Engineered with a closed impeller design, the OWP-BL43-440T electric coolant pump delivers exceptional efficiency while maintaining ultra-low noise operation (≤60dB), ensuring a quiet working environment for sensitive computing equipment. Adopting permanent magnet brushless technology, it features a compact footprint and low power consumption, optimizing space utilization and energy efficiency in edge computing setups. The pump’s shaft system utilizes high-durability friction pair materials, paired with a centrifugal & shielded structure, enabling a service life exceeding 20000 hours for reliable long-term operation. Equipped with PWM duty cycle speed regulation, it allows precise flow control to adapt to dynamic cooling demands. Comprehensive protection functions include reverse connection protection, overvoltage protection, overcurrent protection, dry running protection, and overtemperature protection, safeguarding both the pump and the connected cooling system from potential damage. With an IP68 rating, it offers robust waterproof and dustproof performance, suitable for various harsh operating conditions.

The OWP-BL43-440T electric coolant pump is specifically tailored to meet the rigorous cooling requirements of edge computing nodes in data centers and AI computing environments. Edge computing nodes, critical for real-time data processing in AI applications, generate significant heat during high-intensity operations, making efficient thermal management essential to maintain performance and prevent hardware failure. This 400W rated pump delivers a rated flow rate of 3000L/H at 20M head and a maximum flow rate of 5000L/H with 23M max lift, ensuring ample coolant circulation to dissipate heat from CPU, GPU, and other high-power components in edge nodes. Its compatibility with 50-60% glycol + water mixtures, dielectric oil, and electronic fluorinated solutions allows seamless integration with diverse cooling systems commonly used in data center setups. The wide medium temperature range (-40℃ to 85℃) enables reliable operation in both extreme cold and high-heat environments, adapting to the varying ambient conditions of edge deployment sites. The 25mm outlet diameter ensures efficient coolant delivery, while PWM speed regulation provides flexible flow adjustment to match the dynamic heat load of AI computing tasks—whether handling light data processing or full-load AI model training. The high/low-level fault feedback signal allows for real-time monitoring of pump status, enabling timely maintenance and minimizing downtime in mission-critical edge computing operations. With IP68 protection and comprehensive safety features, the OWP-BL43-440T ensures stable performance even in challenging environments, making it the ideal cooling solution to enhance the reliability, efficiency, and lifespan of edge computing nodes in data centers and AI computing systems.

PWM Speed Control

Dimensional Drawing