The Ejector pump is a vertical multi-stage centrifugal pump. The electric motor is a 3-phase motor with a speed of 2850rpm. The top piece and the bottom part are made of cast iron, casing and pump shaft made of stainless steel, impellers and diffusers made of Polycarbonate / Noryl. The Ejector pump can also be delivered as a complete pump system including diaphragm hydrophore, luminaire set, couplings and ejector.