5-42
U.S. 888-725-9355
Canada 800-387-3889
AIR BRAKE PROTECTION VALVES
CRACK
PRESSURE
ACCESSORY
PORT
EUCLID NO.
NEW/
REMAN REPLACES
OPEN CLOSE B C CORE NO.
CORE
GRP APPLICATION AND GENERAL INFORMATION
E-MDKN31000X
Reman
Midland KN31000X 65 psi 45 psi 1/4” 1/8”
XC1176 MD391
Pressure Protection Valves - Protects
the brake system from accessory
failure. Used to isolate and protect
one reservoir supply from another
by closing at its pressure setting.
Also used in rapid buildup systems
where it delays the filling of auxiliary
reservoirs until a preset pressuer
is reached in the primary reservoir.
Pressure Setting on the PR-2 is
adjustable.
E-MDKN31010X
Midland KN31010X 102 psi 88 psi None None
SPECIFICATIONS
EUCLID NO.
NEW/REMAN
REPLACES
STYLE INLET OUTLET
OPEN
CLOSE
QUICK FIX REPAIR KIT
E-SL140370
Price Point
Sealco 140370
A
1/4”
1/4”
70 psi
60 psi
E-SL140271
E-SL140380
Sealco 140380
80 psi
70 psi
E-SL140281
E-SL140200
Sealco 140200
3/8”
3/8”
70 psi
60 psi
E-SL140201
E-SL140270
Sealco 140270
E-SL140271
E-SL110257
Sealco 110257
B
75 psi
70 psi
E-SL110258
Sealco 110258
E-SL140390
Sealco 140390
A
80 psi
E-SL140280
Sealco 140280
E-SL140281
E-SL140290
Sealco 140290
90 psi
80 psi




