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Gas sampling device Comem GSD

The presence of gas inside a liquid-filled transformer is always a sign of malfunction. Analysis of the gas provides a good indication of the type of fault. Accessing the Buchholz relay, which signals gas presence in the transformer, can be dangerous while the transformer is in operation. ABB's Comem DPG gas sampling device allows the gas to be collected from a safe position. It is placed in a readily accessible location, typically on the side of the transformer, and provides valuable information for preventative maintenance..

Why ABB?

  • More than 50 years of experience in manufacturing transformer components
  • Global after-sales and customer support network


Product scope:

  • Liquid-filled power transformers
  • Fitted with left- and right-hand valve support

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