DIN EN 16129-2013 最大规定压力为4 bar且最大能力为150 kg/h,带有丁烷, 丙烷及其混合物的相关安全装置和接头的压力调节器, 自动转换装置; 德文版本EN 16129-2013
Pressure regulators, automatic change-over devices, having a maximum regulated pressure of 4 bar, with a maximum capacity of 150kg/h, associated safety devices and adaptors for butane, propane, and their mixtures; German version EN 16129:2013