Grundfos

NK 250-315/260-228

Code: 92998299 EAN: 5715122728668
Type NK
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Technical specifications

Pump typeNK
Nominal flow (m³/h)409.5 m³/h
Nominal head (m)5.61 m
Minimum efficiency index (MEI)0.70
Power P2 (kW)7.5 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 materialStainless steel
Shaft sealBQQE
Gross weight770 kg
Net weight659 kg
Motor number92740288
EAN code5715122728668

Performance curve

Performance curve NK 250-315/260-228

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 92998299 (equivalent flow and head), available in the catalogue.

Grundfos 92998299