Home (Triple Valve)
Home  
 
 


 

Triple Valve

Model railroad TrestleTrolley

 


Triple Valve
The operation of the brake on each vehicle is controlled by the "triple valve", so called because it has three functions - to release the brake, to apply it and to hold it at the current level of application.

KICKER"Triple valve in defective order, which throws air brakes into emergency when only a service application is intended, or sometimes by a bump of the train ...

Also called a triple valve
ABD Valve
An improvement of the AB Valve that features a quick release.
ABDW Valve
An improvement of the ABD Valve.

See also: Train, Locomotive, Operation, Signal, Freight car