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- Oxygen_Breathing_Apparatus abstract "An Oxygen Breathing Apparatus or OBA is a rebreather. It is used primarily in firefighting. Its oxygen is generated by chemicals contained in the green canister, which is inserted at the base of the breathing device. The canister uses potassium superoxide as both a CO2 scrubber and an O2 generator. A sodium chlorate candle in the base generates additional oxygen when first beginning use as the canister has to achieve a high internal temperature before it will start generating oxygen on its own. It is the circulation of exhaled air through the canister that starts the chemical process, usually taking less than 5 minutes, the normal burn time of the \"candle\" and the mask will initially fill with a light, harmless smoke. The extreme heat of the chemical reaction requires the use of thick leather gloves for handling spent canisters. The bags along either side of the chest unit cool the air mixture before inhalation and is a surprisingly effective system, with the air being quite cool when entering the face mask. There is a 60-minute timer at the top of the chest unit which, during the fighting of a causality, is set for only 45 minutes. This would give the user a 15-minute window to evacuate to a safe atmosphere. Though it looks bulky and unwieldy it is a light and comfortable device to wear and does not much interfere with the user's freedom of movement. As of early 2001, the US Navy has been replacing the OBA for firefighting with the SCBA. The SCBA is more cost-effective than the OBA, and also does not produce hazardous waste, a problem with the chemical oxygen generation system.".
- Oxygen_Breathing_Apparatus thumbnail USN_Oba.jpg?width=300.
- Oxygen_Breathing_Apparatus wikiPageID "8797130".
- Oxygen_Breathing_Apparatus wikiPageLength "2750".
- Oxygen_Breathing_Apparatus wikiPageOutDegree "12".
- Oxygen_Breathing_Apparatus wikiPageRevisionID "680452462".
- Oxygen_Breathing_Apparatus wikiPageWikiLink Category:Equipment_of_the_United_States_Navy.
- Oxygen_Breathing_Apparatus wikiPageWikiLink Category:Industrial_breathing_sets.
- Oxygen_Breathing_Apparatus wikiPageWikiLink Category:Rebreathers.
- Oxygen_Breathing_Apparatus wikiPageWikiLink Chemical_oxygen_generator.
- Oxygen_Breathing_Apparatus wikiPageWikiLink File:USN_Oba.jpg.
- Oxygen_Breathing_Apparatus wikiPageWikiLink Firefighting.
- Oxygen_Breathing_Apparatus wikiPageWikiLink Oxygen.
- Oxygen_Breathing_Apparatus wikiPageWikiLink Potassium_superoxide.
- Oxygen_Breathing_Apparatus wikiPageWikiLink Rebreather.
- Oxygen_Breathing_Apparatus wikiPageWikiLink Self-contained_breathing_apparatus.
- Oxygen_Breathing_Apparatus wikiPageWikiLink Sodium_chlorate.
- Oxygen_Breathing_Apparatus wikiPageWikiLink United_States_Navy.
- Oxygen_Breathing_Apparatus wikiPageWikiLinkText "Oxygen Breathing Apparatus".
- Oxygen_Breathing_Apparatus wikiPageWikiLinkText "oxygen apparatus".
- Oxygen_Breathing_Apparatus wikiPageWikiLinkText "oxygen breathing apparatuses".
- Oxygen_Breathing_Apparatus wikiPageWikiLinkText "oxygen-breathing apparatus".
- Oxygen_Breathing_Apparatus wikiPageUsesTemplate Template:About.
- Oxygen_Breathing_Apparatus wikiPageUsesTemplate Template:Clear.
- Oxygen_Breathing_Apparatus wikiPageUsesTemplate Template:Portal.
- Oxygen_Breathing_Apparatus wikiPageUsesTemplate Template:USN-stub.
- Oxygen_Breathing_Apparatus subject Category:Equipment_of_the_United_States_Navy.
- Oxygen_Breathing_Apparatus subject Category:Industrial_breathing_sets.
- Oxygen_Breathing_Apparatus subject Category:Rebreathers.
- Oxygen_Breathing_Apparatus hypernym Rebreather.
- Oxygen_Breathing_Apparatus comment "An Oxygen Breathing Apparatus or OBA is a rebreather. It is used primarily in firefighting. Its oxygen is generated by chemicals contained in the green canister, which is inserted at the base of the breathing device. The canister uses potassium superoxide as both a CO2 scrubber and an O2 generator. A sodium chlorate candle in the base generates additional oxygen when first beginning use as the canister has to achieve a high internal temperature before it will start generating oxygen on its own.".
- Oxygen_Breathing_Apparatus label "Oxygen Breathing Apparatus".
- Oxygen_Breathing_Apparatus sameAs Q7115940.
- Oxygen_Breathing_Apparatus sameAs m.027k2cy.
- Oxygen_Breathing_Apparatus sameAs Q7115940.
- Oxygen_Breathing_Apparatus wasDerivedFrom Oxygen_Breathing_Apparatus?oldid=680452462.
- Oxygen_Breathing_Apparatus depiction USN_Oba.jpg.
- Oxygen_Breathing_Apparatus isPrimaryTopicOf Oxygen_Breathing_Apparatus.