Changzhou Bextreme Shell Motor Technology Co.,Ltd
                                                                                                           
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Factory Sale Stainless Steel Electric Water Pump For Thermal Management In Off-grid Power Storage Systems

Price Negotiable
Price: Negotiable
MOQ: 1
Delivery Time: 5-8 work days
Brand: Bextreme Shell
Product Description
OWP-BL400H-D2-21 Stainless Steel Coolant Pump
Designed for demanding off-grid power generation and energy storage systems, the OWP-BL400H-D2-21 stainless steel coolant pump delivers exceptional performance, durability, and safety. Engineered with industrial-grade materials and advanced protection features, this pump ensures stable thermal management in extreme environments, making it the ideal choice for off-grid renewable energy applications.
Technical Specifications
Parameter Details
Voltage Range DC18V~32V; Rated Voltage: DC24V
No-Load Speed 5600rpm±30rpm (with appropriate antifreeze, dry running prohibited)
Rated Power 400W±5%
Performance Head ≥20m at 3000L/h flow rate
Service Life >20000 hours
Protection Class IP68
Operating Environment Temperature: -40℃~85℃; Relative Humidity ≤90%
Working Medium Coolant (Medium Temperature: -40℃~85℃)
Protection Functions Reverse polarity protection, no-load protection, locked-rotor protection, overvoltage/undervoltage protection
Air Tightness Test Pressure: 0.35Mpa; Leakage mL/min
Noise Level ≤60dB(A) at 1m distance (loaded condition)
Material (Water-Contact Parts) Stainless Steel
Speed Control PWM Speed Regulation
Inlet/Outlet Design Flange Quick-Connect
Error Feedback High/Low Level Signal
Key Advantages
  • Superior Durability: Stainless steel water-contact components resist corrosion and wear, ensuring a service life exceeding 20,000 hours even in harsh off-grid conditions.
  • IP68 Protection: Fully waterproof and dustproof design enables reliable operation in extreme temperatures (-40℃~85℃) and high-humidity environments.
  • Comprehensive Safety Features: Integrated reverse polarity, no-load, locked-rotor, and voltage protection prevents pump damage and ensures system safety.
  • Efficient Performance: Delivers 3000L/h flow rate with ≥20m head, providing powerful thermal regulation for energy storage systems.
  • User-Friendly Design: PWM speed control allows precise flow adjustment, while flange quick-connect ports and error feedback signals simplify installation and maintenance.
  • Low Noise Operation: Operates at ≤60dB(A) to maintain quiet working environments, suitable for residential and commercial off-grid setups.
Applications: Off-Grid Power Generation & Energy Storage Thermal Management
The OWP-BL400H-D2-21 coolant pump is specifically optimized for thermal management in off-grid power storage systems, including solar, wind, and hybrid renewable energy setups. In off-grid regions where grid connectivity is unavailable, reliable energy storage is critical—this pump plays a vital role in regulating temperatures of batteries, inverters, and power conversion equipment to prevent overheating and ensure long-term performance.
For solar energy storage systems, the pump circulates coolant to dissipate heat from lithium-ion batteries and PV inverters, maintaining optimal operating temperatures even in remote desert or high-altitude locations. In wind power storage applications, it ensures stable thermal conditions for energy storage modules, enhancing efficiency and extending equipment lifespan. Additionally, the pump's wide voltage range and robust protection features make it suitable for off-grid microgrids, remote industrial sites, and rural electrification projects, where power supply fluctuations and harsh environmental conditions are common.
With its combination of high performance, durability, and safety, the OWP-BL400H-D2-21 stainless steel coolant pump is the trusted solution for off-grid power storage thermal management, ensuring reliable and efficient operation in the most challenging environments.
Performance Curve
OWP-BL400H-D2-21 coolant pump performance curve diagram
Additional performance data for OWP-BL400H-D2-21 coolant pump
Technical performance specifications for coolant pump
PWM Speed Control Mode
PWM speed control mode diagram for OWP-BL400H-D2-21 coolant pump
Dimensional Diagram
Dimensional diagram of OWP-BL400H-D2-21 coolant pump
Additional dimensional specifications for coolant pump

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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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