the aforementioned detector - composed of ball valve, high flow and discharge semi-check valve, hoses, hose connection devices, nipples, "t" reduction coupling, steel cable, fuses for emergency break, fixing bracket and alignment of the steel cable and support for welding in the wagon - it is connected directly to the pipeline containing the pressurized air so that the brakes are applied, and when one of the axles of some wagon breaks, or one of the wheels of the truck leaves the rail, said axle falls on the steel cable that is connected to a metal fuse that is broken, releasing the pressurized air from the pipeline and immediately applying the brakes of all wagons, in order to avoid the derailment of the other wagons .
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