The BLDC Coolant Pump, model OWP-BL43-426C, is a high-performance thermal management solution tailored to meet the strict cooling needs of high-end routers and firewalls. These core network devices generate substantial heat during high-speed data transmission and security processing, making reliable cooling crucial for maintaining their performance and longevity. This pump’s robust design and advanced features ensure efficient heat dissipation in demanding network environments.

High-end routers handle massive cross-network data flows (e.g., in enterprise backbones or data center gateways), while firewalls process millions of concurrent security checks (e.g., intrusion detection, VPN encryption). Both generate intense heat that can degrade performance or cause downtime. The OWP-BL43-426C pump circulates compatible coolants (such as glycol-water mixtures or dielectric oils) through the devices’ cooling loops. Its high flow rate (up to 5000L/H) and lift head (20M) ensure efficient heat absorption, keeping components within the safe -40℃ to +85℃ operating range. This is vital for scenarios like financial data centers (where router downtime risks transaction failures) or enterprise security hubs (where firewall overheating compromises threat detection). The pump’s compatibility with diverse coolants also adapts to different device cooling designs, from direct - to indirect - liquid cooling systems.

This pump offers key benefits for high-end router/firewall cooling. Constant flow control maintains stable coolant delivery, preventing temperature fluctuations that harm device performance. Multiple protections (reverse polarity, dry running, over-voltage/current/temperature/load) reduce pump damage risks, ensuring 24/7 reliability for critical network infrastructure. The single-stage centrifugal design with magnetic force transmission (shield pump structure) minimizes leakage and boosts efficiency. Its high-efficiency brushless DC motor cuts power use and delivers a 20000+ hour lifespan, lowering long-term costs. IP68 waterproofing suits harsh 机房 (equipment room) conditions, while PWM speed regulation adapts cooling to real-time heat loads (e.g., increasing flow during peak data traffic). The wide -40℃ to +85℃ operating temperature range works in extreme environments, and ≤60dB noise keeps quiet operation in data centers.

PWM Speed Regulation & Error Feedback

Performance Curve

Overall Size