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SDBA

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	SDBA
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	Topics SDBA Topic Home The SDBA is a type of frogmanFrogman Frogman is a popular term for a scuba diver.... 's rebreatherRebreather A rebreather is a type of breathing set that provides a breathing gas containing oxygen and recycles exhaled gas.... breathing set. Many of the world's naviesNavy A navy is the branch of a country's military forces principally designated for naval warfare and amphibious warfare namely ... and army marine corpsMarine corps A marine corps is a branch of a nation's armed forces incorporating Marines, intended to be capable of mounting amphibious a... have used it since 1971. It is made by in BillingshurstBillingshurst Billingshurst is a village and civil parish in the Horsham District of West Sussex, England.... in EnglandEngland England is the largest and most populous constituent country of the United Kingdom.... . The SDBA is described on . The breathing bag is square with rounded corners, on his chest, exposed. Its absorbent canister is cylindrical with flat ends, crosswise on his belly, in a rubber sheath. It has a loop of wide corrugated breathing tubes; one of them originates at each end of the canister; the right tube has a side connection to let gas in and out of the breathing bag as he breathes. It has two long thin oxygen cylinders lengthwise on his back. It can be supplied with a mouthpieceMouthpiece (scuba) In breathing sets, a mouthpiece is a part that the user grips in his mouth, to make a watertight seal between the breathing ... or a fullface mask; the mouthpiece has a valve on its front to close the breathing tubes when the mouthpiece is not in his mouth. Its dive duration is about 3 hours. It has a nitrox variant called ONBA. External links description images