CMM-6/7 Mobile Degassing Unit

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The СММ-6/7 is designed for purification of electrical insulating oils, removing water, gas and solid particles, and for transformer evacuation.

This unit is normally used during installation, operation and servicing of oil-filled high voltage equipment (transformer, high voltage switches etc).

The unit can be operated in the following modes:

  • transformer heating: in this mode the oil is filtered and heated;
  • oil degassing: this mode is for filtration, drying and degassing oil;
  • transformer evacuation.

Parameter

Value

Capacity, m3/hour, not less than

 

– degassing, drying and filtration mode

6

– heating and filtration mode

14

* Processed oil parameters:

 

– gas content, % vol, max

0,1

– water content, ppm, max

5

– ISO 4406 purity class

-/14/12

Max oil output temperature in heating mode, ºС

90

Outlet pressure, MPa

0,2

Max heater power, kW

125

Max power consumption, kW

175

Residual vacuum chamber pressure for degassing, Pa, max

267

Residual vacuum chamber pressure for seal test, Pa, max

26,7

Max air leak in 1 hour seal test, Pa

267

Power supply

 

– voltage, V

220

– frequency, Hz

60

Dimensions, mm

 

– length

2680

– height

2110

– width

2150

Weight, kg

2710

* Note –  Initial oil quality parameters:

  • gas content: below 10.5% vol
  • water content: below 0.01% (100 g/t)
  • temperature: above 0 ºС.

  • versatility;
  • no need to use adsorbents for transformer oil drying;
  • no air pollution and no waste streams to dispose of or store;
  • simple operation and servicing;
  • best oil quality even after one processing cycle;
  • low power requirements;
  • low noise levels.

 

 

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