Compact Brushless Coolant Circulation Pump OWP-BL93-201: High Durability Cooling Unit for Metro Light Rail Auxiliary Converters
The OWP-BL93-201 brushless electric coolant pump is professionally developed for thermal circulation cooling of auxiliary converters in urban rail transit. Adopting advanced permanent magnet brushless drive and IP68 fully sealed protection, it delivers steady liquid delivery performance under complex vibration, temperature and humidity conditions onboard rail vehicles, ensuring stable heat dissipation and long-term continuous operation of power conversion equipment.
| Parameter | Specification |
|---|---|
| Power Input | 12VDC (9-16VDC) |
| Rated Power | 100W |
| Rated Flow Rate | 1800L/H @ H=8M |
| Max Flow Rate | 2800L/H |
| Max Lift Head | 11M |
| Applicable Medium | 50-60% glycol mixed water, dielectric oil, electronic fluorinated solution |
| Medium Temperature | -40℃ ~ 85℃ |
| Outlet Diameter | 20mm |
| Speed Mode | Fixed speed |
| IP Rating | IP68 |
| Noise Level | ≤45dB |
| Service Lifespan | Over 20000 hours |
- The permanent magnet brushless structure features compact overall size and low power consumption, easy for embedded installation in limited equipment space.
- Built-in multiple protection functions including reverse connection, overvoltage, overcurrent, dry running and over temperature to avoid abnormal damage.
- The shaft system adopts high-performance ultra-long service life friction pair materials to adapt to long-time continuous working conditions.
- Adopts integrated centrifugal and shielded structure for stable liquid delivery and excellent isolation performance.
- Designed for lifetime maintenance-free use, no regular lubrication or disassembly maintenance required.
- Equipped with closed impeller structure to improve overall working efficiency and control running noise within 45dB.
This OWP-BL93-201 electric coolant pump is perfectly matched for cooling circulation of auxiliary converters in metro and light rail transit. With 12V wide voltage input, 100W rated power and stable flow-lift performance, it can efficiently circulate glycol water mixture, dielectric oil and fluorinated cooling liquid. Its wide temperature adaptation range and IP68 waterproof grade fully adapt to severe outdoor and onboard operating environments. The long lifespan and low-noise design meet the high reliability and low maintenance demands of rail transit equipment, serving as a core supporting cooling component for urban rail auxiliary converter thermal management systems.
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