PocketLaw | CFR 42 | Self-Contained Breathing Apparatus

Self-Contained Breathing Apparatus

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Self-contained breathing apparatus; description.

Self-contained breathing apparatus; required components.

Breathing tubes; minimum requirements.

Harnesses; installation and construction; minimum requirements.

Apparatus containers; minimum requirements.

Half-mask facepieces, full facepieces, mouthpieces; fit; minimum requirements.

Facepieces; eyepieces; minimum requirements.

Inhalation and exhalation valves; minimum requirements.

Head harnesses; minimum requirements.

Breathing gas; minimum requirements.

Interchangeability of oxygen and air prohibited.

Compressed breathing gas and liquefied breathing gas containers; minimum requirements.

Gas pressure gages; minimum requirements.

Timers; elapsed time indicators; remaining service life indicators; minimum requirements.

Hand-operated valves; minimum requirements.

Breathing bags; minimum requirements.

Component parts exposed to oxygen pressures; minimum requirements.

Compressed gas filters; minimum requirements.

Breathing bag test.

Weight requirement.

Breathing resistance test; inhalation.

Breathing resistance test; exhalation.

Exhalation valve leakage test.

Gas flow test; open-circuit apparatus.

Gas flow test; closed-circuit apparatus.

Service time test; open-circuit apparatus.

Service time test; closed-circuit apparatus.

Test for carbon dioxide in inspired gas; open- and closed-circuit apparatus; maximum allowable limits.

Tests during low temperature operation.

Man tests; testing conditions; general requirements.

Man tests 1, 2, 3, and 4; requirements.

Man test 5; requirements.

Man test 6; requirements.

Man tests; performance requirements.

Gas tightness test; minimum requirements.