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A Specially Designed Plug For Pressure Test

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#1 shvet1


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Posted 27 July 2020 - 10:35 PM

Quote (What Went Wrong? 6th ed. by Trevor Kletz)
18.1.7.a ... Plugs installed to facilitate pressure testing should be welded in position. However, it is bad practice to seal weld over an ordinary screwed plug. If the thread corrodes, the full pressure is applied to the seal. A specially designed plug with full-strength weld should be used.


Can anyone share a sketch or drawing how this "specially designed plug" looks like?


#2 breizh


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Posted 30 July 2020 - 07:24 AM



Hi Shvet1,

Consider the link above to support together with a video to explain the principle.

Good luck, 


Edited by breizh, 05 August 2020 - 09:55 PM.

#3 Prakashdesai


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Posted 07 August 2020 - 04:39 AM

This might help you. To know more

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