Our auxiliary pumps HPW
If it is not possible to use a submersible pump due to limited space, the pumps from our HPW series are in many cases the optimal solution.
Installed in a powder-coated metal housing, all HPW's are supplied complete with intake hose and pre-filter.
After a one-time manual filling, the pump is ready for use within a very short time.

Our HPW
- HPW's are complete units that can be retrofitted to almost any machine tool with little effort. The scope of delivery includes fine filter with clogging indicator, non-return valve, suction hose and all necessary screw connections. HPW's can be retrofitted to almost any machine tool. HPW's offer higher pressure Have been tried and tested thousands of times
HPW 55/75/140
Areas of application:
- Coolant supply in machine tools, apparatus and mechanical engineering
Conveying media:
- Water coolant emulsions, low-viscosity cutting oils
When used in contaminated liquids, please note:
- Dirt content: max. 50 g/m³ Grain size: max. 0.5 mm without abrasive components such as those found in grinding machines
Structural design:
- Pump housing: GG 20 Motor shaft: stainless steel 1.4305 Impeller: brass MS 58 Mechanical seal: hard metal
Technical specifications | unit | HPW 55 | HPW 75 | HPW 140 |
---|---|---|---|---|
max. pressure (at 12.5 L / min) | bar | 5,5 | 7,5 | 14 |
max. flow rate at 4 bar | L / min | 23 | 22 | 50 |
max. media temp. | °C | 50 | 50 | 50 |
Weight | kg | 30 | 35 | 38 |
voltage | V | 200 / 400 | 200 / 400 | 200 / 400 |
frequency | Hz | 50 | 50 | 50 |
performance | kW | 0,75 | 0,75 | 2,2 |
rated current | A | 4,5 / 2,5 | 4,5 / 2,5 | 14 / 5,5 |
number of revolutions | 1 / min | 2800 | 2800 | 2800 |
case dimensions | mm | 460 x 340 x 380 | 460 x 340 x 380 | 460 x 340 x 380 |