Positive pressure air respirator/oxygen mask/backpack air respirator

Product name


Positive pressure air respirator

Product advantages

★The air respirator is equipped with a wide, bright and breathable view. A full-face mask with good sealing. The air supply device is equipped with a new air supply valve that is smaller in size, light in weight and stable in performance. It adopts a high-strength back plate and a high-quality high-pressure gas cylinder pressure reducing valve device with a high safety factor. It is equipped with a residual gas alarm. , within the specified cylinder pressure range, it can send out an audible signal to the wearer to remind users to evacuate the scene in time.
Among similar products, air respirators have the advantages of light weight, small size, easy use and maintenance, comfortable wearing, and stable performance. They are ideal personal respiratory protection devices for emergency rescue, disaster relief, and fire-fighting operations.
The product provides an overall one-year warranty. Telephone Mr. Liu

Main technical parameters

●The mask has a large viewing window, and the window lens is made of polycarbonate material, which has high transparency, strong wear resistance, and anti- Mist function, mesh hood wearing method, comfortable and convenient to wear, the colloid is made of silicone, which is non-toxic, odorless, non-irritating, and has good air-tightness.
●The gas cylinder is an aluminum-lined carbon fiber fully wound composite gas cylinder with working pressure, light weight, high strength and good safety performance. The bottle valve has a high-pressure safety protection device

●The bottle belt clamp of the bottle belt group is a quick cam locking mechanism, which ensures that the bottle belt is always in a closed loop state. The cylinder will not flip over.
●The shoulder straps are made of flame-retardant polyester fabric. The straps adopt a bilaterally adjustable structure to place the weight on the waist and hips, reducing the pressure of the shoulder straps on the chest and making breathing smoother. And
The shoulder straps are equipped with large elastic pads to reduce pressure on the shoulders.
●The alarm whistle is placed on the chest, the alarm sound is easy to distinguish, small in size and light in weight.
●The pressure gauge has a large dial, has night vision function, and is equipped with a rubber protective cover.
●The gas cylinder valve has a high-pressure safety device and small opening torque.
●The pressure reducer has small size, large flow rate and stable output pressure.
●Backrest The design of the backrest is in line with ergonomic principles. It is injection molded from carbon fiber composite materials. It has flame retardant and anti-static functions. It is light and strong. The inside of the backrest
is lined with elastic pads. Can make the wearer comfortable.
●The belt set is locked with buckles and easy to adjust.
●The quick connector is compact, can be operated with one hand, and has a locking and anti-loosening function.
●The feed valve has simple structure, strong functionality, large output flow, bypass output and small size.





Company Profile

Beijing Hongda Kaisheng Trading Co., Ltd. is committed to serving the public security and legal departments at all levels, the society Rescue agencies, large public places, etc. provide professional all-round security configuration supply and maintenance services. The company was established in 2001 with a registered capital of 10,000 yuan. It is an enterprise recognized by the Beijing Municipal Public Security Bureau and has passed the quality management system certification. Some of its products have won the Ministry of Public Security inspection reports. Since its establishment, the company has always focused on the most cutting-edge equipment and criminal technical investigation equipment. In terms of product innovation, we have accurately grasped the direction of market demand, introduced a variety of foreign security products with high technological content and strong practicality, and achieved good response in the market.
As an authorized operator of used equipment, we assume social responsibilities and are willing to work hand in hand with colleagues from all walks of life to provide more powerful emergency protection to protect people's lives and property and create a harmonious society. Thanks for your trust!
Build the future with integrity and use technology to cast safety


Beijing Hongdakaisheng Trading Co., Ltd.



Beijing Hongdakai Sheng Trading Co., Ltd.
Contact Mr. Liu
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Company address Yunjingli, Tongzhou District, Beijing City Zhengpress air respirator