Grundfos

NK 50-225/237

Code: 93571489 EAN: 5715474624335
Type NK
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Technical specifications

Pump typeNK
Nominal flow (m³/h)42.06 m³/h
Nominal head (m)16.78 m
Minimum efficiency index (MEI)0.70
Power P2 (kW)3 kW
Phases3
Voltage (V)220-230/380-400 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 materialCast iron
Impeller materialBronze
Shaft sealBQQE
Gross weight153 kg
Net weight130 kg
Motor number92816757
EAN code5715474624335

Performance curve

Performance curve NK 50-225/237

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 93571489 (equivalent flow and head), available in the catalogue.

Grundfos 93571489