Changzhou Bextreme Shell Motor Technology Co.,Ltd
| Payment Terms | T/T,Western Union |
| Supply Ability | 10000pcs/month |
| Delivery Time | 5-8 work days |
| Packaging Details | Cartons + PE |
| Model No. | OWP-BL43-200 |
| Application | Marine vessels, electric ships |
| Material | Aluminum |
| Mounting | Base mounted |
| Noiselevel | Less than 60 dB |
| Pressurerating | Up to 2 bar |
| Pumptype | Centrifugal |
| Operatingtemperaturerange | -40°C to 85°C |
| Operatingvoltage | 24V |
| Protectionclass | IP67 waterproof |
| Productname | Electric Ships Coolant Pumps |
| Powersource | Electric |
| Flowrate | provieds 45L/min under head pressure is 1.7 bar |
| Type | Coolant Pump |
| Brand Name | Bextreme Shell |
| Model Number | OWP-BL43-200 |
| Certification | CE |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T,Western Union | Supply Ability | 10000pcs/month |
| Delivery Time | 5-8 work days | Packaging Details | Cartons + PE |
| Model No. | OWP-BL43-200 | Application | Marine vessels, electric ships |
| Material | Aluminum | Mounting | Base mounted |
| Noiselevel | Less than 60 dB | Pressurerating | Up to 2 bar |
| Pumptype | Centrifugal | Operatingtemperaturerange | -40°C to 85°C |
| Operatingvoltage | 24V | Protectionclass | IP67 waterproof |
| Productname | Electric Ships Coolant Pumps | Powersource | Electric |
| Flowrate | provieds 45L/min under head pressure is 1.7 bar | Type | Coolant Pump |
| Brand Name | Bextreme Shell | Model Number | OWP-BL43-200 |
| Certification | CE | Place of Origin | China |
| High Light | 24V DC Electric Water Pump ，IP67 Waterproof Coolant Pump ，Electric Coolant Pumps | ||
# High-Efficiency Brushless DC Pump for Electric Boat Battery & Engine Coolant Circulation (Model: OWP-BL43-200)
Designed specifically for **electric boat battery cooling** and **engine coolant circulation**, this brushless DC pump delivers reliable performance to protect critical marine systems from overheating. Its engineering excellence and robust build make it an ideal choice for marine applications where durability, efficiency, and safety are non-negotiable.
## Key Advantages for Marine Use
1. **Superior Efficiency**: Verified by professional electromagnetic theory design, its motor efficiency is 3-5% higher than competing pumps. Professional software-driven hydraulic simulation optimizes the match between the impeller and volute, ensuring higher hydraulic efficiency to maintain steady coolant flow for batteries and engines.
2. **Extreme Durability**: Built with automotive-grade electronic components, it withstands harsh marine environments (humidity, vibration, temperature fluctuations). Compliant with IP67 waterproof standards (per EN60529), it features an aluminum pump housing, SUS 304 stainless steel screws, and a PPA GF motor winding frame—all resisting corrosion and wear. It offers a service life of over 20,000 hours at rated voltage (24VDC) and 36℃ (86°F) ambient temperature.
3. **Comprehensive Protection**: Equipped with constant flow control, reverse polarity protection, dry running protection, over-voltage/over-current protection, and overload/over-temperature protection. These features prevent pump damage and shield connected battery/engine systems from failures.
4. **Energy-Saving & Quiet Operation**: Powered by a high-efficiency brushless DC motor, it reduces power consumption (critical for electric boats’ battery life) while operating at ≤60dB—minimizing noise disruption on board.
## Major Specifications Table
| Parameter | Details |
|-------------------------|------------------------------------------|
| Model Number | OWP-BL43-200 |
| Power Input | 24VDC (18-32VDC) |
| Rated Power | 250W |
| Rated Flow Rate | 2800L/H @ H=16M |
| Max Flow | 4800L/H |
| Max Lift Head | 20M |
| Working Temperature Range | -40℃ to +85℃ (-40°F to +185°F) |
| Outlet Diameter | 38mm (1.5inch) |
| Speed Regulation | PWM |
| Fault Feedback Signal | Yes |
| IP Grade | IP67 |
| Noise Level | ≤60dB |
| Service Life | ＞20,000hours |
| Weight | 2200g |
| System Pressure | -0.5-2.5 Bar (at 100℃/212°F) |
Flow vs Head Curve
Overall size
Company Details
Business Type:
Manufacturer
Year Established:
2016
Total Annual:
12,000,000-15,000,000
Employee Number:
150~220
Ecer Certification：
Verified Supplier
Changzhou Bextreme Shell Motor Technology Co., Ltd. is a professional and pioneering manufacturing enterprise exclusively dedicated to the R&D, production, and sales of Brushless DC (BLDC) motor products. Since our establishment in 2016, we have remained deeply committed to advancing BLDC... Changzhou Bextreme Shell Motor Technology Co., Ltd. is a professional and pioneering manufacturing enterprise exclusively dedicated to the R&D, production, and sales of Brushless DC (BLDC) motor products. Since our establishment in 2016, we have remained deeply committed to advancing BLDC...
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