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Product Type: Oil Filter Coalescing Filter Element (Oil-Water Separator Filter Element)
- Core Function: Removes water (free water, emulsified water) and sludge impurities from hydraulic oil, ensuring oil cleanliness and normal system operation.
Working Principle
Hydraulic oil flows from the outside in through the filter element, completing three-stage separation:
1. Filter Layer: Multi-layer composite filter paper intercepts solid impurity particles.
2. Demulsification Layer: Destroys the oil-water emulsion structure, separating oil-in-water or water-in-oil states.
3. Coalescing Layer: Tiny water droplets adhere, move, and converge on the glass fiber surface, coalescing into large droplets.
4. Gravity Settling: Large droplets settle to the bottom collection tank of the filter and are discharged through the drain valve.
5. Clean Oil: The dehydrated oil is further dehydrated by the secondary separation filter element and returned to the system.
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Product Features
1. Multi-layer Composite Filter Paper: High filtration accuracy and large dirt-holding capacity.
2. Special Fiberglass Layer: Carefully designed fiberglass layer for excellent coalescence.
3. High Flow Density: Reduces the size of the fine filter, resulting in a compact structure.
4. Long Service Life: Large dirt-holding capacity; replacement cycle up to 6-12 months.
5. Complete Specifications: Meets the installation requirements of various oil filtration machines.
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Application Areas:
Based on search results, this series of filter elements is suitable for:
- Petrochemical Industry: Oil-water separation and recovery in oil refining and chemical production.
- Metallurgical Industry: Filtration of hydraulic systems in rolling mills and continuous casting machines.
- Power Industry: Turbine oil purification and EH fire-resistant oil dehydration.
- General Industry: Oil purification in power machinery such as tunnel boring machines, mining, papermaking, shipbuilding, and textiles.
- Aviation Fuel: Dehydration and impurity removal from jet fuel, gasoline, kerosene, and diesel.
Leah Sales Manager
Email: [email protected]
Mob & WhatsApp & Wechat & Skype: (+86)19937372138


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