Air Brake Relay

AC574AXY Air Brake Relay belongs to RELAY VALVE.

The relay valve (commonly termed quick-release valve) serves as a critical pressure amplification and distribution node in commercial vehicle air brake circuits. Positioned at extended pipeline terminals, this component dramatically improves braking response times through intelligent air management.

Key Performance Features:

·Rapid Pressure Transfer

  -Reduces air travel distance by 60-80% versus direct feeds

  -Achieves 95% chamber fill in <0.3 seconds (at 10 bar supply)

·Dual-Action Efficiency

  -Boost Phase: Amplifies control signal pressure 3:1

  -Exhaust Phase: Dumps chamber air 40% faster than standard valves

·System Optimization

  -Lowers compressor cycling frequency by 35%

  -Extends air dryer service intervals through reduced moisture ingress

Heavy-Duty Applications:

·Multi-axle truck/trailer combinations

·Articulated bus rear bogies

·Mining equipment brake circuits

Maintenance Advantages:

·Field-rebuildable cartridge design (15-minute service time)

·Integrated wear indicators for diaphragm replacement alerts

·Compatible with synthetic lubricants (ISO VG 32)

AC574AXY Air Brake Relay belongs to Air Brake Valve. This pneumatic control valve features M22×1.5 ports (Connections 1 & 2) and M16×1.5 (Connection 4), designed for precise airflow regulation in heavy-duty braking systems. The standardized threading ensures compatibility with global truck pneumatic circuits.

Q：What is the factory's minimum order quantity (MOQ)?

A: We can negotiate according to the needs of customers.

Q：How to obtain technical support when encountering problems during the use of accessories?

A：You can contact our technical support team through our customer service hotline, online chat, or email, and they will provide you with professional assistance and solutions.

Q：Can you send products to my country?

A: Sure, we can. If you do not have your own ship forwarder, we can help you.

Q：What is the delivery time?

A：The delivery time depends on the order quantity and product type, generally ranging from 2 days to 4 weeks.

Q：Does the factory provide samples?

A：Yes, we can provide samples for customers' reference and testing, but a certain sample fee may be charged.