Application The MH quiet running horizontal multi-stage centrifugal pumps to work with clean water in domestic applications, irrigation and hydropneumatic sets. Material Pump body and impellers in stainless steel AISI304 Motor shaft in stainless steel AISI304 Diffusers in Nylon (glass loaded polymer) Suction and discharge mountings in cast iron. Mechanical seal in graphite and steatite O’rings in EPDM Motor housing in aluminum L-2521 Windings impregnated with epoxy resin. Motor Asynchronous. Two poles IP55 protection Class F insulation Continuous operation. Single phase version built-thermal protection. The normal power standard is 220V 50Hz single phase. Three phase 220/380V/50Hz, 220V/440V/60Hz Single-phase 230V, 240V, 127V,110V,115V/60Hz models are available on request.