Air Breathing Apparatus is a self-contained open type respirator, widely used in fire fighting, chemical industry, ships, petroleum, smelting, warehouses, laboratories, mines, etc. It enables firefighters or rescuers to safely and effectively extinguish fires, rescue and relief work in a variety of environments such as fumes, poisonous gases, vapors, lack of oxygen and so on. The air respirator is sometimes called a storage gas mask and sometimes a fire mask. It uses a cylinder of compressed gas as its air source, and the cylinder's growth gas is compressed air.　　

What are the features of Air Breathing Apparatus?

This series of products are light in weight, small in size and easy to use among similar products. The advantages of easy maintenance and stable performance are ideal personal respiratory protection devices for emergency rescue and firefighting work.

What is the technique of using air breathing apparatus?

The gas supply device is equipped with a new type of supply valve which is small in size, light in weight and stable in performance. Selection of high-strength backplate and high-quality high-pressure gas cylinders with high safety factor. The decompression valve unit is equipped with a residual gas alarm that sends an audible signal to the wearer within the specified cylinder pressure range.

　The air respirator has some differences with foreign countries in the three major parts: full cover, supply valve and backrest. According to the foreign front cover, backrest, ergonomic principles, design, manufacture, front cover sealing frame material is soft, good sealing. The backrest and the human body back is very compatible, comfortable backrest, uniform strength.

　How to maintain the air respirator?

　1 air respirator and its components to avoid direct sunlight, so as to avoid rubber aging. 2. respiratory tract should be kept clean, the instrument should be placed on a clean floor. 3. air respirator strictly contaminated with oil. 4. the temperature of the storeroom should be maintained between 5 and 30. 5. rubber parts defective machine is not used for a long time, to be coated with wet stone powder.

　What are the precautions for air respirator?

　(1)Wear the mask correctly and use it after checking and passing, the mask shall ensure sealing, no hair or beard etc. between the mask and the skin to ensure sealing of the mask. (2) The supply valve should be firmly bonded with the mouthpiece and mouth. (3) Pay attention to the alarm signal from the alarm in use, and evacuate the scene immediately after hearing the alarm signal.

How to measure the pressure of the air respirator?

1. Open the cylinder valve of the air respirator and check the pointer on the pressure gauge. The pointer must be within the green grid area.

　2. Remove the demand valve of the air breathing system from the retainer and insert it into the corresponding position of the mask. If a "click" sound is heard inside, it means that the respiratory supply valve is correctly connected to the mask.

　3. Take a deep breath. This breath should be very sharp. This will activate the respiratory valve of the respiratory system.

4. Repeat the breath, taking 12 stomach breaths, and then feel what the airflow in the breath is like.

　5. If you turn the red round button of the air respirator quickly, you will feel a clear tendency to strengthen the airflow in the air when you turn it on.