§84.204. Exhalation valve leakage test; minimum requirements.
42 C.F.R. § 84.204
Dry exhalation valves and valve seats will be subjected to a suction of 25 mm. water-column height while in a normal operating position.
Leakage between the valve and valve seat shall not exceed 30 milliliters per minute.
Notes, amendments, and revision history
Authority
Authority: 29 U.S.C. 651 et seq.; 30 U.S.C. 3, 5, 7, 811, 842(h), 844.
Source
Source: 60 FR 30355, June 8, 1995, unless otherwise noted.