SIS SS 2810-1979 Fittings for piping — Shut-off valves for PN 16 — Straight globe valves of gunmetal with female ends, rising stem and metallic disk washer
1979SIS SS 2810-1979 Fittings for piping — Shut-off valves for PN 16 — Straight globe valves of gunmetal with female ends, rising stem and metallic disk washer