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Trailer Control Valve

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  • Diankou Industrial Area, Zhuji, Zhejiang, China

  • +86-575-87657752

  • +86-13456546016

  • [email protected]

Zhuji Weicheng Auto Parts Co.,Ltd.

Zhuji Weicheng Auto Parts Co., Ltd. is located in Diankou Town, Zhuji City, Zhejiang province of China. As China OEM Truck Trailer Control Valves Manufacturers, Factory, we specialize in the research, development, design, and manufacture of heavy duty trucks and trailers control system accessories.

Our products including foot brake valve, hand brake valve, relay valve, unloader valve, four circuit protection valve, trailer control valve, air dryer, spring brake chamber, clutch booster, and slack adjuster, are widely used on many types of the heavy vehicle around the world, such as MERCEDES BENZ, SCANIA, VOLVO, MAN, DAF, and HINO.

Our company introduces hi-tech quality testing instruments and precise production equipment. Truck Trailer Control Valves OEM. Meanwhile，we have also invited senior engineers and professional technicians to engage in product research, development, and production. At present, our products of the highest quality, competitive price, and excellent services have won a good reputation among customers at home and abroad.

For the Customer Provides the Omni-directional Service

  • For Manufacturers & Fabricators

    • Automotive Parts, Precision Tools & Dies
    • High quality CNC machining parts and Special Automation equipment.

  • For Wholesalers& Distributors

    • Competitive pricing on bulk orders
    • The customers are different but Weicheng has one unique philosophy to guide the latter to success.

  • For Project Contractors

    • Produce custom auto parts with client-specific measurements
    • Hundreds of CNC precision tooling and molds diversify your marketing campaign.

Company Certificate

As Wholesale Truck Trailer Control Valves Factory, our products have a variety of certification,
SGS/ROHS/ISO14001/IATF16949

  • Address:

    Diankou Industrial Area, Zhuji, Zhejiang, China

  • Mob:

    +86-13456546016

  • Tel:

    +86-575-87657752

  • Fax:

    +86-575-87616386

  • Email:

    [email protected]

If you need it, please contact us!

We have a strong R&D team,and we can develop and produce products according to the drawings or samples the customers offered.

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Industry Knowledge

The trailer control valve, also known as the trailer brake control valve or trailer supply valve, is an important component of the air brake system in trucks equipped with trailers. It allows the driver to control and regulate the air pressure supplied to the trailer's brake system. Here are some common characteristics of the trailer control valve:
Pressure Regulation: The trailer control valve regulates the air pressure supplied to the trailer's brake system. It allows the driver to adjust the pressure based on the specific braking requirements of the trailer.
Trailer Brake Activation: When the driver applies the truck's service brakes, the trailer control valve ensures that the appropriate amount of air pressure is supplied to the trailer's brake system, activating the trailer brakes and assisting in deceleration.
Trailer Brake Release: Upon releasing the truck's service brakes, the trailer control valve helps release the air pressure from the trailer's brake system, disengaging the trailer brakes and allowing the trailer to roll freely.
Trailer Emergency Brake Function: In the event of a catastrophic failure or loss of air pressure in the system, the trailer control valve may incorporate an emergency brake function. Engaging this function activates the emergency braking system on the trailer, bringing it to a stop.
Trailer Air Supply Connection: The trailer control valve is equipped with connections to receive the air supply from the truck's air brake system. These connections ensure the transfer of compressed air from the truck to the trailer's brake system.
Compatibility and Mounting: Trailer control valves are designed to be compatible with the specific air brake system and trailer configuration. They are typically mounted near the driver's position within easy reach for convenient operation.
Durability and Reliability: Trailer control valves are built to withstand the demanding operating conditions encountered in heavy-duty applications. They are made from durable materials and designed to resist vibration, temperature extremes, moisture, and other environmental factors.
Compliance with Standards: Trailer control valves adhere to industry standards and regulations to ensure safety and compliance. They meet requirements set by organizations such as the National Highway Traffic Safety Administration (NHTSA) and relevant regional safety regulations.
Maintenance and Serviceability: Trailer control valves are designed for ease of maintenance and serviceability. They may have accessible mounting brackets, connections, and fittings, allowing for straightforward installation, inspection, and replacement during maintenance or repairs.
Zhuji Weicheng Auto Parts Co., Ltd.

Zhuji Weicheng Auto Parts Company masters advanced technologies, and manufacture efficient and durable products for customers as the company's responsibility. Truck Trailer Control Valves Manufacturers in China