GROUP SELF-CONTAINED BREATHING APPARATUS WITH CHEMICALLY BOUND OXYGEN

摘要

A group self-contained breathing apparatus with chemically bound oxygen contains the frame with the facial components with the inlet and outlet hoses containing the valves and the collectors for breath-in and breath-out, the chamber for actuators, the relief valve, the regeneration cartridge, and the breathing bag. Furthermore, the apparatus contains the expiration bag connected to the regeneration cartridge and to the collector for breath-out that is connected to the relief valve opening upon filling of the breathing bag.