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GSO EN 14452:2023
EN 14452:2005
Gulf Standard
Devices to prevent pollution by backflow of potable water - Pipe interrupter with atmospheric vent and moving element DN 10 to DN 20 - Family D, type B
OS GSO EN 14452:2023
EN 14452:2005
Omani Standard
Devices to prevent pollution by backflow of potable water - Pipe interrupter with atmospheric vent and moving element DN 10 to DN 20 - Family D, type B
GSO EN 14451:2023
EN 14451:2020
Gulf Standard
Devices to prevent pollution by backflow of potable water - In-line anti-vacuum valves DN 10 to DN 50 inclusive - Family D, type A
OS GSO EN 14451:2023
EN 14451:2020
Omani Standard
Devices to prevent pollution by backflow of potable water - In-line anti-vacuum valves DN 10 to DN 50 inclusive - Family D, type A
GSO EN 13959:2021
EN 13959:2004
Gulf Standard
Anti-pollution check valves - DN 6 to DN 250 inclusive family E, type A, B, C and D
GSO ISO 19240:2021
ISO 19240:2017
Gulf Standard
Industrial valves — Lined metal quarter turn and check valves for chemical process and related industries
OS GSO EN 1074-3:2021
EN 1074-3:2000
Omani Standard
Valves for water supply – Fitness for purpose requirements and appropriate verification tests – Part 3: Check valves
GSO EN 1074-3:2021
EN 1074-3:2000
Gulf Standard
Valves for water supply – Fitness for purpose requirements and appropriate verification tests – Part 3: Check valves
OS GSO EN 13959:2021
EN 13959:2004
Omani Standard
Anti-pollution check valves - DN 6 to DN 250 inclusive family E, type A, B, C and D
OS GSO ISO 19240:2021
ISO 19240:2017
Omani Standard
Industrial valves — Lined metal quarter turn and check valves for chemical process and related industries
ISO 16137:2006/Amd 1:2019
Amendment to International Standard
Industrial valves — Check valves of thermoplastics materials — Amendment 1
ISO 19240:2017
International Standard
Industrial valves — Lined metal quarter turn and check valves for chemical process and related industries