... corrosion resistance Our mss sp 81 Lug slurry knife gate valveWith GS,CE certificate Non-toxic, ... CF3M, CF8C, CN7M,etc.2. Knife: SS304 / 304L/ SS316/ 316L /WCB / LCB / WC9 and so on.3. Stem: 304/ ... the power generation, chemical andpetrochemical, oil and gas, pulp and paper,mining, and ship-building industries. We concentrate onone ... such as API ,ANSI,DIN BS,AND JIS . lug slurry Knife gate valve