China Manufacturer/Factory of Positive Pressure Oxygen Closed-Circuit Breathing Apparatus Firefighting Equipment & Accessories

Product Description

Oxygen Breathing Apparatus
Equipment View
🛡️ Cabin type Closed-circuit positive pressure oxygen breathing apparatus
Cabin Type
🛡️ Gasbag type Closed-circuit positive pressure oxygen breathing apparatus

ℹ️ The oxygen breathing apparatus is a kind of respiratory protection product that is isolated from the outside. This product is designed according to the European Community Standard EN145-98 and meets the coal industry standard MT867-2000.

This product is mainly used for mining ambulancemen to protect their respiratory organs during rescue work, to protect them from harmful gases. It can also be used in fire protection, petroleum, chemical, metallurgy, transportation, shipbuilding, subway, electric power and other departments. Specially for the trained personnel to perform accident handling in hazardous gas environments. Suitable for anoxic, anaerobic and any atmospheric environment polluted by toxic fumes and gases.

No. Technical Parameters HAT-HYZ240 HAT-HYZ120
1 Rated protection time (h) 4 2
2 Cylinder maximum working pressure (MPa) 20 20
3 Quantitative oxygen supply (L/min) 1.5 1.5
4 Automatic supply of oxygen (L/min) ≥100 ≥100
5 Cylinder capacity (L) 2.4 1.6
6 Automatic exhaust valve opening pressure (Pa) 400~700 400~700
7 Carbon dioxide absorber Ca(OH)2 mass (Kg) ≥2 ≥1.4
8 Dimensions: length * width * height (mm) 580*400*180 460*360*145
9 Weight (with coolant, absorbent, oxygen) (Kg) ≤12 ≤9
Technical Layout
Full Cover Design
  • Anti-fog hardening treatment mirror
  • Super wide vision, clear and barrier-free
  • Food grade muzzle mask (non-toxic and tasteless)
Special Pressure Reducer
  • Output pressure stabilization
  • Small volume with large flow
  • Pure copper fabrication for rapid decompression
Electronic Pressure Display
  • Real-time observation of residual pressure
  • Monitors humidity and direction
  • Advanced digital alternative to mechanical watches
Suspension System & Shell
  • High strength gas pipeline with spring reinforcement
  • Modified high-strength ABS plastic shell
  • Circular structure gas storage for high stability
Technical Manufacturing Excellence

With over 17 years of manufacturing and development experience, our facility covers a production area of 12,000 square meters. Our technical team includes senior engineers and specialists dedicated to professional safety equipment development, ensuring the highest standards of respiratory protection for hazardous environments.

Factory View

Frequently Asked Questions (FAQ)

1. What international standards do these breathing apparatuses meet?
The products are designed according to the European Community Standard EN145-98 and comply with the coal industry standard MT867-2000.
2. What are the primary applications for this equipment?
They are primarily used for mining rescue, fire protection, petroleum, chemical processing, metallurgy, and any hazardous gas environments, including anoxic or toxic fume conditions.
3. What is the difference between the HAT-HYZ240 and HAT-HYZ120 models?
The main difference is the rated protection time: the HYZ240 provides 4 hours of protection, while the HYZ120 provides 2 hours. They also differ in cylinder capacity and total weight.
4. How does the electronic pressure display system improve safety?
Unlike traditional mechanical watches, the electronic system allows for real-time monitoring of residual pressure, humidity levels, and direction, providing more accurate data for the user.
5. Is the face mask comfortable for long-term use?
Yes, the full cover design uses a food-grade muzzle mask that is non-toxic and tasteless, featuring an anti-fog hardening treatment for clear, wide-vision visibility.
6. What materials are used to ensure the durability of the apparatus?
The shell is made from modified high-strength ABS plastic, the gas pipelines are reinforced with springs, and the pressure reducer is fabricated from pure copper for maximum stability and compression resistance.

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