Dräger Ray

Dräger Ray is a semi-closed circuit rebreather diving system developed by the German company Dräger. The system is designed for recreational scuba diving and is known for its simplicity and reliability.

History

The Dräger Ray was introduced in the late 1990s as a recreational diving system. It was designed to be an affordable and easy-to-use alternative to open circuit scuba systems. The system was discontinued in 2005, but remains popular among divers due to its simplicity and reliability.

Design

The Dräger Ray uses a semi-closed circuit rebreather design. This means that a portion of the exhaled gas is recycled and reused, reducing the amount of gas that needs to be carried by the diver. The system uses a single gas supply, typically a mixture of oxygen and nitrogen known as Nitrox.

The system includes a counterlung, which stores the exhaled gas, and a scrubber, which removes carbon dioxide from the gas before it is inhaled again. The gas flow is controlled by a simple mechanical system, which makes the Dräger Ray easy to use and maintain.

Safety

Like all rebreathers, the Dräger Ray requires careful maintenance and operation to ensure safety. Divers must be trained in the use of rebreathers and must monitor their gas supply and carbon dioxide levels closely during dives. Despite these requirements, the Dräger Ray has a strong safety record due to its simple and reliable design.

See also

• Scuba diving
• Rebreather
• Dräger

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