... 5.Medium:Oil,water,steam,acid,etc. Q71F Flange Wafer type Ball Valve (1) Specifications : Model no.:Q71FPressure:PN16~64Size:DN15~65Applicable ... ~300°CApplicable medium:water,oil,acid,etc.Sealing:PTFEDriving:manual,pneumatic,electric(2)Main parts and materials (3)Main dimension About ...