China ANSI Standard 4′′ CF8 Di Ci EPDM PTFE Strong Acid Ductile Iron Lever Opreated Wafer Lug Butterfly Valve Motorized Valve Foot Valve Gate Valve, Find details about China Wafer Type Butterfly Valve, Butterfly Valve from ANSI Standard 4′′ CF8 Di Ci EPDM PTFE Strong Acid Ductile Iron Lever Opreated Wafer Lug Butterfly Valve Motorized Valve Foot Valve Gate Valve