{"standard":"EN 1591-1","listings":[{"edition":"EN 1591-1:2013","list":"ped","list_name":"Pressure Equipment Directive","jurisdiction":"EU","title":"Flanges and their joints – Design rules for gasketed circular flange connections – Part 1: Calculation","annex":"ANNEX I","source":"https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02025D0165-20260113"},{"edition":"EN 1591-1:2013","list":"uk-pressure-equipment","list_name":"UK Pressure Equipment (designated)","jurisdiction":"UK","title":"Flanges and their joints - Design rules for gasketed circular flange connections - Part 1: Calculation","annex":"S.I. 2016 No. 1105","pc_start":"01/01/2021","restriction":"","withdrawal":"13/07/2027","source":"https://www.gov.uk/government/publications/designated-standards-pressure-equipment"},{"edition":"EN 1591-1:2024","list":"uk-pressure-equipment","list_name":"UK Pressure Equipment (designated)","jurisdiction":"UK","title":"Flanges and their joints - Design rules for gasketed circular flange connections - Part 1: Calculation","annex":"S.I. 2016 No. 1105","pc_start":"18/03/2026","restriction":"","withdrawal":"","source":"https://www.gov.uk/government/publications/designated-standards-pressure-equipment"}],"events":[],"generated":"2026-08-16 23:54 UTC"}