
30
Tractor Protection Valves
Midland
KN34060X
2 Line Non-Automatic Style
In everyday use, valve shuts off the trailer ser-
vice (control) and emergency (supply) lines
before disconnecting the tractor from the trailer.
In emergency, protects tractor air system by
closing both lines to trailer during break away
condition.
Midland
KN34080X, KN34090X
2 Line Manifold Style
In everyday use, valve shuts off the trailer
service (control) and emergency (supply)
lines before disconnecting the tractor from
the trailer. In emergency, protects tractor
air system by closing both lines to trailer
during break away condition.
KN34080X
Shown
Part No.
Tractor
Service
Trailer
Service
Tractor
Emerg.
Trailer
Emerg.
Wght.
Core
Class
Core
Grp.
Minor
Maint. Kit
Comments
KN34060X 1 - 3/8" PT 1 - 1/2" PT 1 - 1/4" PT 1 - 1/2" PT 2 lbs. WF Y4 N/A
Part No.
Trailer
Service
Tractor
Emerg.
Trailer
Emerg.
Stoplight Switch
Hand
Control
Foot
Control
Wght.
Core
Class
Core
Grp.
Minor
Maint. Kit
KN34080X 1 - 3/8" PT 1 - 3/8" PT 1 - 3/8" PT 1 - 1/4" PT 1 - 3/8" PT 1 - 3/8" PT 2 - 3/8" PT 2 lbs. WH Y6 N/A
KN34090X 1 - 1/2" PT 1 - 3/8" PT 1 - 1/2" PT 1 - 1/4" PT 1 - 3/8" PT 1 - 3/8" PT 2 - 3/8" PT 3 lbs. WH Y6 N/A
Trailer
Emergency
Trailer
Service
Tractor
Emergency
Hand
Control
Stoplight
Switch
Foot
Control
Tractor
Emergency
Tractor
Service
Trailer
Service
Trailer
Emergency
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