42 CFR 84.158
§ 84.158 Exhalation valve leakage test.
United States · 42 CFR — Public Health · Status: effective
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- Citation
- 42 CFR 84.158, § 84.158 Exhalation valve leakage test, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/201771
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Full text
(a) Dry exhalation valves and valve seats will be subjected to a suction of 25 mm. water-column height while in a normal operating position.
(b) Leakage between the valve and valve seat shall not exceed 30 milliliters per minute.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.