scope:

This standard specifies the safety, constructional and performance requirements for automatic shutt-off valves for gas burners and gas appliances, hereafter referred to as valves. It also gives the test procedures for evaluating these requirements and information necessary for the purchaser and the user. It applies to valves with a declared maximum working pressure up to and including 4 bar for use on burners or in appliances for use with one or more fuel gases of the 1st, 2nd or 3rd families. It applies to electrically operated shut-off valves and to shut-off valves actuated by fluids if the control valves for these fluids are actuated electrically. The external, electrical switch that switches the control signal or the actuating energy is not covered by this standard.