BS EN 12864:2001 丁烷、丙烷或其混合物用最大出口压力≤200mbar、液流量≤4kg/h的低压不可调的调节器及其相关的安全装置
Low-pressure, non adjustable regulators having a maximum outlet pressure of less than or equal to 200 mbar, with a capacity of less than or equal to 4 kg/h, and their associated safety devices for butane, propane or their mixtures