Tractor Protection Valve
The Tractor Protection Valve Manufacturer!
Zhuji Juntai Auto Spare Parts Co.,Ltd. was established in 2011 and located in Zhuji City, Zhejiang Province, China. Our factory has professional technicians team and excellent sales team, which can help us to provide our clients good quality and perfect service.
Why choose us
Excellent Team
Our factory has professional technicians team and excellent sales team, which can help us to provide our clients good quality and perfect service.
Quality Assurance
ISO 9000 certificate of conformity of quality management system certification; certificate of utility model patent; SGS gold plus supplier assessment certificate.
Reputation
A company with a positive reputation is more likely to attract customers. Reputation is built through consistent quality service or products, good customer relations, and reliability.
Production Market
Our products are exported to over 100 countries in Southeast Asia, Europe, Africa, America, and other regions, as well as domestic automotive after-sales markets and repair shops. The annual transaction volume exceeds 20 million yuan.
|
Type |
TRACTOR PROTECTION VALVE |
|
Place of Origin |
Zhejiang, China |
|
Purpose |
For replace/repair |
|
OE NO. |
065706 K065706 |
|
Application |
TRAILER SYSTEM |
|
Single Box Gross Weight |
0.619 KGS |
|
Single Box Net Weight |
0.570 KGS |
|
Single Box Size |
16.5 CM*11.7 CM*9.7 CM |
Features of Tractor Protection Valve
Trailer Control Port (Primary):
1/2" NPT
Trailer Supply Port (Primary):
1/2" NPT
Tractor Control Ports (Primary & Secondary):
Two 3/8" NPT ports for dual-circuit brake control
Tractor Supply Port:
1/4" NPT for air input
Stop Light Switch Port:
1/4" NPT (activates trailer brake lights upon braking)
Auxiliary Port:
1/4" NPT for additional functions
Quick Visual Inspection of Tractor Protection Valve

Leaks:
Any fluid dripping or seeping around the valve, connecting pipes, or fittings Even minor leaks indicate a potential problem.

Damage:
Bumps, cracks, or dents on the valve or its connections Damage compromises its structural strength.

Corrosion:
Rust or corrosion, particularly in weather-exposed areas Corrosion weakens the valve's integrity.

Secure Connections:
Are all fittings and pipes firmly connected Loose connections are prime leak candidates.
Tractor Protection Valve: A Detailed Procedure
Preparation:
Gather necessary tools, ensuring your vehicle is safely parked and secured. Disconnect the air supply before proceeding.
Mounting:
Securely attach the TPV to its designated mounting point, usually located near the back of the cab. Double-check for a firm and secure connection.
Air Line Connections:
Connect the air lines, ensuring all connections are tight and secure. Avoid cross-threading to prevent air leaks, a significant cause of braking issues.
System Testing:
After installation, conduct a thorough system check for leaks and verify proper valve operation. Refer to your owner's manual for specific testing procedures.
Packing And Shipping









