International Standard
American Standards
- EN ISO 15848-1 (2015)
Industrial valves - Measurement, test and qualification procedures for fugitive emissions - Part 1: Classification system and qualification procedures for type testing of valves - API 622 (2018)
Type testing of process valve packing for fugitive emissions - API 624 (2014)
Type testing of rising stem valves equipped with graphite packing for fugitive emissions - API 641 (2016)
Type testing of quarter-turn valves for fugitive emissions