HYZ-2 positive pressure oxygen breathing apparatus 
 Characteristics and uses of positive pressure oxygen breathing apparatus 
 Characteristics: HYZ-2 isolated positive pressure oxygen breathing apparatus is a new generation of products for personal respiratory protection. Isolated case, ensure the supply of oxygen to exactly match the person's vital capacity, smooth circulation of nitrogen Road for nitrogen stable full track catch to in a timely manner, the use of wear comfort and features; its resistance to breathing, weight and volume protection time, high stability and reliability, simple structure, maintenance of the demolition is very convenient, and widely recognized. 
 The main parameters 
 Effective protection time: 2 h (medium labor intensity) 
 Oxygen cylinder rated working pressure: 20MPa 
 Oxygen bottle volume: 1.4L 
 Oxygen rather volume: 280L 
 Filling of calcium hydroxide: 1.4kg 
 Dimensions: 460mm × 360mm × 156mm 
 The Kam amount: 7.5kg (excluding calcium hydroxide, oxygen) 
 Purposes: 
 Purposes: HYZ-2 isolated positive pressure oxygen breathing apparatus for wear use in coal mines, fire, chemical, tunnels, research, and high-rise buildings in the toxic and harmful gases, hypoxia disaster rescue and disaster relief, search exploration work. 
 Main performance: 
 Respiration rate: 30L/min 
 Expiratory resistance: ≤ 600pa 
 Inspiratory resistance:> 0 
 Quantitative amount of oxygen: 1.5 ± 0.1L/min 
 Automatic capture to the amount of oxygen:> 80L/min 
 Manually capture the amount of oxygen:> 80L/min 
 Automatically catch Kai valve pressure: 10 ~ 245pa 
 Inspiratory carbon dioxide concentration: <1% 
 Inspiratory concentration of oxygen and nitrogen:> 21% 
 Alarm alarm pressure: 4 ~ 6MPa 
 Alarm alarm time: 30 ~ 60S 
 Sound order of magnitude: ≥ 80db 
 Contact person: HUANG Hai-fixed telephone :0537-2608605 
 Mobile: 18,766,872,840: 1,093,569,830. 
 Want: zhongmaojx8899 
 Company Website: http://zhongmeijy001.jdol.com.cn/