GOST R 12.4.220-2022
Occupational safety standards system.Respiratory system protective devices.Self-contained closed-circuit breathing apparatus for escape with chemically bonded or compressed oxygen.Technical requirements.Testing methods.Marking.Sampling rules

Standard No.

GOST R 12.4.220-2022

Release Date

2023

Published By

National Standard of the People's Republic of China

Latest

GOST R 12.4.220-2022

GOST R 12.4.220-2022 history

• 2023 GOST R 12.4.220-2022 Occupational safety standards system.Respiratory system protective devices.Self-contained closed-circuit breathing apparatus for escape with chemically bonded or compressed oxygen.Technical requirements.Testing methods.Marking.Sampling rules
• 2012 GOST R 12.4.220-2012 Occupational safety standards system. Respiratory protective devices. Self-contained closed-circuit breathing apparatus for escape. Technical requirements. Test methods. Marking. Sampling rules
• 2001 GOST R 12.4.220-2001 Occupational safety standards system. Respiratory protective devices. Self contained escape apparatus with chemical oxygen. General technical requirements. Test methods