Air Valve Relay

Type	RELAY VALVE
Place of Origin	Zhejiang, China
Purpose	For replace/repair
OE NO.	AC577A
Application	Air Brake Valve
Single Box Net Weight	0.583 KGS
Single Box Size	12.7 CM*11 CM*12 CM

 

 

AC577A Air Valve Relay belongs to RELAY VALVE.

 

Core Functions

·Safety Isolation Mechanism

  -Provides physical isolation between service brake and parking brake systems

  -Prevents simultaneous activation through differential pressure management

·Rapid Response Characteristics

  -Large flow diameter design enables high-speed air charging/exhausting

  -Ensures quick pressure buildup in brake chambers

 

Protection Mechanisms

·Mechanical Interlock Protection

  -Speed-sensitive parking brake lockout function

  -Prevents abnormal torque impact on driveline components

·Pressure Balance Control

  -Automatically adjusts pressure difference between dual circuits

  -Avoids force superposition in compound brake chambers

 

System Advantages

·Enhanced Reliability

  -Complies with international standards for commercial vehicle braking systems

  -Effectively prevents mechanical damage caused by misoperation

·Maintenance Convenience

  -Modular design facilitates system integration

  -Self-adjusting feature reduces need for manual intervention

 

Application Characteristics:

·Suitable for heavy-duty commercial vehicle dual-circuit brake systems

·Supports coordinated management of service/parking brakes

·Integrates dual protection with mechanical and pneumatic functions

 

 

AC577A Air Valve Relay belongs to Air Brake Valve.

 

Structural Features

·Port Specifications

  -Standard European threaded ports

  -Ports 1/2: M22×1.5

  -Port 4: M16×1.5

  -Optimized for airflow control in heavy-duty braking systems

·Material Technology

  -Full metal anti-corrosion construction

  -Suitable for high-frequency, high-intensity operating environments

 

Performance Characteristics

·Control Precision

  -Enables precise multi-circuit air pressure regulation

  -Ensures linear and consistent braking response

 

Application Advantages

·Reliability

  -Complies with European commercial vehicle braking regulations

  -Integrated fail-safe mode design

·Compatibility

  -Compatible with mainstream European commercial vehicle platforms

  -Supports coordination with electronic control units

 

Installation Requirements:

·Port connections must be tightened to specified torque

·Regular inspection of sealing components recommended

·Air circuits must be cleaned prior to system installation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q：Does the factory accept visits?

A：Yes, we welcome customers to visit our factory, but please make an appointment in advance so that we can prepare for the reception.

 

Q：What are the main products of the factory?

A：We mainly produce clutch control components, pressure brake system components, height valves and shift boosters and other products.

 

Q：Can you offer OEM&ODM?

A：Yes, our factory provides OEM and ODM services, and can design and develop products according to customer needs.

 

Q：How long will your delivery time be?

A: The delivery date depends on your order. Under normal circumstances, the delivery date is usually 3-20 days. If it is a large order or if there are special circumstances, we can negotiate the delivery date.

 

Q：How does the factory control product quality?

A：Our factory has a strict quality control system, and every link from raw material procurement to finished product delivery undergoes strict inspection.