Re: [MW:32947] PWHT of blind flanges not having welding

Also during shop & site Hydro Test.

Thanks & Regards

J.Gerald Jayakumar

On Tuesday, 1 March, 2022, 07:30:16 am GMT+4, 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Normally I suppose vessel Blind Flanges are for temporary till transportation to site and moreover it shall meet the material standard as per Drawing or Design data sheet via a MTC.

Thanks & Regards

J.Gerald Jayakumar

On Monday, 28 February, 2022, 12:33:30 pm GMT+4, Muhammed Ibrahim PK <ibratech@gmail.com> wrote:

Gentlemen,

Please advice PWHT required or not for small blind flanges also if the vessel is in sour service.The blinds having no welding on it.

As per my understanding PWHT is only for weld, not for base metal.

If welding on blinds like davit, manway handle can be justified. Is it required for other blinds not having any weld on it.

Experts please provide your view on it.

Reg,

Ibrahim

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