Dby-65-50 electric diaphragm pump is a novel pump in China. For all kinds of corrosive liquids, high viscosity, volatile, flammable, explosive, highly toxic liquids, ceramic glaze slurry, fruit pulp, glue, oil tank bottom oil recovery, temporary tank pouring and other liquids can be pumped out. Its performance parameters are similar to wlldenpumps in Germany and mariowpumps in America. The flow passage parts of the pump body are made of stainless steel, aluminum alloy and cast iron, and the diaphragm is respectively made of four kinds of rubber, fluororubber, chloroprene rubber and polytetrafluoroethylene according to different liquids. DBY electric pump adopts y and Yb motors as power source, with suction head of 3-5M, lift of 30m and flow rate of 0.5-20m3/h.