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Self-Contained Breathing Apparatus

Self-Contained Breathing Apparatus

Self-Contained Breathing Apparatus (called SCBA for short) is respiratory protective device apparatus to prevent a user from inhaling the oxygen deficient air, contaminated particulate, toxic gas and vapors or potentially harmful gases in the plant, mine, the fire site, the vessel, the tunnel, and etc.
The apparatus has been widely used in such fields as fire fighting, rescue operation, escape guidance at fire station, for prevention of disaster, at steel works, chemical plant, nuclear facilities, hotels, and vessels, etc. throughout Japan.
The apparatus can be used even if in the oxygen deficiency or unknown the contaminants and toxic gases.
Self-Contained Breathing Apparatus has the air breathing apparatus and oxygen breathing apparatus.

There are two types of Self-Contained Breathing Apparatus as below

Made by Air Water Safety Service Inc.

Open-Circuit Air Breathing Apparatus The SCBA supplies the compressed air from the air cylinder to the wearer through cylinder valve, pressure reducer, pressure demand valve or demand valve.
Exhaled air goes to the atmosphere through exhalation valve.
Closed-Circuit Oxygen Breathing Apparatus The SCBA supplies the compressed oxygen from the oxygen cylinder to the wearer through cylinder valve, pressure reducer, demand valve, etc.
Carbon dioxide in exhales air is absorbed by the absorbing canister, and oxygen is re-supplied through breathing bag.
This mechanism enables for long time use.

Self-Contained Breathing Apparatus lineups

Z30
Z30
Compressed air type SCBA
OXY GEM-11
OXY GEM-11
Compressed oxygen closed circuit SCBA
KS-8C
KS-8C
Compressed air type SCBA for ships
KS-2E
KS-2E
Compressed air type SCBA for ships