Exhalation valve leakage test.

Checkout our iOS App for a better way to browser and research.

§ 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.


Download our app to see the most-to-date content.