SVR Global is the top Double offset butterfly valve manufacturer in USA. Description: Material: cast iron, ductile iron, stainless steel (SS304, SS316, F304, F316, CF8, CF8M, SS316L, SS409L), carbon steel, duplex steel. Class: PN10 to PN100, ANSI 150 to 600 End Connection: wafer, lug, flanged Size: 2″ to 72” Operation: electric actuated, pneumatic actuated,...