Introduction to Positive Pressure Fire Oxygen Respirators
The RHZYN240 positive pressure fire oxygen respirator fully absorbs the advantages of similar products at home and abroad and combines them with the actual situation of China's ambulance team. In terms of product structure design, it highlights small size, light weight, reliable performance, comfortable wearing, and is suitable for the actual use needs of ambulance personnel in underground mines, tunnels, and narrow environments. Positive pressure oxygen respirators can operate in any toxic and hypoxic environment and hazardous area.

Characteristics and Applications of Positive Pressure Oxygen Respirators
Features: RHZYN240 positive pressure fire oxygen respirator is a new generation product used for personal respiratory protection. In isolation from the outside world, it can ensure that the supply of oxygen matches the human lung capacity, with smooth circulation, stable and sufficient gas supply, timely tracking and replenishment, and comfortable use and wearing; Its characteristics of low respiratory resistance, small weight and volume, long protection time, high stability and reliability, simple structure, and easy disassembly and maintenance have been widely recognized.

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Main parameters:
Effective protection time: 4h (moderate labor intensity)
Rated working pressure of oxygen cylinder: 20MPa
Oxygen cylinder capacity: 2.4L
Oxygen quantity: 500L
Filling amount of calcium hydroxide: 2.1Kg
Dimensions: 560mm × 370mm × 160mm
Quality: 10Kg (excluding calcium hydroxide and oxygen)

Purpose:
The RHZYN240 positive pressure fire oxygen respirator is mainly suitable for use in coal mines, firefighting, chemical engineering, tunnels, scientific research, and high-rise buildings in disaster environments with toxic and harmful gases, oxygen deficiency, emergency rescue, search and exploration work.
Main performance:
Breathing rate: 30L/min
Exhalation resistance: ≤ 600Pa
Inhalation resistance:>0
Quantitative oxygen supply: 1.6 ± 0.1L/min
Automatic oxygen supply rate:>100L/min
Dynamic oxygen supply rate:>100L/min
Automatic supply valve opening pressure: 50-245Pa
Inhalation carbon dioxide concentration:<1%
Oxygen concentration in inhalation:>21%
Alarm pressure of alarm: 4~6MPa
Alarm time of alarm: 30-60 seconds
Sound volume level: ≥ 80db