ASSEN® uses highly effective method to treat oil into like new conditions conforming to the IEC 60422 standard without a requirement for oil change.Our ZYD new-tech dielectric oil filtering system, designs and builds the most effective, durable, and user-friendly Hi-Vacuum system on the market today. ZYD dielectric oil  filtration plant combines with unique and advanced vacuum dewatering, degassing components and three grades filtering system for rapidly and effectively separating water, gas, particles from oil.Special engineered design features maximize the water extraction rates of our systems, and top-quality components and workmanship ensure years of maintenance-free operation and performance. 

1.Advanced dehydrating and degassing system that uses large area three-dimensional flash distillation technique to remove harmful composition in the oil such as water, air and gas.
2. It can be widely used for oil filling for transformers and circuit breakers under vacuum condition.
3. Precise filtration system, high-quality filter element, multi-stage filtration with gradual precision can help to remove mechanical impurities in the oil.
4. An advanced fully automatic temperature controlling system,liquid-level controlling system,defoaming controlling system,pressure protecting system and excellent configuration can ensure operation of the equipment with high performance.
5. Online work,allowing separated operation of manual operators from machine with lamps indicating the condition for operation.
6. It is humanization design with low noise,deep purification and long time free maintenance to save cost from the running process.
7. Purifiers are equipped with a chain safety protective system,an interlocking of oil drainage system,vacuum system and heating system,which avoids any possible negative impacts caused by mal-operation.

Dielectric oil filtering system's Technical Data:

Structure Chart:
 

The oil technical data after treatment:

• Gas content less than 0.1%
• Impurity size less than 1μm without free carbon
• Oil dielectric strength (breakdown voltage) more than 75KV
• Acidity value less than 0.01 mgKOH/g
• Dielectric loss factors at 90°C less than 0.001

Dielectric oil filtering system's Advantage:

1 Enhance the value of breakdown voltage of oil greatly.
2 Easy handling and maintenance. It is available that online work. The plant can provide the ability of injection oil into the transformers without extra accessory. 
3 Lower maintenance and replacement expenses.
4 High efficiency and effectiveness while small size, light weight, and low noise.

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Q: How can we achieve drying without elevated heating of the insulation material for transformers?
A: Drying of insulation materials can be achieved at low temperature and low pressure levels. The pressure levels and temperature levels for drying vary for distinct material. At low pressure or under vacuum the rate of water vapour evaporation is accelerated if sufficient heat is provided to the insulation material. Thus we can achieve a good drying of insulating material if the material is suitably heated and subjected to vacuum.

Chongqing Assen Power Equipment Co.,LTD, which is professional in design, manufacture, sale of oil purification equipment, relevant testing instruments and provide comprehensive filtering solution, owns advanced production lines and sophisticated detection equipment, first-class R & D staff , professional workers and High-quality sales and service teams

Our Product: Double Stage Transformer Oil Purification system, Vacuum Lubricating Oil Purification, Vacuum Turbine Oil Conditioner, Portable Oil Purifier, Singe Stage Insulating Oil Purifier, Water Oil Separator, Light fuel Oil Purifier, and Fully-auto Dielectric Oil Tester, Turn ratio Tester, Acid Tester, Moisture Detector, Interfacial Tension Tester, etc.

Our Service: special filter technology consulting and solutions sector; fast after-sale service feedback system, well-trained service engineer; hands-on training and large-scale equipments operation myrmidon; regularly visit system, CRM customer relationship management system; rapid Filter wearing parts and spare parts supply system.