SIS SS 3059-1983 Fittings for piping — Check valves for PN 16 — Straight globe valves of spheroidal graphite iron with flanged ends, spring-loaded disk and sealing surfaces of Cu-alloy resistant to sea water
Denna standard omfattar backventiler i form av raka k?gelventiler av segj?rn med fl?ns-anslutning och fj?derbelastad k?gla. K?gla och t?tning av havsvattenbest?ndig Cu-legering.
Dimensionsomr?de, DN 65-150
Max arbetstryck, 16 bar
Max arbetstemperatur, + 150 °C
SIS SS 3059-1983 history
1983SIS SS 3059-1983 Fittings for piping — Check valves for PN 16 — Straight globe valves of spheroidal graphite iron with flanged ends, spring-loaded disk and sealing surfaces of Cu-alloy resistant to sea water