brakepipe
English
Alternative forms
Noun
brakepipe (plural brakepipes)
- (rail transport, mechanical engineering) A continuous pipe or hose filled with high-pressure air and running the length of a train, used to recharge the train's brake reservoirs with compressed air and to control the train's air brakes through changes in its internal air pressure.

Components of air brake system under a freight car (goods wagon)
Synonyms
- train line, trainline
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