Technical specifications
| Pump type | NK |
| Nominal flow (m³/h) | 37 m³/h |
| Nominal head (m) | 5.1 m |
| Minimum efficiency index (MEI) | 0.60 |
| Frequency (Hz) | 50 Hz |
| Frequency converter | None |
| Max. liquid temp. (°C) | 120 °C |
| Min. liquid temp. (°C) | -25 °C |
| Max. operating pressure | 16 bar |
| Connection pressure rating | PN 16 |
| Pump housing material | Cast iron |
| Impeller material | Cast iron |
| Shaft seal | BQQE |
| Gross weight | 49.6 kg |
| Net weight | 38.8 kg |
| EAN code | 5712604733967 |
Performance curve
Hover over the curve to read flow and head at any point.
Documents and datasheets
Equivalent alternatives
Pumps in the same hydraulic class as 98986931 (equivalent flow and head), available in the catalogue.
Grundfos 98986931