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P&id Number Stenciling On Process Piping


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#1 indiana

indiana

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Posted 28 October 2017 - 03:57 AM

From a process safety perspective, how important it is to have the piping tag number stencilled on the piping external surface in a process plant?



#2 fallah

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Posted 28 October 2017 - 04:53 AM

From a process safety perspective, how important it is to have the piping tag number stencilled on the piping external surface in a process plant?

 

Indiana,

 

I think from "piping tag number" you actually mean "line number". If so, it could be useful for line up; but cannot be so sustained and will be removed due to maintenance activities and ambient conditions.  



#3 fahad shams

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Posted 29 October 2017 - 12:59 AM

Dear Indiana,

 

with respect to Operation Point of view "line No." having no importance.  stenciling like line content i.e Hydrocarbon, water, chemical etc, nature of line i.e feed line , reflux, rundown to storage, Off-spec, purge gas, flare etc are important to avoid chances of mistake during any operation & easy understanding.

 

Regards

Fahd






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