GB/T 31975-2015 Translated English of Chinese Standard. (GBT 31975-2015, GB/T31975-2015, GBT31975-2015): Technical Requirements of Compressed Air for Respiratory Protection

This Standard specifies the quality indicators and test methods of compressed air for respiratory protection. This Standard is applicable to self-contained open-circuit compressed air breathing apparatus and compressed air line breathing apparatus for occupational protection and escape. This Standard is not applicable to compressed air for medical use, breathing equipment for diving and compressed air for aviation breathing equipment.