AODD-50A Air Operated Double Diaphragm Pump Pump Inlet/Outlet:50mm(2 inch); Air inlet size: 1/2"; Max flow: 568L/min; Max head: 84M (8.4bar); Pump material: Ductile iron(SG iron), Stainless steel(SS304 SS316 SS316L); View More 2 inch diaphragm pumpAODD-50A diaphragm pump