I do not think corrosion coupon have anything to do with hydrotest results. It just an indication whether your solutions used for hydrotest will corrode the pipe or not.....
By putting a corrosion coupon, you may be able to determine whether the pipeline is corroded or not due to the use of hydrotesting liquid......
> hi friends
>
> please suggest me for my doubt
>
> while doing hydrotest is it ok that if we fabricate
> corrosion coupon on line?
>
> what we have taken in our job for degassing manifold
> stations is
>
> 2" cosacco fitting corrosion coupon which is having
> threaded cap
>
> hydro test pressure is 165 barg
>
> line size is 6"-sch120, 8"-sch120, 12"-sch120 &
> 14"-sch120 pipes
>
> so please suggest me on this becouse i am in confusion
> on this matter since the corrosion coupon plate is
> very thibn and will be able to withstand the pressure
> and is there any necessary actions and care to be
> taken
> before doing hydrotest?
>
> your suggestions on this matter is highly appreciated
>
> sree vardhana
> qatar kentz
>
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Received on Wed Mar 20 18:12:00 2002
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