1. Regulations
  2. title 42
  3. chapter I
  4. part 84
  5. subpart K
  6. § 84.173

View all text of Subpart K [§ 84.170 - § 84.181]

§ 84.173 - 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 must not exceed 30 mL per minute.

AUTHORITY: 29 U.S.C. 651

SOURCE: 60 FR 30355, June 8, 1995, unless otherwise noted.

CITE AS: 42 CFR 84.173