SIS SS 1247-1983 Fittings for piping - Shut-off valves for PN 16 and PN 10- Straight globe valves of cast iron with flanged ends, rising stem and sealing surfaces of Cu-alloy resistant to sea water
1983SIS SS 1247-1983 Fittings for piping - Shut-off valves for PN 16 and PN 10- Straight globe valves of cast iron with flanged ends, rising stem and sealing surfaces of Cu-alloy resistant to sea water