Schoma
Relay valve for Schoma CFL-18DCL
This relay valve is a pneumatic component designed for the Schoma CFL-18DCL locomotive. It regulates air pressure within the braking system to ensure consistent operation.
Compatible models
Specifications
- Part number
- K40.000089
- Brand
- Schoma
The relay valve K40.000089 functions as a signal amplifier within the pneumatic systems of the Schoma CFL-18DCL locomotive. By utilizing a small control signal, it manages the flow of larger volumes of compressed air required for the braking system. This component ensures that air pressure is distributed effectively to the brake cylinders, allowing for uniform braking force across the wheels during operation.
This part is manufactured by Schoma and is specifically intended for use in the Schoma CFL-18DCL model. It is engineered to operate within the standard pressure and temperature ranges established for railway pneumatic systems. The valve facilitates the rapid movement of air from the main reservoir to the brake actuators, which is necessary for the controlled deceleration of the locomotive.
In pneumatic systems, a relay valve serves to reduce the time required to build pressure in remote cylinders. By acting as a local air supply point triggered by a pilot signal, the valve minimizes the distance compressed air must travel, which significantly improves the response time of the braking system in heavy machinery and rail vehicles.

