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Vacuum Brake Testing

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Fatigue and life cycle testing are important tests to perform when manufacturing brakes. This application show Proportion-Air products being used for vacuum brake testing.

In this drawing, a QB2 on an RMV-Series volume booster is controlling vacuum through a vacuum reservoir to the vacuum side of a brake booster. Additionally, a QB3 is applying force on the actuator side of the brake booster in a fatigue test. A directional valve switches motion to test push and pull on the diaphragm until failure. Using an electronic regulator will hold the vacuum tighter and more accurately. 

Learn more about our QB2 concept.

Learn more about the QB3

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