§ 84.204 - Exhalation valve leakage test; minimum requirements.

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§ 84.204 Exhalation valve leakage test; minimum requirements.

(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.

                    
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§ 84.204 - Exhalation valve leakage test; minimum requirements.

§ 84.204 Exhalation valve leakage test; minimum requirements.