The objective of this Standard is to achieve the safe operation of gas connection valves for use with metal hose assemblies by specifying the requirements of performance, materials and test methods. Metal hose assemblies are referred to in ÖNORM EN 14800 and ÖNORM EN 15070. These valves are suitable for connection to domestic appliances inside or outside a dwelling using gas at a pressure of up to and including 0,5 bar. These valves are designed for the use with movable appliances; they may also be used for the connection of fixed appliances. The term gas relates to the first, second and third families as referred to in ÖNORM EN 437,Table 1.