Registration number (WIID)Project No.TitleStatus
1749prEN 12304Industrial valves - Steel plug valvesIzstrādē
1751EN 14141:2003Valves for natural gas transportation in pipelines - Performance requirements and testsAtcelts
1751LVS EN 14141:2004Valves for natural gas transportation in pipelines - Performance requirements and testsAtcelts
1752EN ISO 4126-3:2006Safety devices for protection against excessive pressure - Part 3: Safety valves and bursting disc safety devices in combination (ISO 4126-3:2006)Atcelts
1752LVS EN ISO 4126-3:2006Safety devices for protection against excessive pressure - Part 3: Safety valves and bursting disc safety devices in combinationAtcelts
1753EN ISO 4126-4:2004Safety devices for protection against excessive pressure - Part 4: Pilot operated safety valves (ISO 4126-4:2004)Atcelts
1753LVS EN ISO 4126-4:2004Safety devices for the protection against excessive pressure - Part 4: Pilot operated safety valvesAtcelts
1754EN ISO 4126-5:2004Safety devices for protection against excessive pressure - Part 5: Controlled safety pressure relief systems (CSPRS) (ISO 4126-5:2004)Atcelts
1754LVS EN ISO 4126-5:2004Safety devices for protection against excessive pressure - Part 5: Controlled safety pressure relief systemsAtcelts
1755EN ISO 4126-7:2004Safety devices for protection against excessive pressure - Part 7: Common data (ISO 4126-7:2004)Atcelts
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