The Alternating current (AC) electric pumps is equipped with by-pass valve and stainless steel filter, self-priming; pump frame is in cast iron, rotor in sintered steel. Volumetric self-priming rotary vane pumps for petrol transfer. They are equipped with an electric, asynchronous, closed and self-ventilated motor. These electric pumps are constructed in accordance to Ingress Protection level 55 and are built with an insulation type F complete with thermal protection of 160° that is installed within the winding