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Positive pressure air breathing apparatus fire protection(SCBA)

Positive pressure air breathing apparatus fire protection(SCBA)

Positive Pressure Self-Contained Breathing Apparatus (SCBA) is a self-contained open personal air breathing protective equipment. It stores compressed air through a high-pressure cylinder and forms a positive pressure environment higher than ambient air pressure in the mask through a pressure reducing valve, air supply valve and other systems, thus ensuring that users can breathe safely and smoothly in toxic, smoke, hypoxia and other dangerous air environments, and effectively prevent the inhalation of external pollutants.
  • Overall Weight :

    ≤8.8kg
  • External Dimensions :

    700×300×450mm
  • Applicable Ambient Temperature :

    -30℃~60℃
  • Rated Working Pressure of Cylinder :

    30MPa
  • Cylinder Volume (Water Volume) :

    6.8L
  • Maximum Gas Storage Capacity of Cylinder :

    2040L
  • Maximum Inhalation Resistance :

    ≤500Pa
  • Maximum Exhalation Resistance :

    ≤1000Pa
  • Alarm Sound Level :

    ≥90dB
  • Relative Humidity :

    ≤0-100% FS
Core working principle: Self-sufficiency: All breathing air comes from the user's own gas cylinder, independent of ambient air. Positive pressure protection: The pressure inside the mask is always slightly higher than the ambient pressure. This means that even if there is a slight leak in the mask seal, it is only the clean air inside that spills out, and the dangerous gases outside cannot enter, providing the highest level of respiratory protection. Main components: Gas cylinder: Store compressed air (usually 30MPa), made of carbon fiber composite, steel or aluminum liner carbon fiber full winding, etc. Back support: used to fix gas cylinders and adjust the back system, in line with ergonomic design. Pressure reducing valve: reduce the pressure of the high-pressure air in the cylinder to medium pressure. Air supply valve: supplies air to the user on demand, usually connected to a mask. Full face mask: Provides visibility and sealing to ensure that the breathing area is isolated from outside hazardous air. Pressure gauge: Displays the remaining air pressure in the cylinder. Alarm whistle: When the cylinder pressure drops to a preset low pressure value (usually 5-6 MPa), a loud alarm will be issued to remind the user to evacuate in time.
Positive pressure air breathing apparatus fire protection(SCBA)Positive pressure air breathing apparatus fire protection(SCBA)
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