This European Standard deals with metal isolating valves used for gas distribution systems with maximumoperating pressure up to 16 bar, and which operate with fuel gases of the first andThe second family, inaccordance with EN 437.It applies to valves DN 25 and larger.The types of isolating valves to be considered are:plug and ball valves, gate valves, globe valves and butterflyvalves.This standard does not apply to:一valves for domestic installations;一safety type pressure relief valves;一wellhead valves.InThe case of power operated valves,The requirements forThe power source are not covered byThis standard.The valves covered inThis standard operate inThe temperature range:一20 0C to+60 0C.This European Standard gives additional requirements toThe relevant product standards.In case of contradictions betweenThe above mentioned standards,This standard will prevail.
EN 13774:2003 history
2013EN 13774:2013 Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar - Performance requirements
2003EN 13774:2003 Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar - Performance requirements services