A modern, quietly running five-chamber diaphragm pump with high flow rate. The pump is dry self-priming and safe to run dry. The materials used are suitable for a wide range of chemicals. Diaphragms & valves made of Santoprene® / EPDM & Santoprene® / Viton® are available. The high-performance carbon busts of the motor increase the service life by 50 % compared to previous designs.