SIS SS 1271-1983 Fittings for piping - Stop-check valves for PN 16 and PN 10 - Angle globe valves of cast iron with flanged ends, spring-loaded disk, rising stem and sealing surfaces of stainless steel
1983SIS SS 1271-1983 Fittings for piping - Stop-check valves for PN 16 and PN 10 - Angle globe valves of cast iron with flanged ends, spring-loaded disk, rising stem and sealing surfaces of stainless steel