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Hebei Nanfeng Automobile Equipment (Group) Co.,Ltd
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Candy Jiao
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Email: nh.li@auto-parkingheater.com
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4 Way Valve
This 4-way electronic water valve/four-way coolant control valve is a core precision control component of the automotive intelligent thermal management system (BTMS), and is designed for precise regulation of the vehicle's coolant circulation in both new energy vehicles and traditional fuel vehicles.
Description
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4 Way Valve
Products Description
The valve body adopts a four-way pipeline layout structure, and is equipped with an integrated electronic control drive module. It can automatically and accurately switch and adjust the coolant flow, flow distribution and flow direction switching between the four water circuits according to the temperature signal command of the vehicle ECU. It can flexibly realize independent temperature control and linkage heat exchange of different circuits such as engine/three-electric system, battery pack, air conditioning and heating, radiator.
| Medium | Ethylene glycol aqueous solution (50%/50%) |
| Medium temperature | -40°C~115°C |
| Ambient temperature | -40°C~100°C, Relative humidity ≤95% |
| Rated voltage | DC24V |
| Operating voltage range | DC18V~30V |
| Control method | LIN control |
| Current | Under rated voltage DC24V, operating current ≤500mA, stall current ≤1000mA |
| Switching time | Under rated voltage DC24V, switching time ≤10s |
| Internal leakage | Under 30kPa pressure difference with ethylene glycol aqueous solution (50%/50%), internal leakage ≤20 L/min |
| External leakage | Under 340kPa (gauge pressure) pressure, gas leakage ≤5 L/min. L/min |
| Flow resistance | ≤12kPa 0.20L/min |
| Noise | Under rated voltage, with the valve not flowing with media, tested at a distance of 500mm from the valve, noise ≤45dB(A) |
Products Design
1. Four-way fluid structure design: A cross-shaped four-way integrated water circuit layout with multiple pipes integrated and compactly arranged. It allows for simultaneous and independent control of multiple coolant flow directions and volumes, significantly simplifying the overall vehicle cooling pipe layout, reducing external pipe fittings and leakage risks, and optimizing space utilization.
2. Integrated electronic control sealed housing design: An integrated waterproof electronic control drive module + high-strength corrosion-resistant engineering plastic valve body, coupled with a dedicated sealing lock and anti-corrosion fastening screw design, resists aging and high/low temperature coolant corrosion, remaining stable and leak-free even under strong vibration conditions, maximizing reliability.
3. Original factory-grade installation design: Precisely aligned standard mounting holes + universal quick-connect pipe interfaces, molded from original vehicle data, allowing for direct, non-destructive installation without modification; multi-angle body structure with reserved maintenance and engine compartment installation margins, making installation convenient and more versatile.
Products application
Products advantage
1. Precise and Intelligent Temperature Control: Electronic real-time precise adjustment of multi-channel coolant flow and direction quickly adapts to the temperature control requirements of different vehicle operating conditions, effectively optimizing the battery/power system operating temperature range, reducing energy consumption, and improving overall vehicle energy efficiency.
2. Stable, Durable, and Low-Failure: High-precision sealing structure + aging-resistant and corrosion-resistant shell material, resistant to high and low temperatures and pipeline vibration, ensuring no leakage or jamming even after long-term use, significantly reducing after-sales repair rates, and extending service life far beyond ordinary replacement parts.
3. Efficient Adaptability and Easy Installation: Original factory specification matching design, with precise alignment of holes and pipe interfaces, making installation convenient and requiring no additional modifications; wide compatibility, adaptable to the thermal management systems of multiple vehicle models, making replacement and installation worry-free and effortless.
Products Uses
1. Precise Vehicle Thermal Management:
As the central hub of the automotive cooling system, it intelligently switches between multiple coolant flow paths, precisely controlling the operating temperatures of the powertrain, motor, and battery pack. This ensures rapid warm-up in cold weather and timely heat dissipation in hot weather, guaranteeing core components remain within their optimal operating range.
2. Intelligent Multi-Circuit Water Distribution and Switching:
Independently connecting four main pipelines-radiator, heater core, auxiliary water tank, and battery cooling branch-it automatically opens and closes and adjusts the water flow in each circuit according to driving conditions, simultaneously addressing multiple functions such as powertrain cooling, cabin heating, and battery temperature control.
3. Versatile Vehicle Compatibility and Replacement:
Widely compatible with battery temperature control systems in new energy pure electric/hybrid vehicles and intelligent engine temperature control systems in traditional gasoline vehicles. It can also be used for after-sales repair of OEM parts failures, performance upgrades, and bulk pre-installation by OEMs, offering strong vehicle replacement compatibility and broad application scenarios.
Products FAQ
Q1: What is the main function of this 4-way four-port water valve?
A: This is an electronically controlled four-port regulating valve for automotive intelligent cooling systems. It precisely controls the flow direction and flow rate of coolant in four directions, intelligently regulating the temperature of the engine, power battery, heating circuit, and radiator, optimizing the overall vehicle thermal management efficiency and reducing energy consumption.
Q2: What car models is this product compatible with?
A: It is widely compatible with new energy pure electric vehicles and hybrid HEV/PHEV models, and is also compatible with many fuel vehicles upgrading their constant temperature systems. It supports one-to-one non-destructive replacement of OE original parts and can also be used in after-sales repair, OEM parts, and modification upgrade scenarios. Vehicle-specific models can be provided for precise verification.
Q3: Does installation require modification of the original vehicle piping?
A: No. The product is molded according to the original factory 1:1 specifications. The hole positions, pipe diameters, and plug interfaces are completely matched to the original vehicle. It can be directly plugged in and installed without drilling or pipe cutting. Replacement can be quickly completed at ordinary repair shops.
Q4: How durable is the product? Will there be any leakage or jamming issues?
A: The valve body is made of high-strength glass fiber engineering plastic that is resistant to coolant corrosion and high/low temperature aging. Combined with a high-precision sealing structure and a long-life electric control motor, it undergoes millions of opening and closing durability, high/low temperature, and pressure leakage tests before leaving the factory, significantly reducing jamming and leakage failures. Its service life matches original factory quality.
Q5: What is the difference between this and a regular four-way valve?
A: Regular four-way valves are mostly mechanical passive temperature control, while this one is electronically intelligent and actively adjustable. It can receive signals from the vehicle's ECU in real time, dynamically and accurately distributing multiple water flows, resulting in more precise temperature control, lower energy consumption, and better vehicle start-stop and driving comfort.
Q6: What are the product warranty and after-sales policies?
A: We provide a standard industry warranty period. For non-human-caused quality problems, we support replacement/refund. Exclusive warranty terms can be negotiated for bulk orders. We provide full technical installation guidance and efficient and worry-free after-sales response.
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