Valves Only is the leading Double Flanged Butterfly Valves manufacturers in USA Description:- ● Materials: Cast Iron, Ductile Iron, 316, CF8M, CF8, CF3M, WCB, SS316, SS304. ● Class: 150 to 300. ● Nominal Pressure: PN6 to PN25. ● Size: 2″ to 72″. ● Ends: Flanged. ● Operations: Electric actuated, pneumatic actuated, gear operated, lever operated. https://valvesonly.com/product-category/double-flanged-butterfly-valve/