Core Functions of PP-1 Dash Air Brake Control Valve

1. Parking Brake Control
The PP-1 valve applies or releases the parking brake by cutting off or supplying air pressure using a push-pull operation.

2. Emergency Brake Function
The valve automatically applies the brakes when system air pressure drops below the preset safety level.

3. Dashboard-Mounted Control
It is dash-mounted, allowing the driver to manually and visually control the parking brake.

4. Trailer Brake Control
In combination vehicles, the PP-1 valve can control or assist with trailer parking and emergency brake operation.

Note: The PP-1 valve is not a service brake valve. It is specifically a Parking and Emergency Brake Control Valve and Its purpose is to:
① Lock or release the vehicle when parked
② Provide emergency braking during air pressure loss
③ Not control braking while driving

Specifications:
Materials: Metal
Release pressure: 20 PSI
Supply port: 1/8" NPT
Delivery port: 1/8" NPT
Exhaust port: 1/8" NPT
Shaft size: 3/8"
Installation Location: Dash panel

Package Includes:
PP-1 Dash Air Brake Control Valve x 1
Knob x 1
Mounting nut x 1

Fitment:
Compatible with Bendix: 276566, 287257, 287417, 288005
Compatible with Haldex: 276566X, KN20021
Compatible with Navistar-International: 1676738C1, 1693141C1, 1693142C1
Compatible with Euclid: E-BN276566N, AV276566
Compatible with Automann: 170.276566
Compatible with Newstar: S-5675
Compatible with Midwest: WA276566
Compatible with Keene: K276566
Compatible with BWP: M-276566

Replace Part Number:
276566, 277015, 278450R955276566, RKN20001, 275175, 276570, 276580, 277015, 277072, 277090, 277556, 289034, EBN276566N, 92100200886, C3TS2A224A, 2445920, GTA-276566, 12403, KN20021, N20960, N20021, 20QE3113, 20QE3179, 745-276580, 750-1180500, WA276566, 14027, 401134, 034013, 1113099