scope:

This European Standard specifies the safety, construction and performance requirements for pneumatic pressure regulators and safety devices, intended for use with gas burners, gas appliances and similar use, hereafter referred to as 'pressure regulators'. This European Standard is applicable to: pressure regulators with declared maximum inlet pressure above 50 kPa up to and including 500 kPa, of nominal connection size up to and including DN 250 for use with one or more fuel gases in accordance with EN 437, pressure regulators incorporating safety devices, pressure regulators incorporating safety devices specified as safety accessories, NOTE For safety accessories and pressure accessories, the requirements of prEN 13611:2012, Annex F also apply. pressure regulators which use auxiliary energy, Pressure regulators intended to be used on pipe work installations for third family gases are also covered by EN 13785 and EN 13786. This European Standard is not applicable to: pressure regulators that are connected directly to mains pipe-work or to a container that maintains a standard distribution pressure, pressure regulators intended for gas appliances to be installed in the open air and exposed to the environment, safety devices which use auxiliary energy.