... API 600, BS 6755. Type: Rising Stem and Wedge Single Disc, Solid or Flexible wedge. Stop Valve (global valve): ... 300lb,600lb,900lb,1500lb,2500lb Body: Stainless Steel Disc or Ball: Stainless Steel+HF Stem: Stainless Steel Seat: Stainless Steel+HF Features Designed to API 6D Material ... Mining etc. Available Fresh Water,Sewage,Seawater,Air,Gas,Vapor,Food,Pharmacy,Medicament,Oil,Acid,Alkali,Salt etc.