RHZK positive compressed-air system is a new model of self-supporting open respirator, which is designed for persons trapped in environment with smoke, pollution. Hot vap. It is widely used in many horkplacea such as steel making iindustry, chemistry industry., Petroleum industry, storehouse, laboratory and mining area.

Thissystem provides users with a qualified air-tight face mask which possess wide mission field and high transparency. The air-supply set provides a new model of stable demanding valve with the properties of smaller size and lightweight. The backboard is made of qualified stress material. The cylinder containing high pressure of air possesses a proper safe parameter. The pressure reducing valve assembly provides an alarm, which whistles at certain range of air pressure to warn user to leave the danger situation in time.

This product system has following advantages compared with similar products: Lightweight, smaller size, convenience for use and for maintainence, comfortable to wear, more stablized function. This is a satisfactory respiratory protective equipment for fireman and rescue man.