Grundfos

NK 250-380/403

Code: 93572151 EAN: 5715474637021
Type NK
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Technical specifications

Pump typeNK
Nominal flow (m³/h)569 m³/h
Nominal head (m)19.7 m
Minimum efficiency index (MEI)0.70
Power P2 (kW)37 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 materialBronze
Shaft sealBQQE
Gross weight1220 kg
Net weight1080 kg
Motor number92816795
EAN code5715474637021

Performance curve

Performance curve NK 250-380/403

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 93572151 (equivalent flow and head), available in the catalogue.

Grundfos 93572151