... by air Best Pneumatic Diaphragm PumpAir operated diaphragm pump 1.Caliber:10-100mm; 2.Flow rate:0 ... ,ss,aluminum DPQ air operated diaphragm pump:* DPQ air operated diaphragm pump are operated with compressed air.Depamu ... corrosive or toxic, as well as colloids. The pump body is made of aluminum alloys, cast iron or ... 1. Inlet/outlet diameter: 10-100mm 2. Flow capacity(Q): 0.8-40m3/h 3. Head: 50m 4. ...