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Relay Valve - Delivery Plug-WABCO
Engineered with WABCO’s high-reliability components, the valve enhances air-flow efficiency, reduces pressure losses, and ensures balanced braking across axles. The integrated delivery plug design helps maintain pressure integrity, ensuring stable brake performance under varying load and road conditions. Its durable and corrosion-resistant construction ensures long service life even in harsh environments.
By optimizing air distribution, the relay valve improves safety, reduces brake lag, and enhances overall braking efficiency.
Key Features
- WABCO precision relay valve with delivery plug
- Ensures rapid and balanced brake application
- Enhances airflow efficiency and reduces brake lag
- Corrosion-resistant, durable construction for long service life
- Reliable operation under heavy load and high-pressure conditions
Product Specifications
| GROUP | MODEL | REF. PART NUMBER | SPECIFICATIONS |
|---|---|---|---|
| 11.070 | 3128, 2523, 2528 | A0004292444 | Relay Valve – WABCO – Delivery Plug Type – Air Brake System |
Process Steps
- Depressurize the air-brake system completely.
- Disconnect air lines from the old relay valve.
- Remove mounting bolts and detach the valve assembly.
- Install the new relay valve and secure it with proper torque.
- Reconnect air lines according to OEM port marking.
- Recharge the system, check for leaks, and test brake response.
FAQ
Why is WABCO preferred?
WABCO valves offer high reliability, fast response, and long service life in demanding commercial applications.
When should the relay valve be replaced?
Replace if air leakage, slow brake response, uneven braking, or contamination is detected.
