Title 42
SECTION 84.92
84.92 Exhalation valve leakage test.
§ 84.92 Exhalation valve leakage test.(a) Dry exhalation valves and valve seats will be subjected to a suction of 25 mm. (1 inch) water-column height while in a normal operating position.
(b) Leakage between the valve and the valve seat shall not exceed 30 milliliters per minute.