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Dead Leg At High Steam (Hs Line)

steam high steam deadleg leak erosion corossion

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#1 irsanagustian


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Posted 07 August 2018 - 09:54 PM

Hey All,


I am junior engineer at Petrochemical Company, I have a problem at drip leg in Steam Main line which attached below. So, from Inspection said that drip leg steam trap design has made dead zone on the piping configuration. The dead leg zone makes temperature of steam reduced and then condensed. The friction between steam and water makes turbulence that cause internal erosion on the drip leg wall.


Actually the function of the drip leg to collect the debris and also scale to protect the steam trap that can remove from drain facility. 


If the take off line from the side of drip leg move into bottom side of drip leg and directly goes to the steam trap and also the drain facility move into the suction of the steam trap, is it okay to do this kind of action?


This action focused on remove the possibility of the erosion at the drip leg. 


Thank you very much for your help,





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