Taiyuan Qiuguo Commercial & Trade Co., Ltd.

China Manufacturer with main products: Respirator, Air Respirator, Positive Pressure Air Respirator, Oxygen Respirator, Positive Pressure Oxygen Respirator, Breathing Apparatus,...

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isolated positive pressure compressed oxygen respirator

Supply Ability: 3,000 Piece/Pieces per Month
Shipping: Within 10 days after receipt the payment
Payment Terms: L/C, T/T, Western Union

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Shanxi in China
Packaging Details: Carton, bag, box


QG-HYZ4004 Isolated Positive pressure compressed oxygen respirator
Facing the influx of foreign products to take a large market share in China, whie the extensive use of domestic equipment by rescue teams when in disaster relief, introspecting the merrits and faults of our present products , our company designed a breathing apparatu featuring small size , stable performance , small breathing resistance and comfort breathing to reduce fatigue especially under the great amount of hard work ,  convenience and easy maintenance after use .

The newly-designed breathing apparatu has improved a lot in its design compared with foreign products. and achieved eight key technologies for utility model:

(1). Using peripheral Quantified Oxygen Devices to make the adjustment of the oxygen flow more convenient and reliable.

(2). Using the structural design of making the exhaling air directly into the lower part of the respiratory compartment to bring about overpressure emission of the waste air.

(3). By reducing the screw, clamp and other joints, performance is made more secure and maintainance easier.

(4). The respiratory compartment is seperated by the purifying tank fixed at the big hole at the  centre of the respiratory compartment into the upper compartment and lower compartment.  In this way the inhaling air is cleaned by the purifying tank , contains less carbon dioxide within the effective rescue time and the respiratory resistance is small .

(5). Using two positive pressure springs to design positive pressure compartment mechanism. 

(6). A backflow barrier is used at the end of self compensating valve and hand filling valve to effectively prevent condensed water from flowing into the the pipe , largely extending the time for replacement of gas canister.

(7). The compartment structure makes the purifying and maintenance of the OBA very convenient after carrying the OBA, the whole process can be completed within just a few minutes. It is known to be the the most convenient and efficient among the breathing apparatus.
Rated protective time/Duration
≥240minutes(i.e. 2h)
Period of use under moderately severe conditions
Period of use under extremely heavy severe conditions
Rated pressure of the cylinder
Rated reserves in the cylinder
Oxygen cylinder
540litres at 20Mpa fill
Constant Rate of Flow
Demand Valve
≥80 L/min
Bypass Valve
≥80 L/min
Vent Valve Maximum Value
Bypass Valve Minimum Value
1.40~180 Pa
Inhalation Temperature
Weight of CO2 Absorbent
11 kg
Weight-fully Charged

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