This European Standard specifies the requirements for inspection and maintenance of LPG cylinder valves for reuse. It applies when the valve is inspected, repaired or refurbished at the time of periodic inspection of the cylinder.The periodic inspection of cylinders is described in EN 1440, EN 14795, EN 14914, and EN 14767.This European Standard may also be applied at any other time, for example when maintenance of the valve is necessary.