Grundfos

NK 250-420/376

Code: 93564052 EAN: 5715474523980
Type NK
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Technical specifications

Pump typeNK
Nominal flow (m³/h)983.9 m³/h
Nominal head (m)39.11 m
Minimum efficiency index (MEI)0.70
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 weight2000 kg
Net weight1880 kg
Motor number99547679
EAN code5715474523980

Performance curve

Performance curve NK 250-420/376

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 93564052 (equivalent flow and head), available in the catalogue.

Grundfos 93564052