5022-S Spring Applied Brake Caliper

Spring applied calipers are used in applications where the spring keeps the brake applied and fluid pressure releases the brake. These brakes lend themselves extremely well for long term parking brakes. It is not possible to store fluid pressure for a long period. However, spring tension can be maintained almost indefinitely.

The actuators are very responsive to control pressure, and the brakes can be infinitely controlled. The slightest change in fluid pressure will cause a proportional change in brake force. 

The balancing links provided on all Kobelt brake calipers keep the spring applied actuators in the mid position and ensure equal brake lining wear on both shoes. If the balancing links are removed it will allow the brake actuator to float and compensate for a disc which is attached to a rotating element that is also floating.