R-version for recycled water

The specifications of the R versions are identical to the corresponding standard versions. However, they are equipped with special seals that work with recycled water and allow for a solids content of up to 20% – particle size < 200 µm.

By using special graphite gaskets, the pump can run dry for up to 30 minutes without sustaining major damage.

Specifications:

• Pompkop: RVS AISI 630 / 17/4PH / 1.4542
• Pump housing: painted cast iron
• Plungers: fully ceramic (aluminum oxide)
• Valve construction: suction and pressure valves made of stainless steel
• Crankshaft: forged, nitrided, hardened and ground
• Crankshaft bearing: quadruple plain bearings with oil pressure lubrication
• Drive shaft bearing: continuous with two drive shafts
• Piston guide: special aluminium with graphite coating
• Plunger seal: separated into high- and low-pressure seals with integrated

piston cooling

• Reductions: internal reduction available in three versions
• Plunger stroke: 90 mm
• Min. inlet pressure: 2 bar
• Max. inlet pressure: 5 bar
• Oil volume: 52 / 35 liters
• Miscellaneous: oil pressure lubrication is integrated, with pressure gauge, monitoring,

oil/water cooler and oil filter