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.
最大出口压力小于或等于200 mbar、容量小于或等于4 kg/h的低压不可调调节调节器及其丁烷、丙烷或其混合物的相关安全装置