The ZY-J pressure self-help wind pressure self-help isolated guards, when the coal mine coal and gas outburst omen or highlight, escape should immediately ran to the air pressure at the self-help devices, unlock the shawl protective bag, open ball valve started drilling shawl protective bag quickly, the pressure of 0.09Mpa, the formation of a positive pressure air bags, bags, hazardous air pressure is low, can not enter the protective bag, to avoiding calamity will not be infringed. Shawl protection to be material does not leak, fire-retardant and anti-static characteristics. Pressure self-help Main technical parameters: 1, the pressure atmosphere source pressure :0.3-0 .7 Mpa air quality: non-toxic harmless, a single device 0.3Mpa Air Consumption :100-150L / min 4, air supply method: connection pressure self-help system or a separate gas distribution station 5, vacuum noise: ≤ 85dB 6 operating modes: manual adjustment, operation, Weight: 1.5Kg