Tractor Protection Valves Model MD

The Tractor Protection Valve is designed to incorporate several pneumatic control functions within a common housing.It is used to isolate auxiliary air system from the brake system of the truck. This in turn provides protection in case of an air leak in the auxiliary system.
3 Line automatic tractor protection valve with quick release. Features an exhaust snorkel which minimizes in-cab noise by exhausting the trailer lines outside the cab. Details: Tractor Control Port: 3/8" (NPT), Trailer Service Port: 1/2" (NPT), Trailer Emergency Port: 1/2" (NPT), Dash Valve/Reservoir Port: 3/8" (NPT), Dash Valve Port: 1/4" (NPT).
2 Line Manifold style w/exhaust tube. Tractor Emergency Inlet 3/8", Foot Control (2) 3/8", Stop Light Switch 1/4", Trailer Service Outlet 1/2", Trailer Emergency Outlet 1/2"