42 C.F.R. § 84.158

Current through October 31, 2024
Section 84.158 - 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 shall not exceed 30 milliliters per minute.

42 C.F.R. §84.158