JIS T 8155:2014

This Standard specifies the compressed air open-circuit self-contained breathing apparatuses to be used where there is a risk of inhalation of oxygen-deficient air or powdery dust, gas, steam, etc. harmful to human body in places of work sites such as factories, mines, etc., in occurrence of fire, inside ships, and in environment of higher pressure than atmospheric pressure, tunnels and others. This Standard is not applicable to breathing apparatus for diving purposes.