BS EN 13785:2005
丁烷、丙烷或其混合物用容量100 kg/h及以下和最大输出压力4巴及以下的调节器.不包括EN 12864中设备及其相关安全设备
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