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This document specifies safety, constructional, performance and testing requirements of normally open automatic vent valves, hereafter referred to as valves.
This document applies to valves with a declared maximum operating pressure up to and including 500 kPa of nominal connection sizes up to and including DN 100 (4), for use in gas control train of gas burners or in appliances using gaseous fuels such as natural, manufactured or liquefied petroleum gas (LPG). It is not applicable to corrosive and waste gases.
This document applies to:
This document covers type testing only.
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