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About This Item

 

Full Description

Maintenance of DOT-4L and TC-4LM liquid cylinders requires periodic evacuation of the annular space. Internal heating of the cylinder is a common practice in this evacuation process. TB-30 provides guidelines regarding the maximum heating temperatures for these cylinders during maintenance.
 

Document History

  1. CGA C-30


    Guideline for Management of Embrittlement During Evacuation of Annular Space of DOT-4L and TC-4LM Liquid Cylinders (Formerly TB-30)

    • Most Recent
  2. CGA TB-30


    Sensitization Leading to Embrittlement and Potential Failure Due to Overheating During Manufacture or Repair of DOT-4L and TC-4LM Liquid Cylinders

    • Historical Version
  3. CGA TB-30

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    Embrittlement Due to Overheating of DOT-4L and TC-4LM Liquid Cylinders

    • Historical Version