§84.173. Exhalation valve leakage test.
42 C.F.R. § 84.173
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 must not exceed 30 mL per minute.
Notes, amendments, and revision history
Source
Source: 85 FR 20608, Apr. 14, 2002, unless otherwise noted.
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.