Grundfos

NK 50-250/263

Code: 93405927 EAN: 5715472176201
Type NK
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Technical specifications

Pump typeNK
Nominal flow (m³/h)96.9 m³/h
Nominal head (m)79.74 m
Minimum efficiency index (MEI)0.61
Power P2 (kW)37 kW
Phases3
Voltage (V)380-420D/660-725Y V
Frequency (Hz)50 Hz
Enclosure classIP55
Frequency converterNone
Max. liquid temp. (°C)120 °C
Min. liquid temp. (°C)-25 °C
Max. ambient temp. (°C)55 °C
Max. operating pressure16 bar
Connection pressure ratingPN 16
Pump housing materialCast iron
Impeller materialCast iron
Shaft sealBQQE
Gross weight503 kg
Net weight476 kg
Motor number83U16134
EAN code5715472176201

Performance curve

Performance curve NK 50-250/263

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 93405927 (equivalent flow and head), available in the catalogue.

Grundfos 93405927