1. Double-stage High Vacuum dehydration and degassing and removing impuritiesfrom the used transformer oil.
2. Eliminate acidity, sludge, free carbon,discoloration elements, and other soluble matters in the oil, which decays thetransformer.
3. It can vacuum filling oil to transformers, and it can vacuumdry transformers and on-line operation with transformer.
4. The standardZYD system is designed for purifying and filtering oils in workshops, in storagetanks or directly in transformers (energized or de-energized transformers).

The oil technical data after treatment:
1. Gas contentis less than 0.1%
2. Impurity size is less than 1μm without free carbon

3. Water content is less than 3 part per million
3. Oil dielectricstrength (breakdown voltage) is more than 75KV
4. Acidity value is less than0.01 mg KOH/g
5. Dielectric loss factors at 90°C is less than 0.001

Zhongneng oil purifier is the most efficient and economical purificationsystem.

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This oil purifier is a maintenance system for transformers and Transformeroil. ZYD transformer oil filter can keep transformers and transformer oil in anormal and good running condition. So that to save the new oil cost andtransformers replacement cost.