Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 13644-1996
Scope
This standard applies to gas valves (3) that use natural gas (1) or liquefied petroleum gas (2) with a pressure below 14.7KPa {1500mmH2O} as fuel and are mainly used for low-pressure piping in general households. Note (1): The so-called natural gas refers to the gas specified in CNS 3719. (2) The so-called liquefied petroleum gas refers to the gas specified in CNS 12951. (3) The so-called gas valve is composed of a body, a plug and other components. The plug (circular