Feature●Complies with FMVSS 121 regulations including Docket 90-3 effective October 8, 1992●Designed for use with a single reservoir on a typical single or tandem axle trailer●May also be used with two 1,400 cubic inch (nominal) reservoirs on tandem axle trailers●4 Delivery ports●Supply port size = 3/8" pipe thread●Control port size = 3/8" pipe thread●Reservoir port size = 1/2" pipe thread●Delivery Ports: 3/8" NPTDescription
Spring Brake Control Valve, Provides Anti-Compounding, Pressure Protection, And Pressure Holding, 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.