3 Way Chilled Water Valve

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3 way chilled water valve

 

3 way chilled water valves use a DC motor and gearbox to control valve rotation, achieving reversing or flow regulation functions.

The valve position is controlled by a DC motor, gearbox, and position sensor. The position sensor outputs a corresponding voltage based on the valve angle.

 

3 way chilled water valves can be designed in diameters ranging from 16Øs to Ø25, requiring only changes to the pipe dimensions.

The Ø25 water valve allows for flow rate control from 5 L/MIN to 100 L/MIN.

 

 

Conventional Valve Issues	Our Premium Solution
Inaccurate control causes temperature swings (±2°C)	Equal percentage flow characteristic delivers stable, precise output (±0.5°C)
Leakage at closed port wastes energy (bypass flow)	Bubble-tight shut-off (≤0.1% leakage) prevents energy loss
Short lifespan in chilled water applications (condensation, corrosion)	Stainless steel stem + brass/bronze body resists corrosion, 100,000+ cycles

 

 

Operating Principle

A 3 way chilled water valve regulates chilled water flow by redirecting rather than stopping flow-maintaining constant system pressure while modulating temperature.

 

Technical Specifications

 

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

 

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

 

 

The installation location diagram is shown below (permissible installation angles).

Connection requirements with the vehicle:

 

Certifications & Compliance

✅ Pressure Equipment Directive
✅ RoHS Compliant (environmentally friendly)
✅ IATF 16949 certified manufacturing
✅ Leakage standards compliance

 

Global Client Reference

 

"We installed these 3-way valves across three data center cooling plants. After 18 months continuous operation, zero failures, zero leakage. The equal percentage characteristic gives us precise control even at 10% load."*

- Facility Manager, Global Data Center Operator (India)

"In our next-generation battery pack thermal management system, precise coolant flow control is critical to maintaining cell temperature uniformity. After integrating these 3-way valves into our liquid cooling loops, we achieved a major breakthrough-cell-to-cell temperature variation dropped from ±2.5°C to just ±0.8°C during high-rate charging cycles. The valves respond instantly to BMS commands, and after 6 months of aggressive duty cycle testing with 30% glycol coolant, there's zero sign of wear or internal leakage. This performance directly contributes to longer battery cycle life and faster charging capability for our electric vehicle customers."

- Dr. XXXX, Thermal Systems Lead, Battery Systems (Sweden)

 

 

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Payment: T/T, PayPal, L/C, Western Union.
Shipping: DHL, FedEx, UPS, Air freight, Sea freight (FCL/LCL).
Delivery: Samples in 7-10 days. Bulk orders in 30-35 days.

 

 

Hebei Nanfeng Automobile Equipment (Group) Co., Ltd is a vertically integrated industrial group specializing in electric vehicle thermal systems. With 1 international trading company (Beijing Golden Nanfeng) and 5 advanced manufacturing facilities, we deliver end-to-end control over quality, cost, and innovation.

📍 Headquarters: Wumaying Industrial Area, Nanpi County, Hebei, China
🏭 Facility Size: 80,000 m²
🌍 Export Markets: Asia, Europe, North & South America

 

Our Product Portfolio

We design and manufacture a full range of electric bus and commercial vehicle components:

High Voltage Coolant Heaters,PTC Air Heaters,Water Pumps,HVAC Compressors,Battery Thermal Management Systems (BTMS),Parking Heaters (Diesel / Gasoline).

 

 

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