Text in force at CS29-12: from CS29-0, effective 14 Nov 2003.
(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 tem perature of the air becomes unsafe.
(b) Each v acuum air system lin e an d fittin g on t he di scharge si de of t he pum p t hat m ight contain flammable vapours or fluids must meet the requirements of C S 29.1183 i f t hey are i n a designated fire zone.
(c) Other vacuum ai r sy stem com ponents i n designated fi re zones m ust be at l east fire resistant.
ED Decision 2003/016/RM · Source