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:
- Cast iron pump head with high-quality polymer coating
- Pump housing made of aluminium plain bearing material, reduction gearbox with patented oil cooling bags
- Fully ceramic plungers (aluminum oxide)
- Valve construction made entirely of special stainless steel
- Crankshaft of alloy steel, hardened, tempered and nitrided
- Forged connecting rod and plain bearing
- Piston guides ground and hard chrome-plated
- Plunger seal: special high-pressure seals made of PTFE-coated Kevlar® yarn
- Plunger stroke: 26 mm
- Max. inlet pressure: 3 bar
- Amount of oil: 2 liters
