Air Brake Service Relay Valve

Type	RELAY VALVE
Place of Origin	Zhejiang, China
Purpose	For replace/repair
OE NO.	281865 T281865 07-011371 9710050000 RL3527AD RE-6-11010E 9018245 kdp2356 JT3518AQ 281672 RL3527AC
Material	Aluminium Alloy
Application	Air Brake Valve
Gross Weight	33.04 KGS
Net Weight	28.5 KGS
Packing Quantity	25 PCS/CTN
Package Dimensions	52 CM*46 CM*28 CM

 

 

281865 Air Brake Service Relay Valve belongs to RELAY VALVE.

 

Core Functions

·Pressure Amplification

  -Converts low-pressure control signals into high-pressure output

  -Enables rapid inflation and deflation of brake chambers

·Dynamic Response

  -Automatically adapts to braking requirements under varying load conditions

  -Maintains balanced pressure distribution across multiple axles

 

Performance Features

·Intelligent Control

  -Supports coordination with electronic control systems

  -Provides emergency braking backup mode

·Safety Protection

  -Prevents wheel lock-up phenomena

  -Avoids stability issues such as vehicle skidding

 

Technical Advantages

·Durability

  -Special surface treatment enhances wear resistance

  -High-strength sealing materials ensure long service life

·Maintenance Convenience

  -Built-in diagnostic interface facilitates pressure detection

  -Modular design simplifies maintenance procedures

 

Application Characteristics:

·Suitable for multi-axle brake systems in commercial vehicles

·Supports load-sensing brake distribution

·Compatible with anti-lock braking system functions

 

 

281865 Air Brake Service Relay Valve belongs to Air Brake System.

 

Structural Features

·Port Configuration

  -3/8" NPT reservoir connection port

  -Four delivery ports (two 1/4" NPT and two 3/8" NPT)

  -1/4" NPT service control port

·Flow Design

  -Optimized internal passage geometry

  -Multi-circuit independent airflow distribution

 

Functional Characteristics

·Precision Control

  -Balanced pressure output across delivery circuits

  -Minimal pressure drop during transmission

·Application Adaptability

  -Suitable for various brake chamber configurations

  -Compatible with standard pneumatic interfaces

 

Performance Advantages

·Reliability

  -Robust construction for heavy-duty applications

  -Consistent performance under frequent cycling

·Installation Flexibility

  -Standardized port threading for easy integration

  -Compact design saves installation space

 

Operational Notes:

·Requires proper pipe sealing during installation

·Recommended periodic inspection of port connections

·Ensure air supply quality to maintain valve performance

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q：How long will it take to receive the accessories after placing the order?

A：The logistics transportation time varies by region. Generally, the goods are shipped within 3-7 working days after placing the order. Please check the logistics information for the specific arrival time.

 

Q：Where is the factory located?

A：It located in Diankou Industrial Zone, Zhuji City, Zhejiang Province, China, known as "The Hardware City in South China" with convenient transportation and developed freight.

 

Q：How long does it take to customize a product?

A：The production cycle of customized products is usually longer than that of standard products, depending on the design complexity and production schedule.

 

Q：How to check the inventory status of a certain accessory?

A：We have a system to check the stock of the corresponding product.

 

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.