Grundfos

NK 50-280/250

Code: 92775824 EAN: 5715119436163
Type NK
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Technical specifications

Pump typeNK
Nominal flow (m³/h)49.79 m³/h
Nominal head (m)18.77 m
Minimum efficiency index (MEI)0.70
Power P2 (kW)4 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 materialCast iron
Impeller materialStainless steel
Shaft sealBQQE
Gross weight170 kg
Net weight145 kg
Motor number92740300
EAN code5715119436163

Performance curve

Performance curve NK 50-280/250

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 92775824 (equivalent flow and head), available in the catalogue.

Grundfos 92775824