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Single Stage Vacuum Transformer Oil Purifier

  • Power Transformer Oil Treatment Machine
  • Power Transformer Oil Treatment Machine
  • Power Transformer Oil Treatment Machine
  • Power Transformer Oil Treatment Machine
Power Transformer Oil Treatment MachinePower Transformer Oil Treatment MachinePower Transformer Oil Treatment MachinePower Transformer Oil Treatment Machine

Power Transformer Oil Treatment Machine

  • Category: Single Stage Vacuum Transformer Oil Purifier
  • Views:5542
  • Product Origin: CHINA
  • Model: VOP
  • Flow Rate: 600 ~ 6000 liters/hour
  • Lead time: 15 ~ 20 Days
  • Product description:Power transformer oil needs regular purification and degassing treatment, to get rid of harmful contaminants which shorten the life, thus to enhance its properties the oil needs to be filtered.
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Description | Power Transformer Oil Treatment Machine


  • Maintenance of substation transformers is often neglected, with potentially severe consequences. Transformer oil degrades over time, and failure to collect oil samples and conduct testing can allow problems to go undetected, causing increased operating costs and downtime. With proper oil maintenance, that degradation can be delayed significantly, resulting in increased service life of power transformers. These vital tests can uncover several potential problems within a transformer, including evidence of soluble contaminants, dielectric contaminants, and acid materials.
  • Power transformer oil needs regular purification and degassing treatment, to get rid of harmful contaminants which shorten the life, thus to enhance its properties the oil needs to be filtered.


PureTech mobile Power Transformer Oil Treatment Machine is designed for filtration, degassing and dehydration treatment of power transformer oil, it is also called as transformer oil filtration plant, Transformer Oil Dehydration plant and transformer oil degassing plant.


Model VOP (Single-stage vacuum) adopt one vacuum pump, and suitable for low voltage transformers, such as 66KV. For high voltage or ultra high voltage power transformers, the Double-Stage High Vacuum Transformer Oil Purifier (Model DVOP) developed by PureTech is your good choice, which adopt double stage vacuum pumps, can effectively remove the water and gas from transformer oil, as well as improve BDV of insulating oil. Furthermore, Model DVOP can also be used as an vacuum drying and vacuum filling equipment during transformer maintenance.


Process | Power Transformer Oil Treatment Machine

1. Transformers oil is drawn into the vacuum oil treatment system by the means of pressure difference (vacuum created by vacuum pump).


2. It will firstly passes through the primary filter which can filter out mechanical particles, thereby protecting the oil pump from being blocked.

3. Then the transformer oil is being heater by a eletrical heater which has thermostat to avoid overheating. Thermal vacuum treatment is proved to be the most effective way for oil dehydration and degassing.

4. The heated transformer oil flows into the vacuum degassing chamber where dehydration and degassing happens, the moisture and gas separated from oil will be drained by the vacuum pump or condensed into water stored in the water tank.

5. Transformer oil after dehydration and degassing will be pumped out of the oil purification system after passing through the fine filter which can filter out small impurities, to ensure the cleanliness of oil.

6. This machine can realize inner cycle or external cycle when oil circulation is required.


Types | Power Transformer Oil Treatment Machine

Single Stage Vacuum <a href=https://www.cqpuretech.com/Transformer-Oil-Purifier.html target='_blank'>Transformer <a href=https://www.cqpuretech.com/products.html target='_blank'>Oil Purifier</a></a> for Low Voltage Transformers
vacuum transformer oil purifier
mobile <a href=https://www.cqpuretech.com/High-Vacuum-Transformer-Oil-Filtration-Machine-p.html target='_blank'>Transformer Oil Filtration Machine</a>
transformer oil treatment plant

Single-Stage Vacuum Transformer Oil Purifier

(PLC Automatic Control, Skid-Mounted)

Single-Stage Vacuum Transformer Oil Purifier

(Full Frame, Skid Mounted)

Single-Stage Vacuum Transformer Oil Purifier

(Mounted with Trailer and Waterproofing Cover)

Double-Stage High Vacuum Transformer Oil Purifier

(PLC Automatic Control, Skid-Mounted)




Technical Parameters | Power Transformer Oil Treatment Machine


Machine Parameter

Item Unit VOP-10 VOP-20 VOP-30 VOP-50 VOP-75 VOP-100 VOP-150
Flow rate liters/hour 600 1200 1800 3000 4500 6000 9000
Vacuum degree Mpa (-0.06) ~ (-0.095)
Working pressure Mpa ≤ 0.3
Temperature range 40 ~ 80
Power supply 380Volts, 50Hz, 3Phase (Or customized)
Heating power kw 9 15 24 30 48 60 90
Total power kw 11 17 27 33 54 68 100
Inlet/outlet diameter mm 25 25 32 32 44 44 50
Size Length mm 1200 1300 1400 1400 1550 1700 1800
Width mm 900 900 900 900 1100 1250 1300
Height mm 1300 1300 1300 1500 1600 1750 1950
Weight kg 300 320 350 400 500 650 900
Oil index after purification Breakdown voltage kV ≥65 (Spherical electrodes)
Water content ppm ≤ 7
Gas content % ≤0.1
Filtering accuracy micron 1 ~ 5

* OPTIONAL CONFIGURATIONS: PLC automatic control system, Fully-Touch Screen, Mobile Trailer, Weather-proof Enclosure, Online Oil Testing Instruments, etc.

* Please inquire us for other flow rates or types.

* The machine size and weight will change slightly due to different configurations. Customized requirements are accepted.

* Other Transformer maintenance equipment for selection accordingly.

transformer vacuuming system
transformer air drying system
SF6 recycling and filling machine

Vacuum Pumping System

(Transformer Evacuation)

Dry Air Generator SF6 Gas Recovery and Refilling System

Projects Reference | Power Transformer Oil Treatment Machine

transformer oil filtration projects


Services | Power Transformer Oil Treatment Machine

12 months of quality guarantee for non-human damage.

Lifelong maintenance and spare parts supply.

Free training on operation, maintenance and troubleshooting at PureTech factory.

Puretech engineers go to customer site for commissioning and training (payable service).

• Design accept user's customization.

puretech is a manufacturer of oil purification systems