Corrugated Oil Duct Strips - Chinese Manufacturer, Factory, Supplier
Enhance Your Transformer’s Thermal Management with Corrugated Oil Duct Strips
In high-voltage oil-immersed transformers, efficient oil circulation is the key to longevity and safety. Our Corrugated Oil Duct Strips (also known as wavy or zigzag spacers) are engineered to create superior cooling channels within the transformer windings.
Unlike traditional flat strips, the unique corrugated design increases the surface area for oil flow, significantly reducing "hot spots" and improving heat dissipation efficiency. Made from high-density electrical pressboard, these strips provide exceptional compressive strength to withstand short-circuit forces while ensuring optimal insulation.
1. Why Choose Corrugated Design?
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Superior Oil Flow: The wavy structure creates a 3D path for cooling oil, minimizing flow resistance.
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High Compressive Strength: Designed to maintain the gap between windings even under extreme mechanical stress.
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Excellent Oil Compatibility: Fully compatible with mineral oils and synthetic esters; no contamination or fiber shedding.
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Precision Manufacturing: Uniform wave height and pitch ensure consistent cooling across the entire winding.
| Property | Value / Material |
| Material | High-density Transformer Pressboard (IEC 60641) |
| Thickness (t) | 1.0mm - 3.0mm (Customizable) |
| Wave Height (H) | 3mm - 10mm |
| Pitch (P) | 20mm - 50mm |
| Insulation Class |
Class A (105°C) or higher based on material |
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Power Transformers: Main cooling ducts between high and low voltage windings.
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Distribution Transformers: Compact cooling solutions for urban power grids.
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Specialty Rectifier Transformers: Heat management for heavy-duty industrial applications.
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Retrofitting & Repair: Ideal for upgrading older units to improve thermal ratings.
Need a Custom Solution? We offer bespoke corrugated oil duct strips tailored to your specific transformer design.
