RE: TIG welding of Large dia SS Pipe

not replace it with nitorgen. after perlite topping, we maintain a vacuum condition in the annulus.

> ----------
> From: Paul Bowers[SMTP:pbowers@pipingdesign.com]
> Reply To: <a href="/group/PipingDesign/post?postID=hWE0RnSJDFrrpuNJFwHtOzacFhcJmfb_b3tPSw9qhJvJxeo7Ey4w7mRhWubREFC1btdggOCITpC2QeB9z2JC0uTU">PipingDesign@yahoogroups.com</a>
> Sent: 28 June, 2001 3:57 PM
> To: <a href="/group/PipingDesign/post?postID=hWE0RnSJDFrrpuNJFwHtOzacFhcJmfb_b3tPSw9qhJvJxeo7Ey4w7mRhWubREFC1btdggOCITpC2QeB9z2JC0uTU">PipingDesign@yahoogroups.com</a>
> Subject: Re: [PipingDesign] TIG welding of Large dia SS Pipe
>
> Also, don't forget to ask about deriming. And has the contractor
> remembered to suck out all the air from the box and replace it
> with a couple of bars of N2 after the perlite went in?
>
> Careful with the connecting piping, no HC pockets (assuming oxygen
> is the product you're using).
>
> Paul
>
>
>
> ----- Original Message -----
> From: SARE, RALPH H.
> Subject: RE: [PipingDesign] TIG welding of Large dia SS Pipe
>
>
> > informative. i have routed it among the engineers here.
>
>
>
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Received on Sat Jun 30 00:16:00 2001