Thanks for all the reply....
Please be informed that all necessary test has been conducted i.e. 100% x-ray test, hydrotest and other integrity test....
> Dear sir,
>
> i think the welding joints are burst out due to improper welding,have u
done hydro test for the pipe line,after have u done Air blasting for the pie
line.the main cause due to erotion.
>
>
>
> e-Director <segip@tm.net.my> wrote:
> Dear friends,
>
>
> Recently, during our plant start-up, some of our newly welded joints burst
> and break-off. To date, there had been no finding to the cause of these
> problems..
> Some of the guys suggested that maybe the welded joint needs to undergo
> chemical cleaning to remove any unwanted contaminants that may cause
> flammabality such as oil and grease and other debris inside the
> pipelines.... The HAZ area inside the welding joint may also cause the
> welding joint to be weak and also stresses the need for chemical
cleaning...
>
> 1. Does anyone knows why we need to do chemical cleaning for a new
> pipelines?
> 2. Does this chemical cleaning process also need to be done if we do some
> modification in the lines which involves a lot of welding procedure?
> 3. Is it possible that without chemical cleaning, there is a danger of
> explosions?
>
> Thanks
>
>
>
>
>
>
>
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