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Maintaining SF6 Gas Quality for GIS & Circuit Breaker

By pdtblogger
Maintaining SF6 gas quality for GIS and Circuit Breaker is a must. Any issue in insulation medium for High Voltage equipment is a time bomb. Dew point of SF6 gas should be periodically measured, if it's found below accepted limit during routine maintenance, SF6 gas recovery process should be performed in order to improve the gas quality. Сircuit breakers with vacuum champer are often confused with SF-6. They have a different arc extinguishing technology.

Maintaining SF6 gas quality

FTHS Series of FUOOTECH Company SF6 Gas handling system is applied to the extraction, filling, backfilling, purification and recovery of sulfur hexafluoride gas in SF6 electrical equipment. The built-in filtration and adsorption system can absorb impurities, water, decomposition products and oil content in SF6 gas. The integrated design and small size are easy to move and use. The efficient maintenance - free filtration system greatly guarantees the quality of SF6 gas recovery. SF6 gas should be recycled when the SF6 electrical equipment is applied.

Therefore, FTHS Series SF6 Gas Recovery and Re-filling Machine is a special designed to recover and fill SF6 gas when making and maintaining sf6 electrical equipment. SF6 gas recovery device is suitable for the extraction, filling, backfilling, purification and recovery of sulfur hexafluoride gas in sf6 electrical equipment.



The recycled SF6 gas can be directly stored into the container in a liquid form, small volume, easy to move, fast vacuum extraction speed, the recovered SF6 gas can be dried and filtered. It can also be backfilled with SF6 gas to SF6 electrical equipment.

Main Features


  1. Advanced design, full function and compact structure with simple operation.
  2. Compressed systems: it takes closed compressor to ensure no leakage.
  3. Vacuum systems: it takes rotary vane vacuum pump to prevent oil returning
  4. Purification systems: Equipped with Ingersoll Rand filters which takes electric heating and high efficient adsorbents. Without frequent replacement of the adsorbents, so the purification result is better.
  5. Electric systems: Equipped with automatically confirmation three phase power devices, failure protection.
  6. Control systems: the valves take the latest technology.
  7. Storage system: Provide the storage tank according to users requirements.

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