Re: Re: Pressure Testing of Hot Tapping Stub welded onto a high temperature line.

From: <elie>
Date: Sun Sep 04 2005 - 10:09:00 EDT

The stub could be hydrotested before testing (use hydrotested pipe). The weld(s) must be tested using non-destructive method.

> --- In PipingDesign@yahoogroups.com, msbest@o...
> wrote:
> > There is a API code for hot tapping of pipelines ,
> please refer the
> same for detail procedure and limitations . I think
> it is API 2220.
> >
> > thanks
> >
> > Goswami
> >
> > ----- Original Message -----
> > API 2201. Ive got the 4th Edition. Im not sure
> that you can hydro
> hot tapped fitting at the temperature mentioned.
> When the test media
> boils then you can just forget the hydro. The other
> problem is PWHT.
>
> But there are ways to meet the intent o satisfy the
> Code requirements
> and carry out the hot tapped procedure. Weve used
> the services of TDW
> several times before.
>
>
>
>


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