Wafer Butterfly Valve, Flange Butterfly Valve, Lt Butterfly Valve manufacturer / supplier in China, offering 150lb CF8m Without Pin Disc PTFE Resilient Seated Lug Type Butterfly Valve, Stainless Steel CF8 Body Disc PTFE Lug Type Lt Butterfly Valve, SUS316 Plate Disc High Quality 150 Degree Casting Iron Body Butterfly Valve and so on.