Vacuum systems.

CFR · 2024-01-01 · US · Title 14

(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 (c) Other vacuum air system components in designated fire zones must be at least fire resistant.

official document · source cfr-2024 · id 14:§ 29.1433