This European Standard definesThe minimum fitness for purpose requirements for check valves to be used in, or connected to, water supply pipe systems, above or below ground (see EN 805), carrying water intended for human consumption.This standard specifies the design requirements,The performance requirements, andThe conformity assessment method for check valves, whateverTheir type and materials.This standard applies in priority to any other product or test standard:the requirements from other standards apply only whenThis standard refers toThem.This standard deals withThe requirements applicable to check valves up to DN 2 000 and PFA 6 bar to PFA 25 bar. It does not apply to anti-pollution check valves which are covered by other standards.
EN 1074-3:2000 history
2000EN 1074-3:2000 Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 3: Check valves