Changzhou Bextreme Shell Motor Technology Co.,Ltd
                                                                                                           
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Since 2016
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Aluminum Alloy Coolant Electric Pump Thermal Management For Heavy Duty EV Batteries

Price Negotiable
Price: Negotiable
MOQ: 1
Delivery Time: 5-8 Work days
Brand: Bextreme Shell
Product Description
OWP-BL43-300 Electric Coolant Pump: Reliable Thermal Management for Heavy-Duty EV Batteries
The OWP-BL43-300 Electric Coolant Pump is a premium solution engineered for heavy-duty electric vehicle (EV) battery thermal management systems, delivering consistent performance, robust protection, and long-term reliability in extreme operating conditions.
Application
This pump is specifically designed to regulate battery temperature in heavy-duty EVs during high-load scenarios, including long-haul transportation, construction vehicle operations, and industrial EV applications. By maintaining optimal battery operating temperatures, it ensures peak energy efficiency, extends battery cycle life, and mitigates the risk of overheating-induced malfunctions—critical for the stable performance of commercial and industrial electric vehicles.
Key Specifications
Power Input 24VDC (18-32VDC)
Rated Power 250W
Rated Flow Rate 6000L/H @ H=8M
Maximum Flow 9000L/H
Maximum Lift Head 10M
Working Temperature Range -40℃ to +85℃ (-40°F to +185°F)
Outlet Diameter 38mm (1.5inch)
Speed Regulation PWM
Fault Feedback Signal Yes
IP Rating IP68
Noise Level ≤60dB
Service Life >20000hours
Driving Motor Brushless DC Motor
Pump Housing Material Aluminum
Core Features & Functional Benefits
  • Constant flow controlling
  • Reverse polarity protection
  • Dry running protection
  • Over voltage, over current protection
  • Overload, over temperature protection
  • Single-stage Centrifugal pump structure
  • Magnetic force transmission (shield pump design)
  • High efficiency brushless DC motor
  • Low power consumption
  • Service life exceeding 20000 hours
  • Wide range operating temperature (-40℃ to +85℃)
  • PWM speed controlling
  • Leakage-free operation
  • IP68 waterproof and dustproof rating
  • Noise control ≤60dB
Competitive Advantages
  • 3-5% higher motor efficiency vs. competitors (professional electromagnetic design validated)
  • Optimized hydraulic performance (software-simulated impeller & volute matching)
  • Automotive-grade durability (withstands extreme temps, vibration, IP68 protection)
  • Precise PWM speed control for demand-based cooling
Ideal for heavy-duty EVs requiring reliable thermal management, the OWP-BL43-300 Electric Coolant Pump combines technical excellence, rugged construction, and user-centric design to meet the rigorous standards of industrial and commercial electric vehicle applications.
Performance Curve
OWP-BL43-300 Electric Coolant Pump Performance Curve
Dimensions Drawing
OWP-BL43-300 Electric Coolant Pump Dimensions Drawing OWP-BL43-300 Electric Coolant Pump Additional Dimensions

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Company Changzhou Bextreme Shell Motor Technology Co.,Ltd
Location No.91 Hanjiang Rd, Changzhou, Jiangsu,China
Contact Person Eric Peng

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