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Hebei Nanfeng Automobile Equipment (Group) Co.,Ltd
Phone: +86 18811334770
Tel: +86 0317 8620396
Tel: +86 010 58673556
Candy Jiao
E-mail: nh.jiao@auto-parkingheater.com
Email: nh.li@auto-parkingheater.com
Add: Room 505, Building B, Free Town Center, No.58, East Third Ring South Road, Chaoyang District, Beijing, 100022, P.R.China
Automobile Cooling System 3 Way Valve
The three-way valve for air conditioning in new energy vehicles is a key component in the thermal management system, mainly used to precisely control the direction and flow rate of refrigerant in the air conditioning circuit.
Description
If you're looking for the automobile cooling system 3 way valve, welcome to wholesale the product from our factory. As one of the leading manufacturers and suppliers in China, we will offer you the best service and fast delivery. Now, check the quotation with our seller.
Automobile Cooling System 3 Way Valve
Products Description

The three-way valve for new energy vehicle air conditioning is a key component in the thermal management system, primarily used to precisely control the flow direction and volume of refrigerant in the air conditioning circuit. Through flexible valve core switching, it enables rapid conversion between different modes such as cooling, heating, or dehumidification, thereby efficiently managing the vehicle's interior temperature.
In heating mode, the three-way valve guides the refrigerant to the in-vehicle condenser to release heat; during cooling, it switches to the external condenser for heat dissipation. This intelligent flow diversion significantly improves system energy efficiency, directly contributing to extending the driving range of electric vehicles. Simultaneously, it reduces energy consumption and noise by minimizing frequent compressor start-stop cycles, enhancing passenger comfort.
As the integration requirements for thermal management in new energy vehicles continue to increase, the importance of precision control components such as electronic expansion valves and three-way valves is becoming increasingly prominent. Their high efficiency, reliability, and intelligent characteristics play a crucial supporting role in optimizing overall vehicle energy and improving the driving experience, making them an indispensable core component of new energy vehicle air conditioning systems.
Products Parameter
| No | Parameter name | Values |
| 1 | Water valve internal leakage | ≤20mL/min (water test), 30kPa pressure difference |
| 2 | Water valve external leakage | ≤5mL/min (gas test), 340kPa (gauge pressure) |
| 3 | Mode switching response time | <10s |
| 4 | Control method | LIN |
| 5 | Standard operating voltage | 24V |
| 6 | Operating voltage range | 20V~30V |
| 7 | Lifespan | 300,000 switch cycles |
Product installation method
The installation location diagram is shown below (allowed installation angles):

Connection requirements with the vehicle:

★It is recommended to install rubber shock-absorbing pads at the bottom of the two M6 connection mounting holes, with a hardness of HA70~80.
Products Details






Theoretical flow resistance curve of water valve (100% fully open)
| Medium | 50% ethylene glycol |
| Temperature | 25℃ |
| Outer diameter of the pipe | Φ25 |
| Flow | 5-50L/min |


Quality control
Process
Strict process control and 6S management.
Sales
Quality risk evaluation before/after sales.

Design
Fully participate in product design.
Delivery
No quality loss in delivery.
Products Application

Our Company

Our Exhibition

Our Advantage
1. Easy to install
2. Smooth operating with no noise
3. Strict quality management system
4. Superior equipment
5. Professional services
6. OEM/ODM services
7. Offer sample
8. High-quality products
1) Variety types for selection
2) Competitive price
3) Prompt delivery
1. Customized--We are the manufacturer! sample &OEM&ODM are available!
2. Safety--We have our own test chart, and all of our products have been rigorously tested in the factory.
3. Certification--We have CE and quality management system certification.
4. High Quality -Our company uses the most advanced equipment to make the best quality products.
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