STV Cast Iron Butterfly Valve,Wafer Butterfly Valves,,China butterfly valve
EPDM Seat Butterfly Valve,DI Body,CF8M Disc,Wafer Type Model;STV-D71X-PN16-DI-316-100 Our EPDM seat butterfly valve uses the flexibility of rubber seat, could easily achieve zero leakge, therefore is a widely applied valve in oilfield, agriculture, water & waste water and mining industries. Due to its rubber lined body materials, EPDM lined butterfly valve is usually used in low pressure lines. Wafer type is the common style of EPDM seat butterfly valve and is less expensive than the lug type. EPDM seat butterfly valve is installed between two flanges. The butterfly valve is kept in place by using bolts or studs and nuts from flange to flange. This type of installation, of course, makes it impossible to disconnect just one side of the piping system from the valve. STV Valve Technology Group Co., Ltd is a professional leader China EPDM resilient seat Butterfly Valves,Cast Iron Butterfly Valve,Wafer Butterfly Valves,Butterfly valves Soft seat,Lug Type Butterfly valves ,...