Respiratory protective devices - Continuous flow compressed air line breathing apparatus - Requirements, testing, marking

This document specifies minimum requirements for continuous flow compressed air line breathing apparatus for use with a full face mask, half mask, or incorporating a hood, helmet or suit, and apparatus used in abrasive blasting operations, as a respiratory protective device. Escape and diving apparatus are not covered by this document. Laboratory and practical performance tests are included for the assessment of conformance to the requirements.