GOST EN 1827-2012 Occupational safety standards system. Respiratory protective devices. Half masks without inhalation valves and with separable filters to protect against gases or gases and particles or particles only. General specifications
EN 148-1 Respiratory protective devices - Threads for facepieces - Part 1: Standard thread connection
EN 148-2 Respiratory protective devices - Threads for facepieces - Part 2: Centre thread connection
EN 148-3 Respiratory protective devices - Threads for facepieces - Part 3: Thread connection M 45×3
EN 149 Respiratory protective devices - Filtering half masks to protect against particles - Requirements, testing, marking
EN 371 Respiratory protective devices; AX gas filters and combined filters against low boiling organic compounds; requirements, testing, marking
EN 372 Respiratory protective devices; SX gas filters and combined filters against specific named compounds; requirements, testing, marking
GOST EN 1827-2012 history
2012GOST EN 1827-2012 Occupational safety standards system. Respiratory protective devices. Half masks without inhalation valves and with separable filters to protect against gases or gases and particles or particles only. General specifications