Butterfly Valve, Flange Adaptor, Dismantling Joint manufacturer / supplier in China, offering NBR/EPDM/PTFE Pn16 Resilient Seated-Wafer Type Butterfly Valve, China Factory-Made Resilient Seated Ductile Cast Iron Wafer Wafer Butterfly Valves with EPDM Rubber Lining API/ANSI/DIN/JIS, Wafer Butterfly Valves with Hand Lever and so on.