The following is applicable to pressure regulators used with flammable, oxidant, corrosive, inert, or toxic gases, when it is necessary to reduce cylinder supply pressure to a lower use pressure.

• 当有必要把钢瓶供应压力降到较低的使用压力时，下文对于用于易燃、氧化剂、腐蚀性、惰性或毒性气体的压力调整器是可以适用的。