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Protected Reservoir Spring Brake Control Valves

Piping Diagrams
Mounting Hardware

Cover Plate Orientation
These spring brake valves are designed for protected reservoir systems and feature service brake priority operation. Units manufactured after October 1992 meet current FVMSS 121 standards. The built in control port prevents brake compounding.


110175 Plug Unit
For Trailers Built Before October 1992
110609 Plug Unit
For Trailers Built After October 1992
110185 Major Repair Kit
110195 Minor Repair Kit
Part Number Supply Port (NPT) Control Port (NPT) Reservoir Port A (NPT) Reservoir Port B (NPT) Delivery Ports (NPT) Cover Plate Orientation
110170 3/8" 3/8" 1/2" 1/2" 3/8" Standard (A)
110171 3/8" 3/8" 1/2" 3/8" 3/8" 90 Degree (B)
110191 3/8" 3/8" 3/8" 1/2" 3/8" 90 Degree (B)
110310 3/8" 3/8" 3/8" 1/2" 3/8" Standard (A)
110315 3/8" 3/8" 1/2" 3/8" 3/8" Standard (A)

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