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Diffuser (breathing set part) Dive/surface valve; Diver's umbilical; Diving cylinder; Diving regulator; Downstream scuba manifold; Draeger DM20 oxygen rebreather system; Dräger DM20 oxygen rebreather system; Dräger DM40 mixed gas rebreather system; Dräger Modell 1915 Bubikopf helmet; Dry suit inflation hose
A Drägerman or Drägerwoman, also spelled Draegerman [1] or Draegerwoman, is a common name for a rescue worker in mines. [2]The name originates from Alexander Bernhard Dräger, a German scientist who invented the combination of a gas mask and an oxygen inhalator as a breathing apparatus for underground rescue workers.
The semi-closed breathing circuit used the injected gas to circulate the gas in the helmet through a scrubber, providing a very low work of breathing in comparison with most other rebreathers which used the lungs of the diver to circulate gas in the loop. The Modell 1915 bubikopf helmet was designed for use with this system. The rebreather loop ...
Draeger Ray dive/surface valve with bite grip scuba mouthpiece, non-return valves, and breathing hoses. 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 ...
Test bench for a miner's closed circuit self-rescuers. A self-contained self-rescue device, SCSR, self-contained self-rescuer, or air pack is a type of closed-circuit SCBA [1] with a portable oxygen source for providing breathable air when the surrounding atmosphere lacks oxygen or is contaminated with toxic gases, e.g. carbon monoxide.
Cardiac events, hypoxia, and hyperoxia are the main causes of death where it is known with any confidence, and fatality rates have been estimated at 1.8 to 3.8 deaths per 100,000 dives or 1.2 to 2.5 deaths per 100,000 diving hours on rebreathers. [41] The data are limited, and assumed to be underreported, particularly from Asia. [41]
ISO 23269-1:2008 — Ships and marine technology — Breathing apparatus for ships — Part 1: Emergency escape breathing devices (EEBD) for shipboard use. [7] [10] ISO 23269-4:2011 [7] EN 1127-1:2011 — Explosive atmospheres - Explosion prevention and protection - Part 1: Basic concepts and methodology; EN1146:2005 [7]
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