Chemical Oxygen Self-Rescuer
ZH serial Chemical Oxygen Self-Rescuer is a kind of closed-loop circulating respiration protecting device. It makes the exhaled air react with the chemicals to produce oxygen.

Application:

Applicable to the environments with poisonous gas, oxygen deficient area, the mines with the possibility of outburst or explosion of coal dust and gas. As well as CO2 outburst, for the operator’s self-rescue.

Working Principle:

The exhaled mixed gas with CO2 and water will react with the chemicals to produce oxygen , which circulates through the airbag, breathing valve and mouth piece, for the operator’s breathing.