Pressurized gas flow control valve for feeding gas from breather circuit of continuous and positive pressure respirator supplying user

摘要

The gas flow control valve (237) includes: a body having a first opening designed to communicate with a pressurized gas supply (230) and a second opening designed to communicate with the user (236). It has a first auxiliary output in the body, and a gate, which at the moment of inhaling by the user, directs gas flow from the first opening to the second opening (150) and after exhalation gas flow is directed from the first opening to the first auxiliary output.