• transformer oil treatment plant
  • transformer oil purifier

Double-stage High Vacuum Transformer Oil Purification System

KLEANOIL DVTP series Transformer Oil Purification System is designed for processing dielectric fluids used in oil filled HV transformers. With double-stage high vacuum design, DVTP series insulating oil treatment plant have improved dehydration and degassing capacity, therefore especially suitable for maintenance tasks of high voltage power & distribution transformers.

Transformer oil vacuum dehydration unit can be used to enhance the breakdown voltage of new untreated oil, or purify in-service insulating fluid, so as to improve electrical insulation properties and extend its lifespan.

DVTP oil dehydrators can also act as a vacuum pump system for transformer evacuation and perform vacuum oil filling tasks.

SKU: DVTP series
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  • Seven models available to accommodate various flow rates
  • Powerful combination of rotary vane vacuum pump & Roots mechanical booster
  • Low watt density heating element
  • Duplex 3D evaporation technology
  • Removes moisture down to 3 PPM and less
  • Remove gas contents down to 0.1% by volume
  • Three stage filtration arrangement
  • Remove 99.5% particulates larger than 1 micron
  • Optical fluid level control system
  • Interlocked preventive mechanism
  • On-line vacuum oiling and purifying


  • Outdoor weather-proof enclosure
  • Trailer mounted type to increase mobility
  • Explosion-proof type
  • PLC & HMI touch panel control
  • Customizable design, material and components
Working vacuumMPa-0.08 ~ -0.099
Working PressureMPa≤0.5
Breakdown VoltageKV≥75
Water ContentPPM≤3
Gas Content%≤0.1%
Impurity Sizemicron≤1
Temperature40 ~ 65
Power380V, 50Hz, 3Ph ( Customizable )
Working NoisedB(A)≤75≤75≤80≤80≤80≤82≤85
Heating PowerKW24457290135150180
Total PowerKW27.54978.597144160.5192

Note: The technical data are for reference only. We reserve the right to make changes in the course of technical development of the product.

Flow Diagram:transformer oil processing flowStructure Drawing:

transformer oil purifier structure

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