1.Model no.:Q71F 2.Body material:SS,WCB 3.Seal:PTFE 4.Pressure:1. ... :water,oil,acid,etc.Sealing:PTFEDriving:manual,pneumatic,electric(2)Main parts and materials (3)Main dimension About us Our history: Established ... ,ball valve,butterfly valve,control valve,safety valve,angle valve,Titanium alloy valve, thermostatic valve, needle valve, plug valve,etc.Flanges ...