... materialSS316/316L,or SS304Seal materialEPDM/Silicon/FPMDriving modehandwheel,pneumaticConnect typeweld,thread,socketConnect standardDN11850,IDF/ISO,SMS,etc.(2)More informations:Surface ... Product range: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 and Pipe ...