
16
Relay Valves
Midland/Wagner
A86473X, A86477X,
A103600X
RF Relay Valve
4 Port Delivery
Used to apply and release service brakes
on tractor or trailer.
A86473X
Shown
Midland/Wagner
A97600X
RS-2 Tandem Valve
4 Port Delivery
Used to apply and release service brakes
on trailer. Is two relay valves in one hous-
ing with a single control port. Has depen-
dent supplies (2) and treats the service
brakes on two axles dependently.
Control
Delivery
Supply
Control
Delivery
Delivery
Supply
Supply
Part No.
Supply
Ports
Delivery
Ports
Control
Ports
Crack
Pressure
Wght.
Core
Class
Core
Grp.
Minor
Maint. Kit
Comments
A86473X 1 - 1/2" PT 4 - 1/2" PT 1 - 1/4" PT 4.5 ±1 PSI 3 lbs. VJ V9 VK1022
A86477X 1 - 3/4" PT 4 - 1/2" PT 1 - 1/4" PT 4.5 ±1 PSI 3 lbs. VJ V9 VK1022
A103600X 2 - 3/4" PT 4 - 3/8" PT 1 - 1/4" PT 4.5 ±1 PSI 3 lbs. VJ V9 VK1022
Part No.
Supply
Ports
Delivery
Ports
Control
Ports
Crack
Pressure
Wght.
Core
Class
Core
Grp.
Minor
Maint. Kit
Comments
A97600X 2 - 1/2" PT 4 - 3/8" PT 1 - 1/4" PT N/A 4 lbs. VK W1 VK1024
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