Re: [MW:34095] Forming marks on Dish End of pressure vessel

In 22 years of experience, Myself alone inspected more than 1k U stamped pressure vessels but never encountered as such enclosed. Strange ! Better to consult some reputed third party agencies.

On Thu, 23 Mar, 2023, 9:26 am , <ameerbashasheikh@gmail.com> wrote:

Hi, 

One of our pressure vessel manufacturer recently supplied Oil and Gas separator having distinct forming marks on dish ends. Supplier claims that those marks are aesthetic and do not hamper vessel performance. Photo is attached herewith. 

Being the end user we are not in position to make final decision whether to accept the pressure vessel with distinct marks on dish ends and put under operation or not. The pressure vessel is designed as per ASME sec VIII Div I and vessel is U Stamped. The vessel is hydro tested and holds good. ASME inspector has not commented anything on forming marks or pressing marks in their release note. 

Please guide should we accept it or to ask supplier to rectify the same or any section of ASME code confirms non acceptance of same in pressure vessel. 

Regards, 

Ameer Basha 

Sent from my iPhone

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