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§ 84.137 Inhalation and exhalation valves; check valves; minimum requirements.
(a) Inhalation and exhalation valves shall be provided where necessary and protected against distortion.
(b) Exhalation valves shall be:
42 C.F.R. § 84.137
Inhalation and exhalation valves; check valves; minimum requirements.
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Source: 60 FR 30355, June 8, 1995, unless otherwise noted.
Table of Contents
Subpart J—Supplied-Air Respirators
- §84.130 Supplied-air respirators; description.
- §84.131 Supplied-air respirators; required components.
- §84.132 Breathing tubes; minimum requirements.
- §84.133 Harnesses; installation and construction; minimum requirements.
- §84.134 Respirator containers; minimum requirements.
- §84.135 Half-mask facepieces, full facepieces, hoods, and helmets; fit; minimum requirements.
- §84.136 Facepieces, hoods, and helmets; eyepieces; minimum requirements.
- §84.137 Inhalation and exhalation valves; check valves; minimum requirements.
- §84.138 Head harnesses; minimum requirements.
- §84.139 Head and neck protection; supplied-air respirators; minimum requirements.
- §84.140 Air velocity and noise levels; hoods and helmets; minimum requirements.
- §84.141 Breathing gas; minimum requirements.
- §84.142 Air supply source; hand-operated or motor driven air blowers; Type A supplied-air respirators; minimum requirements.
- §84.143 Terminal fittings or chambers; Type B supplied-air respirators; minimum requirements.
- §84.144 Hand-operated blower test; minimum requirements.
- §84.145 Motor-operated blower test; minimum requirements.
- §84.146 Method of measuring the power and torque required to operate blowers.
- §84.147 Type B supplied-air respirator; minimum requirements.
- §84.148 Type C supplied-air respirator, continuous flow class; minimum requirements.
- §84.149 Type C supplied-air respirator, demand and pressure demand class; minimum requirements.
- §84.150 Air-supply line tests; minimum requirements.
- §84.151 Harness test; minimum requirements.
- §84.152 Breathing tube test; minimum requirements.
- §84.153 Airflow resistance test, Type A and Type AE supplied-air respirators; minimum requirements.
- §84.154 Airflow resistance test; Type B and Type BE supplied-air respirators; minimum requirements.
- §84.155 Airflow resistance test; Type C supplied-air respirator, continuous flow class and Type CE supplied-air respirator; minimum requirements.
- §84.156 Airflow resistance test; Type C supplied-air respirator, demand class; minimum requirements.
- §84.157 Airflow resistance test; Type C supplied-air respirator, pressure-demand class; minimum requirements.
- §84.158 Exhalation valve leakage test.
- §84.159 Man tests for gases and vapors; supplied-air respirators; general performance requirements.
- §84.160 Man test for gases and vapors; Type A and Type AE respirators; test requirements.
- §84.161 Man test for gases and vapors; Type B and Type BE respirators; test requirements.
- §84.162 Man test for gases and vapors; Type C respirators, continuous-flow class and Type CE supplied-air respirators; test requirements.
- §84.163 Man test for gases and vapors; Type C supplied-air respirators, demand and pressure-demand classes; test requirements.