WHW 15.20 N cod. 22986

3 piston reciprocating pumps for use on cleaning units and industrial systems operating hot water. Pump body, end plate and side covers in die-cast aluminium woth protective electro-phoresis coating. Pressed nickel-plated brass head for even greater protection and resistance om moderately aggressive atmospheres. Pistons driven by crank-connecting rod mechanism. Connecting rods in die-cast special low friction zinc-aluminium alloy. Double PTFE gasket sealing system to minimise any water leaks. Shaft in heat treated pressed steel for excellent mechanical strength. Oversized friction bearings. One-piece ceramic pistons.