Essential Elements of Self-contained Breathing Apparatus

ESSENTIAL ELEMENTS OF SELF-CONTAINED BREATHING APPARATUS A self-contained breathing apparatus is a device worn by rescue workers, firefighters, & others to provide breathable air in an "Immediately Dangerous to Life or Health" atmosphere. !! Types of Self-contained Breathing Apparatus Open Circuit Closed Circuit Open-circuit industrial breathing sets are filled with filtered, compressed air, ather than pure oxygen typical open-circuit systems have two regu- It is used when a longer-duration supply of breathing gas is needed,such as in mine rescue & in long tunnels, & going through passages too narrow for a big open-circuit air cylinder lators. Full Face Masks The full face masks of breathing apparatus designed for use out of water are sometimes designed in a way that makes them unsuitable for scuba diving. Safety Specifications SCBA supplied for use in Europe must comply with the re- quirements of the Personal Protective Equipment Directive. In practice this usually means that the SCBA must comply with the requirements of the European Standard EN 137. Some Facts about Self-contained Breathing Apparatus 40% About 40% of the workers with eye injuries wore eye protection. 2 Million disabling work-related injuries In an year. SCBA consist 78% 78% Nitrogen, 21% 21% Oxygen and 1% 1% other. Designed & Issued In Public Interest By Source: http://www.ncbi.nlm.nih.gov/, https://en.wikipedia.org/ www.breathesafety.com breathe SAFETY LTO