Changzhou Bextreme Shell Motor Technology Co.,Ltd
                                                                                                           
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OWP-BL43-300 24VDC Brushless Electric Water Pump - 250W, 6000L/H Flow, IP68 Rated for EV Cooling Systems

Price Negotiable
Price: Negotiable
MOQ: 5 sets
Delivery Time: Negotiable
Brand: OWO
Product Description
Product Overview

The OWP-BL43-300 is a heavy-duty 24VDC brushless electric water pump designed for glycol coolant circulation in electric vehicles and industrial cooling systems. With 250W power rating and PWM control capability, this pump delivers reliable performance for demanding applications.

Key Specifications
Parameter Value
Rated Voltage DC 24V
Operating Voltage Range DC 18-32V
Power Rating 250W ±10W
Maximum Current ≤11A
Flow Rate 6000 L/H
Head Pressure ≥8 meters
Noise Level ≤61 dB
IP Rating IP68
Service Life ≥20,000 hours
Weight 1.95 kg
Medium Temperature -40℃ to +85℃
Applications
  • Electric vehicle cooling systems
  • Battery, controller, and AC coolant circulation
  • BEV bus and PHEV vehicle cooling
  • Industrial cooling systems
  • Hybrid passenger cars, trains, and ships
Technical Advantages
High Efficiency

Brushless motor assembly efficiency up to 85% with controller driving efficiency reaching 97%

Advanced Protection

Automatic detection of no-load/semi-load states, plugging protection, overload detection, and reverse polarity protection

Professional Design

Ansys Fluent simulation calculation for high-efficiency customized development

Robust Construction

Shielded inner-rotor structure with automotive-grade electronic components and sinusoidal wave controlling circuit

Construction Materials
Component Material
Pump Head Housing Aluminum Alloy
Impeller & Shield Cavity PPS+GF
Shaft Sleeve Carborundum Composite
Shaft Stainless Steel (3CR14)
Seal Ring EPDM
Motor Wire Frame PPA GF
Pump Housing Die-cast Aluminum with Anodizing + PE Coating
Product Images
OWP-BL43-300 250W brushless electric water pump for vehicle cooling systems Internal structure diagram of brushless electric water pump Hydraulic design simulation calculation for electric water pump Electric water pump design principles and technical specifications
Installation Guidelines
  • Install at lowest system position to ensure impeller immersion
  • Pre-fill pump before power-on operation
  • Vertical or horizontal mounting supported
  • Use recommended 40mm diameter inlet piping
  • Avoid dry-running beyond 15 minutes
  • Maintain proper ambient temperature range: -40℃ to +120℃

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Changzhou Bextreme Shell Motor Technology Co.,Ltd
Location No.8 Tianshan road, Xinbei district,Changzhou,Jiangsu,China.
Contact Person Sharon Xiao

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