... ,WCB,Stainless Steel disc-D Double Flange Butterfly Valve:SizeDN40 - DN1200Design StandardAPI 609End flangeEN1092 ,ANSI 125 ... BS5155 , ISO 5752Top flangeISO 5211BodyDuctile iron,Stainless steel,WCBDiscDuctile iron,CF8,CF8M,C95400,C95500StemSS416,SS420,SS431, ... actrators.Products;We can produce butterfly valves, check valves, gate valves and so on with ... , ANSI, API, BS, DIN Ductile iron Butterfly valve