Most trucks, buses, mobile cranes, and rail vehicles have pneumatic braking systems. This means that compressed air is applied to keep the brake open. The brake closes as soon as the compressed air supply is interrupted. These systems are designed this way for safety reasons. If the compressor stops working or a compressed-air hose ruptures, the brake is applied immediately.
Air dryer box spin-ons – applications
Air dryer box spin-ons are installed inside brake systems to remove moisture from the air and, optionally, to bind oil droplets. They contain special granules for moisture removal and glass-fiber discs, which bind oil droplets.
Air dryer box spin-ons – requirements
The main quality criterion for an air dryer box spin-on is the performance of the granules. They must ensure that moisture is consistently absorbed during the period of use. The vehicle’s vibrations and jolting movements must not cause the granules to settle or vibrate.
They must also exhibit extreme pulsation stability – city buses, for example, brake several times a minute, causing the pressure inside the air dryer box spin-on to change from “full pressure” to “zero pressure” every minute. This results in up to 1,500 pressure changes per day.
Since our products have been specially developed with and for the brake compressor manufacturers, we can guarantee that they meet all these requirements!
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