HYZ - 4 isolation type positive pressure oxygen respirator

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　　　HYZ - 4 isolation type positive pressure oxygen respirator 　　　 　　　 　　　Main technical indicators: 　　　Model HYZ-4 　　　Rated protection time: 240 min 　　　Oxygen cylinder oxygen bottle20 MPa 　　　Oxygen tank volume: 2.4L 　　　Oxygen capacity: 440L 　　　Respiratory capacity: 30L/min 　　　Exhalation resistance: >=600Pa 　　　Inspiratory resistance: (0-600)Pa 　　　Quantitative oxygen: (1.4-1.7)L/min 　　　Automatic oxygen supply ration: >=80L/min 　　　Manual supply oxygen: >=80L/min 　　　Automatic supply valve opening pressure: (10-245)Pa 　　　Breathe in carbon dioxide concentrations <=1％ 　　　Inhalation oxygen concentration >21％ 　　　Pressure alarm:(4-6)MPa 　　　Alarm time:(30-60)s 　　　Intensity of sound level: >=75dB(A) 　　　Boundary dimension: 560*370*160mm 　　　Weight: 13kg 　　　

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Jining Hengwang Mining Machinery Co., Ltd.

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