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Code of Federal Regulations Title 42. Public Health § 42.84.137 Inhalation and exhalation valves;  check valves;  minimum requirements

Current as of January 02, 2025 | Updated by Findlaw Staff

(a) Inhalation and exhalation valves shall be provided where necessary and protected against distortion.

(b) Exhalation valves shall be:

(1) Protected against damage and external influence;  and

(2) Designed and constructed to prevent inward leakage of contaminated air.

(c) Check valves designed and constructed to allow airflow toward the facepiece only shall be provided in the connections to the facepiece or in the hose fitting near the facepiece of all Type A, AE, B, and BE supplied-air respirators.

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Cite this article: FindLaw.com - Code of Federal Regulations Title 42. Public Health § 42.84.137 Inhalation and exhalation valves;  check valves;  minimum requirements - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-42-public-health/cfr-sect-42-84-137/

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