Respiratory protective devices - Compressed air line breathing apparatus with demand valve - Part 2: Apparatus with a half mask at positive pressure - Requirements, testing, marking
This Malaysian Standard specifies minimum requirements for compressed air line breathing apparatus with demand valve for use with a half mask at positive pressure as a respiratory protective device. Escape and diving apparatus and that used in abrasive blasting operations without additional protective features are not covered by this standard, although certain requirements addressing the use in conjunction with escape apparatus and escape conditions are given. Laboratory and practical performance tests are included for the assessment of conformance to the requirements.