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HYZ-2

HYZ-2 Positive Pressure Breathing Apparatus
A self-contained compressed air respirator for hazardous environments. Features a positive-pressure full facemask, lightweight carbon fiber cylinder, integrated HUD display, and low-pressure alarm. Designed for firefighting, industrial rescue, and confined spaces, ensuring reliable respiratory safety in toxic or oxygen-deficient conditions.

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Product Description

Continuous Oxygen Supply
The China Coal Compressed Air Self-Rescuer provides a continuous supply of air through a built-in high-pressure air cylinder, ensuring the user receives sufficient oxygen support during hazardous situations such as toxic gas leaks, oxygen deficiency, or fires, helping them safely evacuate dangerous areas.
Efficient Protection
This device is suitable for high-risk environments such as mines and tunnels, where it provides stable oxygen support in emergency situations, enhancing the safety of the work environment and ensuring life support in extreme conditions.
Simple Operation and Quick Response
The China Coal Compressed Air Self-Rescuer features a simple and easy-to-use design. The user can quickly activate the device to obtain oxygen, ensuring a rapid response in emergencies and preventing valuable time from being wasted due to complicated operations.
Long Usage Duration
Unlike chemical oxygen self-rescuers, the compressed air self-rescuer provides a longer duration of oxygen supply, making it suitable for situations requiring extended escape or evacuation, ensuring sufficient oxygen support during the evacuation process.
High Reliability and Durability
The device is made with high-quality compressed air cylinders and materials that are resistant to high temperatures and corrosion, ensuring stable operation in extreme environments. Its durability ensures the device’s effectiveness in complex environments, allowing for long-term use with minimal failure.
Strong Adaptability and Wide Application
The China Coal Compressed Air Self-Rescuer is widely used in high-risk workplaces such as mines, tunnels, fire departments, and chemical plants. Its robust oxygen supply capability makes it suitable for various emergency rescue scenarios, ensuring worker safety in different environments.
Compliance with Industry Safety Standards
The China Coal Compressed Air Self-Rescuer complies with both international and domestic safety standards, ensuring optimal performance and providing the best protection during use.

Product parameters

Model HYZ-2
Duration 120 min
Working pressure for oxygen bottle 20 MPa
Capacity for oxygen bottle 1.4L
Oxygen storage 280L
Dimensions 518*370×160mm
Weight 11 Kg
Breathing rate 30L/min
Exhaling resistance (0~600)Pa
Inhaling resistance ≤700Pa
Fixed Oxygen-supplying ≥(1.4~1.7)L/min
Manual or automatic oxygen-supplying ≥80L/min
Start pressure for Auto-supplying valve (10~245)Pa
Inhaling Carbon dioxide concentration ≤1%
Inhaling oxygen concentration >21%
Warning pressure for alarm  (4~6)MPa
Warning time for alarm (30~60)s
Sound level ≥80dB
Type Duration Working pressure for oxygen bottle Capacity for oxygen bottle Dimensions Oxygen storage
HYZ-4 240 min 20 MPa 2.4L 560×370×160mm 480L
HYZ-4B 240 min 20 MPa 3.0L 580x430x190 mm 600L

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For many years, CHINA COAL has remained steadfast in the global mining project sector, dedicated to providing exceptional services for various mining projects. We have become a strong and indispensable partner to many clients, building deep, lasting friendships that go beyond ordinary business relationships.

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