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About This Item

 

Full Description

Gives requirements and test methods for unused insulating oils, both with and without additives, intended for use in transformers, switchgear and similar electrical equipment. Specifies limit values for viscosity, flash point, pour point, density, neutralization value, corrosive sulphur, water content, sludge and acidity after oxidation, breakdown voltage, dissipation factor and gassing tendency.

All current amendments available at time of purchase are included with the purchase of this document.
 

Document History

  1. BS 148:2020


    Recycled mineral insulating oil for transformers and switchgear. Specification

    • Most Recent
  2. BS 148:2009


    Reclaimed mineral insulating oil for transformers and switchgear. Specification

    • Historical Version
  3. BS 08/30167496 DC


    BS 148. Reclaimed mineral insulating oil for transformers and switchgear. Specification

    • Historical Version
  4. BS 148:1998


    Specification for unused and reclaimed mineral insulating oils for transformers and switchgear

    • Historical Version
  5. BS 148:1997


    Specification for unused and reclaimed mineral insulating oils for transformers and switchgear

    • Historical Version
  6. BS 148:1984

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    Specification for unused mineral insulating oils for transformers and switchgear

    • Historical Version