14 CFR 29.1433 - Vacuum systems.
(a) There must be means, in addition to the normal pressure relief, to automatically relieve the pressure in the discharge lines from the vacuum air pump when the delivery temperature of the air becomes unsafe.
(b) Each vacuum air system line and fitting on the discharge side of the pump that might contain flammable vapors or fluids must meet the requirements of § 29.1183 if they are in a designated fire zone.
Title 14 published on 2015-01-01.
No entries appear in the Federal Register after this date, for 14 CFR Part 29.