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RHZKF6.8/30 positive pressure fire air breathing apparatus wearing method
1 ready before use
1, first open the cylinder switch before wearing, with the pressure rise in the pipeline, pressure reducer system, you will hear the alarm issued a brief sound, after the cylinder is fully open, check the air storage pressure, generally 28- 30MPa.
2. Close the gas cylinder switch and observe the reading of the pressure gauge. The pressure drop is not more than 2 MPa in 5 minutes, indicating that the gas supply pipe system is in high pressure and air tight.
3. After the high-pressure system is airtight, press the supply valve diaphragm gently to observe the change of the pressure gauge value. When the pressure of the cylinder drops to 4-6MPa, the alarm siren emits sound, and the siren is also purged once. .
2 How to wear
1. The respirator is behind the human body. Adjustable shoulder straps and belts according to the shape of the respirator are suitable for comfort and comfort.
2. Full-faced lenses should always be kept clean and bright. Connect the mask with the restraint valve and fully cover the neck of a long neck belt. Use the front cover to cross the chest so that it can be worn and used;
3, before use, first open the gas cylinder switch, check the pressure of the gas cylinder, make the supply conversion at the beginning of the closed state, and then plug the quick plug;
4. Put on a full-face mask and take 2-3 breaths. Feel comfortable. The performance of the valve must be reliable. When the breath is maintained, the supply valve should stop supplying air. Press the hand to check the open or closed state of the supply switch. When a section is normal, tighten the full face strap so that the full face and the face are well airtight. The lace does not need to be tightened too tight. The face should feel comfortable. At this time, take a deep breath and switch. Automatically open, supply the right amount of gas to the body;
5, check whether the full cover and the face is well-fit and airtight, the method is: close the gas cylinder switch, take a deep breath several times, the respiratory gas is sucked, the mask should be kept in the human face to move the mask to maintain negative pressure, the body feels breathing difficulties , In the face mask Lee breathable valve has a good airtight; switch, take a deep breath several times, the breathing gas is sucked, the mask should be kept in the face of the human body to move the mask to maintain negative pressure, the body feels breathing difficulties, in the face mask Lee breathing valve Good airtightness;
RHZKF6.8/30 Self-Intensive Air Respirator Maintenance:
1 Air respirator and its parts should avoid direct sunlight, so as to avoid the aging of rubber parts;
2 The respirator is required to be kept clean and the instrument is placed on a clean floor;
3 air respirator strict contaminants;
4 The temperature in the storage room should be maintained between +5 and +30°C;
5 rubber parts should not be coated with wet stone powder for a long time.
RHZKF6.8/30 Self-Intensive Respirator Note:
(1) Wear the mask correctly, use it after passing the inspection, the mask must be sealed, and there should be no hair or beard between the mask and the skin to ensure that the mask is sealed.
(2) The air supply valve must be firmly bonded to the mask
(3) Attention should be paid to the alarm signal issued by the alarm device during use, and the alarm should be evacuated immediately after hearing the alarm signal.