Closed Circuit Rebreather Full Face Mask

Bubbles escape in a stream or small bursts.

Closed circuit rebreather full face mask.

While giant strides in automating the se7en have opened the world of recreational rebreather diving equal attention has been given to designing a rebreather with full controllability. Semi closed rebreathers scrs recycle some of the gas that you exhale. Ccrs require two gas supplies a diluent usually air and 100 percent oxygen. These machines are cheaper and simpler than eccr s but require a whole new level of diver.

To use this type of equipment properly you should have a minimum of 25 hours on the specific type closed circuit rebreather that you are going to use and 25 hours on the specific type of full face mask that you are going to use in open circuit mode. Closed circuit rebreathers ccrs recycle all the gas you exhale. Full face mask photo gallery. A rebreather is a breathing apparatus that absorbs the carbon dioxide of a user s exhaled breath to permit the rebreathing recycling of the substantially unused oxygen content and unused inert content when present of each breath.

Oxygen is added to replenish the amount metabolised by the user. The dräger pss bg 4 plus closed circuit breathing apparatus combines uncompromising safety with the highest level of breathing and carrying comfort. 25 hours on the specific type of full face mask that you are going to use in open circuit mode. Only a few bubbles escape during ascents to release expanding gas.

The positive pressure unit supplies the wearer with up to four hours of breathing air even in toxic atmospheres. Mccr manual closed circuit rebreathers. Things to be aware of and things to keep in mind when using closed circuit with a full face mask. Known simply as the mod 1 the patented kirby morgan two chamber mask pod design opens up multiple.

This differs from open circuit breathing apparatus where the exhaled gas is discharged directly. Manual closed circuit rebreathers require the diver to constantly check the ppo2 level in the breathing loop and manually inject more oxygen when necessary to keep the oxygen content at the correct level. Manual gas injection trimix blends 100 m deco diving to name a few the se7en has it all. Designed especially for tough missions.

Used by united states marines combat divers around the world professional underwater videography teams and scientific dive teams the kirby morgan modular full face mask represents a giant step up in safety versatility and convenience over conventional full face masks ffms.