SIMPLE TYPE MIXED GAS DIVING UNIT AND SIMPLE TYPE MIXED GAS DIVING SYSTEM PROVIDED WITH THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a simple type mixed gas diving unit suitable for a diving work in a water depth of 40 m or more in a simple structure and a simple type mixed gas diving system.SOLUTION: A simple type mixed gas diving unit 1 includes a first gas supply control valve 5 connecting a downstream side of a first gas supply path 3 supplying first gas to a diving apparatus 12 worn by a diver and a downstream side of a second gas supply path 4 for supplying the second gas to the diving apparatus and composed of a three-way valve switching the supply to the diving apparatus between the first gas and the second gas.SELECTED DRAWING: Figure 1