42 CFR § 84.147 Approval of Respiratory Protective Devices

§ 84.147 Type B supplied-air respirator; minimum requirements.

Current through Oct 8, 2026 · Read all of Part 84

No Type B supplied-air respirator shall be approved for use with a blower or with connection to an air supply device at positive pressures.

← § 84.146 Method of measuring the power and torque required to operate blowers.§ 84.148 Type C supplied-air respirator, continuous flow class; minimum requirements. →