Butterfly Valve, Check Valve manufacturer / supplier in China, offering PTFE Lining Lug Butterfly Valves with Stainless Steel CF8/CF8m Body Disc ASME B16.1 Class125 Class150, Double Flange Butterfly Valves with Vulcanized Rubber Seat & Ss Disc, Thread End Connection Lug Butterfly Valve with Full PTFE Lined and so on.