Self priming electric pump suitable for pumping acidic waters, sewage, transferring dilute acid, pumping fruit juice or fluid food stuff. This version is provided with an inspection door to remove any blockages that may occur. A non-return valve is fitted on the inlet of the pump body to avoid the loss of water after the pump has stopped, making it easier to prime when the pump starts again. Maximum suction depth of 6 metros and a maximum liquid temperature of 70°C. Pump casing, inlet flange and impeller and shaft are made from stainless steel. Silicon carbide seal.