... :DI/CF8/CF8M/C95400 3)FF:EN558-1 16Double Flange Butterfly Valve: SizeDN40mm-DN1400mmDesign StandardAPI 609End flangeEN1092 , ANSI 125/150# ... 1, BS5155 , ISO 5752Top flangeISO 5211 BodyDuctile iron,Stainless steel,WCBDiscDuctile iron,CF8,CF8M,C95400,C95500StemSS416,SS420,SS431,SS316SeatNBR, EPDM ... valves and so on with the materials of ductile iron, carbon steel, stainless steel to order. Our products ...