110500 Spring Brake Valve Operation Spring brake valves fill the air system reservoirs in different ways dependent upon need and/or performance requirements. This is most pronounced when the reservoirs are empty.

Manufacturer: Sealco Pat Number: 110500 Condition: New The spring brake priority immediately provides supply air to release the spring brakes and the internal pressure protection valve opens to fill the reservoir at approximately 80 psi. Complies with FMVSS 121 regulations including Docket 90-3 effective October 8, 1992

The 110800 incorporates the same fast fill feature (using reservoir air to fill the spring brakes) as the 110700. It acts as does the 110500 (Spring Brake Priority) when the reservoir is empty. When trailer air reservoir is full, the valve delivers air to spring brake chambers immediately due to the valve’s relay feature.

Sealco valves are well-recognized in the industry for their remarkable quality, with a patented zinc alloy construction that's pneumatically and submersion-tested to ensure zero leakage. …

These valves release the spring brakes using supply line flow from the tractor. They are designed for spring brake priority operation. The built in control port prevents brake compounding. We have 10 alternatives for the 110500 by SEALCO:

The Sealco ½” Reservoir Port Spring Brake Control Valve (SKU:110500) serves as a pressure release for your commercial trailer’s spring brakes. This control valve vents excess pressure rapidly whenever the internal pressure of the spring brake system reaches 80 PSI or greater.

One of the most popular spring brake valves, the Sealco Spring brake priority valve immediately provides supply air to release the spring brakes and once the brakes are released then the internal pressure protection valve opens to fill the reservoir at approximately 80 psi.