EN 1092-2:1997 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges
EN 12266-2:2012 Industrial valves - Testing of metallic valves - Part 2: Tests, test procedures and acceptance criteria - Supplementary requirements
EN 12516-1:2014 Industrial valves - Shell design strength - Part 1: Tabulation method for steel valve shells
EN 12516-2:2014 Industrial valves - Shell design strength - Part 2: Calculation method for steel valve shells
EN 14879-4:2007 Organic coating systems and linings for protection of industrial apparatus and plants against corrosion caused by aggressive media - Part 4: Linings on metallic components
ISO 5208:2015 Industrial valves - Pressure testing of metallic valves
ISO 5209:1977 General purpose industrial valves; Marking
ISO 5752 Metal valves for use in flanged pipe systems - Face-to-face and centre-to-face dimensions*, 2021-06-01 Update