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This valve is used on axles with service brake chambers only. It is commonly used on dollies, trailer turntables, and other axles exempt from spring brakes requirements.
This inline valve will pass and retain supply pressure to the delivery port until the supply pressure drops to less than half that of the delivery. Vents pressure quickly at the valve rather than the supply source. Holding feature retains delivery...
Auxiliary Supply (NPT) = 3/8'' Control Port (NPT) = 3/8'' Reservoir Port (NPT) = 3/4'' Delivery Ports (2) (NPT) = 3/8'' Nominal Crack Pressure = 4.5 PSI
Non-ABS two port service relay valves in several configurations. Control Port (NPT) = 3/8'' Reservoir Port (NPT) = 1/2'' Delivery Ports (NPT) = 3/8'' Nominal Crack Pressure = 1.5 PSI
Non-ABS four port service relay valves in several configurations. Control Port (NPT) = 3/8'' Reservoir Port (NPT) = 3/4'' Deliver Ports (NPT) = 3/8'' Nominal Crack Pressure = 1.5 PSI
Non-ABS four port service valves. Auxiliary Support (NPT) = 3/8'' Control Port (NPT) = 3/8'' Reservoir Port (NPT) = 3/4'' Delivery Ports (2) (NPT) = 3/8'' Nominal Crack Pressure = 4.5 PSI
Non-ABS two port service relay valves in several configurations. Control Port (NPT) = 3/8'' Reservoir Port (NPT) = 1/2'' Delivery Ports (NPT) = 3/8'' Nominal Crack Pressure = 5.5 PSI
Dolly Control Line Valves are primarily used on dollies and turntable axles. Their ability to increase control line flow speeds brake application and release times dramatically. Modified dolly port helps offset timing inbalances in certain brake systems...
This valve is typically used to deflate air suspension ride bags when the trailer is parked. It exhausts the delivery line when the pilot pressure is released. Pressurizing the pilot allows supply to flow to the delivery port. NPT Port Size = 3/8'' All
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