Grundfos

NK 125-280/251

Code: 92775984 EAN: 5715119439287
Type NK
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Technical specifications

Pump typeNK
Nominal flow (m³/h)150.1 m³/h
Nominal head (m)7.504 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 weight306 kg
Net weight264 kg
Motor number92740286
EAN code5715119439287

Performance curve

Performance curve NK 125-280/251

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 92775984 (equivalent flow and head), available in the catalogue.

Grundfos 92775984