
21
Relay Emergency Valves
Midland/Berg
12350X
4 Port Delivery
Used on converter dollies and pre-1975
trailers. Relay function applies & releases
service brakes during normal operation.
Automatically applies all service brakes
when trailer supply (emergency) line loses
pressure (disconnected or break away).
Delivery
Supply
Emergency
Delivery
Delivery
Control
Emergency
Part No.
Supply
Ports
Delivery
Ports
Control
Ports
Emerg.
Ports
Crack
Pressure
Wght.
Core
Class
Core
Grp.
Minor
Maint. Kit
Comments
12350X 1 - 3/4" PT 4 - 3/8" PT 1 - 1/4" PT 2 - 3/8" PT N/A 3 lbs. VX X5 N/A
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