R-version for recycled water The specifications of the R-versions are identical to those of the corresponding standard versions. However, they are equipped with special seals that enable operation with recycled water and a solids content of up to 20% – particle size < 200 µm. Thanks to the use of special graphite gaskets, the pumps can run dry for up to 30 minutes without sustaining major damage.
Specifications:
- Pump head: stainless steel
- Pump housing: aluminium plain bearing material construction with patented oil cooling bags
- Plunger: fully ceramic (aluminum oxide)
- Valve construction: entirely made of special stainless steel
- Crankshaft: of alloy steel, hardened, tempered and nitrided
- Crankshaft bearings: SKF roller bearings, large dimensions
- Connecting rod: forged and assembled with plain bearings
- Piston guide: ground and hard chrome-plated
- Plunger seal: special high-pressure seals made of PTFE-coated Kevlar® yarn
- Plunger stroke: 50 mm
- Max. inlet pressure: 3 bar
- Amount of oil: 3.8 liters
| Model | Water consumption: | Work pressure: | Assets: | Rotational speed: | Selection: |
|---|---|---|---|---|---|
| l/min. | bar | kW | 1/min | ||
| KFR25 | 74 | 220 | 31 | 1000 | Choose |
| KFR28 | 93 | 210 | 37 | 1000 | Choose |
| KFR30 | 106 | 200 | 40 | 1000 | Choose |
| KFR32 | 120 | 180 | 41.2 | 1000 | Choose |
| KFR36 | 122 / 137 / 153 | 160 / 140 / 130 | 37.5 / 37.5 / 38.2 | 800 / 900 / 1000 | Choose |
| KFR40 | 170 | 110 | 36 | 900 | Choose |
