Description
The GMP HGM-3 B3KQA 1780 230v self priming dirty water pump (code 070-116) is an electric self priming surface pump in cast iron, for dirty water with solids. It pumps up to 850 litres per minute and reaches a maximum head of 15 metres from a 2.2 kW motor on 230v single-phase, the standard UK mains supply. It is the largest pump in the range, a 3″ pump moving up to 850 l/min for bigger excavations and flooded areas.
The GMP HGM-2 B2KQA 2757 is the smaller option, 390 l/min to 16 m.
The pump sits beside the water and lifts it from up to 6 metres below through the suction hose, so nothing electrical goes into the water. The casing and multi-blade impeller are cast iron, with a stainless steel shaft and carbon mechanical seal, and a non-return valve on the inlet keeps the casing full after it stops so it re-primes quickly.
Features
- Self priming from up to 6 m suction lift
- Up to 850 l/min and 15 m head
- 2.2 kW motor, 230v, 13 A
- 3″ inlet and outlet
- Solids up to 27 mm
- Cast iron casing, stainless steel shaft, carbon mechanical seal
- 32 kg
Applications
- Construction site and excavation dewatering
- Flood clearance and basement pump out
- Irrigation and water transfer
- Hire fleets
Suitable for clean and dirty water with solids. Not designed for flammable liquids, oils or chemicals.
The GMP HGM Self Priming range
| Model | Supply | Ports | Max Flow (l/min) | Max Head (m) | Motor (kW) | Current (A) | Solids (mm) | Kg | Code |
|---|---|---|---|---|---|---|---|---|---|
| HGM-1 B1½KQA EA5V | 230v | 1½″ | 290 | 16 | 0.75 | 6.2 | 8 | 21 | 070-110 |
| HGM-2 B2KQA 2757 | 230v | 2″ | 390 | 16 | 1.1 | 7 | 12 | 22 | 070-112 |
| HGM-2 B2KQA EBBU | 110v | 2″ | 390 | 16 | 1.5 | 19 | 14 | 22 | 070-114 |
| HGM-2 B2KQA EBBU FR | 110v | 2″ | 390 | 16 | 1.5 | 19 | 14 | 28 | 070-114 FR |
| HGM-2 B2KQA EBBU SAC | 110v | 2″ | 390 | 16 | 1.5 | 19 | 14 | 32 | 070-114 SAC |
| HGM-3 B3KQA 1780 | 230v | 3″ | 850 | 15 | 2.2 | 13 | 27 | 32 | 070-116 |
Flow and head are the manufacturer’s published maximums. See the GMP HGM Self Priming range page for help choosing between models and answers to common questions.









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