Regulators with a capacity of up to and including 100 kg/h, having a maximum nominal outlet pressure of up to and including 4 bar, other than those covered by EN 12864 and their associated safety devices for butane, propane or their mixtures
容量不超过100 kg/h 最大标称出口压力不超过4 bar的调节器 但EN 12864及其丁烷、丙烷或其混合物相关安全装置所涵盖的调节器除外