Viper (rebreather)

Viper-SC rebreather

Viper is a new make of electronic-control closed circuit mixture rebreather made by Carleton Life Support and fitted with the Juergensen Defense Corporation Mark V Electronic Control System. It is designed for use by combat Explosive Ordnance Disposal, and for diving to remove naval mines which may be sensitive to sound and anything magnetic. Their technology was derived from the Carleton SIVA 55 rebreathers.

It is worn in a wings-type stab jacket which incorporates two breathing bags, one on each side. All of its components are on the back, exposed, not in a backpack box as with many modern rebreathers. It can have a mouthpiece or a variety of fullface masks. It is designed to be silent and non-magnetic.

Its wearer's abdomen front is clear, enabling the user to climb in and out of boats and over edges of walls, unlike the SDBA (image) (which has a large absorbent canister across the abdomen front). The Viper has a large cylindrical absorbent canister lengthwise on the back, two spherical gas containers side by side below that, and occasionally, a bailout cylinder set crossways underneath. Two gas circulation tubes go from the hemispherical top of the canister, one to each breathing bag. It has the usual loop of corrugated breathing tube, with one end connecting to each breathing bag.

Three versions of it have been made:

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