Air Products
Emergency Control Pressure Protection Valve
This valve is commonly used in conjunction with the 110338 or 110376 for axles with service brake chambers only.

Often used on converter dollies, turnables, lift axles and other axle exempt from spring brake requirements.

Always install with vent port downward.
Piping Diagrams.
Part Number Inlet Port (NPT) Outlet Port (NPT) Nominal Closing Notes
110257 3/8" 3/8" 70 PSI Does not interchange with other pressure protection valves due to the special back flow feature.

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