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OWP-BL93-201 Brushless DC Electric Coolant Pump for EV/HEV Passenger Car Liquid Cooling Thermal Management Systems
Specification Table
Parameter
Specification
Power Input
12VDC (9-16VDC wide voltage range)
Rated Power
100W
Rated Flow Rate
1800L/H @ H=8M
Maximum Flow Rate
2800L/h
Maximum Lift Head
11M
Compatible Medium
50-60% glycol + water mixture, dielectric oil, electronic fluorinated solution
Medium Temperature Range
-40℃ to 85℃
Outlet Diameter
20mm
Speed Control
Fixed speed
Protection Grade
IP68
Noise Level
≤45dB
Service Life
>20000 hours
Core Advantages
Compact Size & Low Power Consumption: Adopting a permanent magnet brushless motor design, the pump achieves a compact footprint while maintaining 100W rated power, optimizing space utilization in vehicle engine bays and reducing overall energy consumption for EV/HEV powertrains.
Comprehensive Protection Mechanisms: Equipped with reverse polarity protection, overvoltage protection, overcurrent protection, dry-run protection, and overtemperature protection, it safeguards the pump and vehicle cooling system from operational abnormalities, ensuring stable performance under extreme conditions.
High-Durability Shaft Assembly: The shaft system utilizes premium wear-resistant friction pair materials, which directly contribute to the pump’s service life exceeding 20,000 hours, reducing maintenance needs and enhancing long-term reliability in vehicle applications.
Centrifugal & Shielded Structure: The integrated centrifugal and shielded design minimizes internal leakage, prevents medium contamination of key components, and improves the pump’s resistance to harsh automotive operating environments.
Lifetime Maintenance-Free Operation: Engineered for sealed, maintenance-free use, it eliminates the need for regular component checks or replacements, lowering ownership costs and ensuring consistent performance throughout the vehicle’s service life.
High-Efficiency Closed Impeller: The closed impeller design enhances hydraulic efficiency, enabling the pump to deliver 2800L/h max flow with ≤45dB noise, balancing performance and passenger comfort in electric vehicles.
Performance Curve
Product Applications
The OWP-BL93-201 electric coolant pump is custom-engineered for the liquid cooling thermal management systems of pure electric and hybrid electric passenger cars. Its 1800L/H rated flow (at 8M head) and 11M maximum lift head perfectly match the heat dissipation demands of EV/HEV powertrains, while compatibility with 50-60% glycol-water mixtures, dielectric oil, and electronic fluorinated solutions allows it to cool critical components such as battery packs, powertrain modules, and electronic control units (ECUs) effectively. With a medium temperature range of -40℃ to 85℃, it maintains reliable operation in extreme climatic conditions—from frigid winters to scorching summers—without performance degradation. The IP68 protection grade ensures dustproof and waterproof performance, making it suitable for sealed, vibration-rich vehicle environments, while the ≤45dB noise level preserves passenger comfort. Its fixed-speed operation and multi-layer protection features align with the strict safety and durability standards of automotive cooling systems, delivering consistent heat transfer to keep key vehicle components within optimal operating temperatures, thus supporting the overall efficiency and longevity of EV/HEV powertrains.