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The HSE definition for breathing apparatus is that they use a supply of breathing quality gas from an independent source, such as air compressors or compressed gas cylinders. In this case compression of the supply gas at some stage is implied. Both respirators and breathing apparatus are classed as respiratory protective equipment by the HSE. [2]
Self-contained breathing apparatus – Breathing gas supplied respirator carried by the user; Smoke hood – Device to protect the user from smoke inhalation in an emergency; Surgical mask – Mouth and nose cover against bacterial aerosols; Ventilator – Device that provides mechanical ventilation to the lungs
Some types are also referred to as a compressed air breathing apparatus (CABA) or simply breathing apparatus (BA). Unofficial names include air pack, air tank, oxygen cylinder or simply pack, terms used mostly in firefighting. If designed for use under water, it is also known as a scuba set (self-contained underwater breathing apparatus).
Breathing apparatus usually add some mechanical dead space to increase the total dead space of the system of breathing apparatus and user. demand valve A demand valveis a flow control mechanism that detects a pressure drop on the downstream side and opens the valve to compensate for the pressure drop. In supplied gas breathing apparatus this ...
A breathing hose or sometimes breathing tube on a rebreather is a flexible tube for breathing gas to pass through at ambient pressure. They are distinguished from the low-, intermediate-, and high-pressure hoses which may also be parts of rebreather apparatus.
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This is a list of makes of rebreather breathing sets, and equipment that incorporates a rebreather. Wikimedia Commons has media related to Rebreathers . Subcategories
A breathing apparatus or breathing set is equipment which allows a person to breathe in a hostile environment where breathing would otherwise be impossible, difficult, harmful, or hazardous, or assists a person to breathe.