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  1. quantexhung15

    Hot Tap Floating Roof Tank

    Is there any requirements or precautions change on hot-tapping a floating roof tank versus fixed roof tank? I did not see any special notes in API-653 Par. 9.14 for Hot Tap. Please share your experiences. Thank you.
  2. quantexhung15

    API-650 Tank Hot Tap Size Limit

    Hi All, For performing hot-tapping on API-650 storage tanks, API-653 Table 9.1 only list nozzle size up to NPS18. Does it limit the hot-tap nozzle size up to NPS18? For certain cases if larger size hot-tap is needed, which code/standard shall be followed to validate the design? Thank you!

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