I. Core Product Positioning

Product Name: Oil-Filter Type Air Dryer Assembly

Core Attributes: A key component of heavy-duty truck air braking systems, designed specifically for heavy-duty and complex operating conditions in commercial vehicles. Certified by ISO/TS 16949 automotive industry quality standards, it serves as the "air purification hub" ensuring the long-term stable operation of the braking system. It boasts original equipment-grade quality and is compatible with mainstream heavy-duty truck models from multiple brands.

II. Core Functions and Safety Value

As the "purification barrier" of the air braking system, this assembly undertakes three key safety missions directly related to driving safety:

Deep Air Purification: Efficiently removes moisture (dew point below -40℃), oil (filtration accuracy ≥0.3μm), and solid impurities from compressed air, achieving purification efficiency exceeding […]. 98% protection, preventing contaminants from entering the brake lines at the source;

Multi-dimensional protection: Prevents water accumulation and freezing in the lines under low-temperature conditions, and component corrosion caused by humid weather. It also prevents valve jamming and seal failure caused by oil contamination, completely eliminating the risk of brake line blockage;

Ensures brake reliability: Provides dry and clean compressed air to the braking system, ensuring sensitive response of core components such as brake valves and brake chambers, especially in long-distance transportation, mountain slopes, and heavy-duty driving conditions.In scenarios such as heavy-duty operations, it maintains stable braking performance and reduces safety hazards.

III. Structural Design and Performance Advantages

1. Built-in High-Efficiency Oil Filtration Device: Precisely Intercepts Oil Pollution

Integrating a professional-grade oil filtration module, it adopts multi-layer composite filter material (glass fiber + activated carbon). Compared with ordinary filter screen designs, it has three core advantages:

High filtration accuracy: It can intercept oil mist and oil particles with a particle size ≥0.3μm, avoiding wear of the brake valve core and aging of seals, extending the service life of brake components by more than 30%;

Strong dirt holding capacity: The filter material porosity reaches 85%, and the single dirt holding capacity can reach its own weight." 20%, no need for frequent replacements, suitable for the long-cycle operation requirements of heavy trucks;

Low pressure loss design: filtration resistance ≤0.02MPa, does not affect compressed air supply efficiency, ensuring that braking response speed is not affected.

2. Integrated multi-circuit protection valve interface: simplified layout and more reliable

Adopting an integrated design with a built-in multi-circuit protection valve interface, achieving two core improvements:

Structural optimization: reducing the number of external pipelines, reducing leakage risk, while saving installation space, suitable for the compact layout of heavy truck engine compartments.;

Adaptive Pressure: Automatically distributes air pressure according to the needs of different circuits. When a circuit fails, it quickly cuts off the faulty circuit, ensuring the normal operation of other circuits and improving the redundancy and safety of the braking system;

Easy Installation: Standardized interface design, no additional adaptation or modification required, precisely matches the original pipeline, shortening assembly time.

3. High-Efficiency and Durable Drying Cylinder: Long-lasting Purification + Convenient Maintenance

As a core purification component, the drying cylinder uses high-quality molecular sieve desiccant (moisture absorption ≥20%), combined with a user-friendly design, balancing performance and practicality:

High Adsorption Efficiency: Quickly adsorbs moisture in compressed air, ensuring the outlet air dew point remains stable below -40℃, suitable for extreme environments such as high cold and high humidity;

Long Service Life: Under normal operating conditions, the service life can reach 8000 hours or 10 10,000 kilometers, far exceeding the industry average, reducing maintenance costs;

Convenient replacement: Adopting a snap-on quick-release structure, no professional tools are required, and a single person can complete the replacement in 3 minutes, reducing vehicle downtime for maintenance;

Superior regeneration performance: Supports automatic regeneration function, achieving desiccant desorption through the exhaust process, continuously maintaining adsorption capacity, and avoiding frequent replacements.IV. Precisely Matched Vehicle Models and Application Scenarios

Matched Vehicle Models (Covering Mainstream Heavy Truck Platforms):

Sinotruk Series: Howo T7H, Howo TH7, Sinotruk C7H, Sinotruk C9H, Howo J7B

Shaanxi Automobile Series: Delong X3000, Delong M3000S, Delong L3000, Delong New M3000

Other Matched Models: Foton Auman EST, FAW J7, and other heavy trucks equipped with air braking systems (original factory specifications matched)

Applicable Scenarios:

Designed specifically for heavy-duty scenarios such as long-distance logistics, engineering construction, mining operations, and cold chain transportation, it can operate in ambient temperatures of -40℃ to 60℃ and 0~100%... Stable operation within a wide range of relative humidity, adaptable to various road conditions and climates including plains, mountains, and frigid regions, it is a core component for heavy-duty trucks, ensuring braking safety and reducing maintenance costs.