Description
KN28080-G - RELAY VALVE
PART NUMBER(S):
Fleet Products: KN28080-G | Replaces OE: Haldex: KN28080, KN28080N, KN28080X, N30096N | Automann: 170.KN28080 | WABCO: 9732980080, S9732980080 | Meritor: RKN28080, R955KN28080, R955KN28080X
DESCRIPTION:
Model: 7.0 PSI Service Brake Relay Valve
Vehicles: Heavy-duty tractors and trailers using dual-supply, four-delivery air brake systems
• Valve Type: Pneumatic relay valve with single control line
• Supply Ports: Two 1/2" NPT
• Delivery Ports: Four 3/8" NPT
• Control Port: One 3/8" NPT
• Crack Pressure: 7.0 PSI ± 1.0 PSI
• Mounting: Integral bracket with 5/16" holes on 1.50" centres
• Cover: Rotatable without affecting valve operation
• Function: Provides rapid service brake application and release
Applications:
Designed for tractor and trailer air brake systems requiring a 7.0 PSI relay valve with two supply ports and four delivery ports. It is typically replaced when brake response becomes delayed, delivery pressure becomes inconsistent, or the valve develops internal or external air leakage.
CROSS-REFERENCE(S):
BARKN28080X, WBW-KN28080X, W-MDKN28080X, 28080, VTC-10792, RL3518TC02, RL3518TB, V-KN28080, 8235-RKN28080, 8235RKN28080, 51464, 6814290144, 6814290444, AVK28080, AVKN28080, BEN-KN28080X, E-MDKN28080X, EMDKN28080X, MIR-KN-28080, R955KN28080N, S-21079, S21079, TDA RKN28080, TDARKN28080, TRKN28080, TV28080, TV28080TEC, ZZKN28080, ZZKN28080X, 8235R955KN28080X, R955KN28080XRI, TDAR955KN28080X, 72201-0022, 722010022, BBH-KN28080, BBHKN28080, HKN28080, MBIKN28080, MKN28080, TWDHKN28080, WABRKN28080, WAKN28080, 670-S21079, RV070
A cross-reference listing means this part may be a suitable replacement for the listed part numbers. Always verify fitment before installation.
IMPORTANT INSTALLATION NOTES:
✔ Confirm the two 1/2" supply ports, four 3/8" delivery ports, and one 3/8" control port.
✔ Mount using 5/16" hardware on 1.50" centres.
✔ Rotate the cover only as required for correct air-line routing.
✔ Verify the application requires a 7.0 PSI ± 1.0 PSI crack pressure.
✔ Replace damaged lines or seals, then leak-test brake application and release.
Warranty Information
