivalent flow and head), available in the catalogue.

Grundfos 92776083