42 C.F.R. § 84.173

Current through September 30, 2024
Section 84.173 - Exhalation valve leakage test
(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 must not exceed 30 mL per minute.

42 C.F.R. § 84.173

85 FR 20608, 4/14/2020