This European Standard specifies minimum requirements for compressed air line breathing apparatus incorporating a hood as a respiratory protective device. Escape and diving apparatus and that used in abrasive blasting operations are not covered by this standard. Laboratory and practical performance tests are included for the assessment of compliance with the requirements.
DS/EN 270:1994 history
1994DS/EN 270:1994 Respiratory protective devices - Compressed air line breathing apparatus incorporating a hood - Requirements, testing, marking