Positive pressure air breathing apparatus is designed for the use in fire fight application, chemical industry , metallurgy, mines, petrol industry , rescue operation, maintenance works and polluted area wherever there is or may be oxygen content than 17% , or fog caused by fire accident.
The pressure reducer is made of brass with anticorrosive coating . Compressed air is reduced in pressure by the pressure reducer to(0.75± 0.15) MPa .Pressure reducer delivers a constant and stable pressure during the life time of the cylinder . Pressure reducer is connected to : -Cylinder ;
-Medium pressure hose which is connected to demand valve and providing air; -High pressure hose which is connected to pressure gauge.
The scale of pressure gauge is 0-40MPa.The gauge connects to pressure reducer through high pressure hose.Fluorescent material is used in dial plate ,which enables the pressure value to be read clearly in dark.The watch case takes high anti-impact material ,with rubber protective cover,to be water proof ,shock proof and anti dust.The warning device locates on the high pressure hose near pressure gauge ,which actuates the audible warning when cylinder pressure drops to 5.5+-0.5 MPa.From the beginning of the warning ,the user has to leave the polluted area immediately ,and then plug a new cylinder if needed.
The cylinder is made from STEEL with 6 L capacity,it ensures one hour of moderate activity in real use. 300bar high pressure breathing air stored in carbon fiber cylinder to ensure long time and steady air supply, also meet EN12245 standard .
Black molded ,high-density polyethylene cases are ideal for carrying and storing SCBA .cases have a two piece hinge and replaceable latches.it provides excellent
storage for SCBA 30min,60min
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