... ,water,steam,acid,etc. Q71F Flange Wafer type Ball Valve (1) Specifications : Model no.:Q71FPressure:PN16 ... Valves:gate valve,check valve,globe valve,ball valve,butterfly valve,control valve,safety valve,angle valve,Titanium alloy valve, thermostatic valve, needle valve, plug valve,etc.Flanges ... Sewage pump, sand suction pump, centrifugal pump, mixed flow pump, hand press pump, self- priming pump, etc ...