1. Two pumps: vacuum pump and booster pump.

2. Three-stage filter system.

3. Z-shape Heater to make the heating uniformity.

4. Installing oil-level floating ball and double-infrared liquid level automatic controller to control the oil level.

5. Foam sensor to avoid oil leaking.

6. Temperature Controller to protect the machine.

7. Suitable oil filtration machine for high voltage transformer.

8. Large filtration area, high capacity of holding impurities.

9. Two vacuum separator to increase separating size and time.

10. Doing online oil purification of substations over 110 KV.

11. Independent function of vacuum oil filling and drying.

12. Duplex stereo flash evaporation technology.

13. Equipped with pressure protective system and interlocked protective system to connect oil pump, heater and liquid level controller. If there has any fault, it will be power off automatically.

14. Saving energy and time.