How the alarm testing of SCBA (Self Contained Breathing Apparatus) is done?

Procedure for ALARM TESTING:
  • Open cylinder valve.
  • Line will be pressurized with 200 bar pressure.
  • Pressure gauge indicate 200 bar pressure.
  • Close cylinder valve.
  • Check pressure should not drop 10 bar in a minute.
  • Now to make alarm test, operate demand valve and pressure will start to reduce from high pressure line.
  • When on pressure gauge the pressure will reach around 55/60 bar the alarm will sound which indicates that now you have only 8-10 min to escape. This test is called alarm testing of SCBA set.


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