... .6 MPa3)Materials:body-DI,WCB,Stainless Steel disc-D Double Flange Butterfly Valve:SizeDN40 - DN1400Design StandardAPI 609End flangeEN1092 ,ANSI 125/150# , ... 150°COperator:Suitalbe for handles(dn50~300), gear operators, electric and pneumatic control actrators.Products;We can produce butterfly valves, check valves ... with the standards of GB, ASME, ANSI, API, BS, DIN Double flange Butterfly valve