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Product Introduction
Traits and purpose of positive pressure oxygen breathing apparatus
Trait: HYZ2 isolated positive pressure oxygen breathing apparatus
is a new generation of product that is used for personal breathing
protection. Under the condition that is being isolated from outside
world, it can ensure that supply quantity of oxygen matches human’s
pulmonary perfectly. It has such traits as smooth cycling air
circuit, stable and sufficient air supply, timely following supply
and comfortable adorning etc. small breathing resistance, small
volume and weight, long protection time, high stability and
reliability, simple structure, convenient to dismantle and repair,
being widely accepted.
Brief introduction to positive pressure fire-fighting oxygen
breathing apparatus
HYZ2 isolated positive pressure oxygen breathing apparatus meeting
MT867-2000 standard that we research and develop fully takes up
advantages of similar products at home and abroad and particularly
reflects small volume, light weight, reliable performance and
comfortable to adorn on product mix design combining the physical
truth of our country’s ambulance corps. In addition, it’s suitable
for ambulance members to be use under mine, tunnel and strait
conditions. Positive pressure oxygen breathing apparatus can
operate at any poisonous and anoxic surroundings and danger zone
Main Parameter
Effective protection time: 2h (medium labor intensity)
Rated operating pressure of oxygen cylinder: 20MPa
Volume of oxygen cylinder:1.6L
Oxygen volume: 320L
Volume of calcium hydroxide to fill: 2.1Kg
Overall dimension: 560mm×370mm×160mm
Weight: 7.5Kg (exclude calcium hydroxide and oxygen)
Purpose:
HYZ2 isolated positive pressure oxygen breathing apparatus are
mainly suitable for poisonous and harmful gas of coal mine, fire
fighting, chemical industry, tunnel, scientific research and
high-rise buildings, rescue and relief in anoxic disaster
environment and seek for expedition.
Main performance:
Respiration: 30L/min
Expiratory resistance: =600Pa
Respiratory resistance: >0
Oxygen supply ration: 1.6±0.1L/mi
Automatic oxygen supply ration: >100L/min
Manual oxygen supply ration: >100L/min
Automatic valve supply mpa: 50-245Pa
CO2 density in respiration: <1%
Oxygen density in respiration: >21%
Alarm pressure of annunciator: 4~6MPa
Alarm duration of annunciator: 30~60S
Volume:=80db