Hughes - Model HP40 - High Pressure Plunger Pump - Brochure

431 stainless steel pump head. Solid ceramic/hard coated stainless-steel plungers & self adjusting seals. In-line valve arrangement for maximum efficiency & prevents the adverse effects of cyclic stress in the pumphead. Interchangeable plunger kits. Hardened, alloy steel crankshaft with heavy duty roller main bearings. SG iron crankcase with splash lubrication. Forged connecting rods with low friction, shell type big end bearings and lead bronze lined small end bushes. Gear driven, eliminating the need for belt drive. Pressure Gauge. Safety valve or burst disc. Outstanding seal, plunger & valve life.