... 1.6Mpa)Main Materials(Body)Carbon Steel:WCBCast Iron:GG25(HT250,GGG45(QT450)Stainless Steel:CF3,CF3M ... system in thermal power plant,and also can turn on/off the media, such as wear-resisting dry ... / 304L/ SS316/ 316L /WCB / LCB / WC9 and so on.3. Stem: 304/ 316/ Cr13% and so on4. Sealing ... ANSI , DIN, AS, ISO, JIS,SANS etc Material cast iron, ductile iron, cast steel, stainless steel ( 304/CF8, 316/CF8M, ...