RK 11.20 H C cod. 20647

3 piston alternating volumetric pumps for use on cleaning units and industrial systems. Hollow shaft pump with included flange for electric motor B14 100 – 112 IEC34-7, 4 poles 50Hz. Pump body and cover in die-cast aluminium alloy. Side cover incorporates oil sight glass. Rear cover with oil drain outlet. Oil level on body pump. Pistons driven by crank connecting rod mechanism. Pump shaft in pressed high-strength steel. Oversized friction bearings. Connecting rods in die-cast special low friction zinc-aluminium alloy. One-piece ceramic pistons. Pump head in pressed brass. Double gasket sealing system. Intake and delivery valves have plugs for easier maintenance.