OWP-BL43-200 Electric Coolant Pump - High-Efficiency Antifreeze Circulation Solution
Engineered for reliable performance in demanding automotive environments, the OWP-BL43-200 Electric Coolant Pump delivers exceptional efficiency, durability, and protection for antifreeze circulation systems. Designed with advanced magnetic transmission and brushless DC motor technology, this single-stage centrifugal pump ensures consistent flow, energy savings, and long service life—making it the ideal choice for modern vehicle cooling applications.
Key Specifications
| Parameter |
Details |
| Power Input |
24VDC (18-32VDC) |
| Rated Power |
250W |
| Rated Flow Rate |
2800L/H @ H=16M |
| Maximum Flow |
4800L/H |
| Maximum Lift Head |
20M |
| Working Temperature Range |
-40℃ to +85℃ (-40°F to +185°F) |
| Outlet Diameter |
38mm (1.5 inches) |
| IP Rating |
IP68 |
| Noise Level |
≤60dB |
| Service Life |
>20000 hours |
| System Pressure |
-0.5-2.5 Bar (at 100℃/212°F) |
| Medium Liquid Temperature |
-40℃ to +85℃ (-40°F to +185°F) |
| Working Ambient Conditions |
-40℃ to +85℃ (-40°F to +185°F), Humidity ≤90% |
Core Advantages
- Precision Flow Control: Equipped with constant flow regulation technology, the pump maintains stable fluid circulation even under fluctuating operating conditions, optimizing cooling efficiency for automotive systems.
- Comprehensive Protection Mechanisms: Features reverse polarity protection, dry running protection, and safeguards against overvoltage, overcurrent, overload, and overtemperature—preventing damage and ensuring uninterrupted operation.
- Advanced Magnetic Transmission: Adopts a shield pump structure with magnetic force transmission, eliminating leakage risks and enhancing reliability compared to traditional mechanical seals.
- High-Efficiency Brushless DC Motor: Integrates a low-power-consumption brushless motor with nylon plastic-encapsulated driving electromagnets, achieving over 20,000 hours of service life and 3-5% higher efficiency than competing models through professional electromagnetic design verification.
- Optimized Hydraulic Performance: Undergoes simulation calculations via professional software to ensure perfect matching between the impeller and volute, delivering superior hydraulic efficiency for maximum flow and lift.
- Automotive-Grade Durability: Built with automotive-grade electronic components, the pump withstands extreme harsh environments, including wide temperature ranges and high humidity, meeting the rigorous demands of vehicle applications.
Application: Automotive Antifreeze Circulation
The OWP-BL43-200 is specifically designed as an automotive water pump for antifreeze circulation, playing a critical role in maintaining optimal engine and system temperatures. Antifreeze circulation is essential for preventing engine overheating in high-load conditions (such as long-distance driving or heavy towing) and protecting components from freezing in subzero temperatures. This pump ensures efficient circulation of antifreeze fluids through radiators, heaters, and engine blocks, dissipating excess heat and maintaining consistent operating temperatures—enhancing vehicle performance, fuel efficiency, and engine lifespan.
Ideal for passenger cars, commercial vehicles, and specialty automotive equipment, the OWP-BL43-200 excels in extreme environments, from frigid winter conditions (-40℃) to high-temperature operating scenarios (+85℃). Its IP68 waterproof rating and robust construction make it resistant to moisture, dust, and vibration, while its low noise level () ensures a quiet driving experience. Whether used in electric vehicles, hybrid cars, or traditional internal combustion engine vehicles, this pump delivers the reliability and efficiency required for modern automotive cooling systems.
Performance Curve
Dimenisonal Drawing
