Respiratory protective devices - Self-contained open-circuit compressed air breathing apparatus with full face mask - Requirements, testing, marking

This document outlines the technical specifications and testing protocols for autonomous breathing apparatuses equipped with non-enclosed air circulation systems and compressed air reservoirs, featuring a full-face mask. It establishes the necessary performance criteria and marking requirements to ensure the safety and reliability of these devices under specific operational conditions. The text covers detailed procedures for verifying the functionality of the breathing apparatus, including tests for air quality, pressure retention, and structural integrity. Specific guidelines are provided for labeling and identification to assist users and inspectors in recognizing compliant equipment. The information focuses exclusively on the technical demands required for the design, manufacturing, and evaluation of these respiratory protection tools, without addressing the broader context of their application or the regulatory body responsible for their publication.