China, API 609, Triple Offset, Eccentric, Butterfly Valve, Wafer, Lugged, Flanged, Manufacture, factory, price, Caron Steel, Stainless Steel, A216 WCB, WC6, WC9, A352 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A، A995 5A، A995 6a. ڪلاس 150lb کان 2500lb تائين دٻاء.