... 1"-6" 3) Standard: ISO, DIN, SMS, IDF.Pipe fitting:Tee, Elbow, Concentric reduver, Eccentric reducer, Union( Nut. male ,liner).Valve ... , Clamp butterfly valve , Welded buterfly valve, Male-weld butterfly valve , Quick-install butterfly valve ,Samping valve , Check valve, Male buttefly valve ,Three ...