Re: [MW:18542] 4'',check valve bad surface finishing

The nut area has been machined, may be to meet the dimensions requirements as per specs. Yes, the surface finish is not good. Valve suppliers use old castings some times to meet urgent requirements. Only the quality (QC) person attended stage inspection during manufacturing can say more about such thing.

Regards,

Vrajesh

Sent from my iPhone

On Aug 29, 2013, at 5:15 PM, Ezat Adel <ezatadel2008@gmail.com> wrote:

> Dear Expert,
>
> could you please see attached image for 4'',check valve,A216 WCB
> received as a new valve i have a doubt about the nuts area marking, if
> it's can occur during casting process or this valves used before.
> also the surface finishing in bad condition.
> i am waiting your advice asap.
>
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