... .:Q71F 2.Body material:SS,WCB 3.Seal:PTFE 4.Pressure:1.6-6.4Mpa 5.Medium:Oil,water,steam,acid ... ,etc. Q71F Flange Wafer type Ball Valve (1) Specifications : Model no.:Q71FPressure:PN16~64Size:DN15 ... : all kinds of flanges, elbow, tee, caps, union, plug, coupling, reducer, etc.Pumps: Sewage pump, sand suction pump, centrifugal pump, mixed ...