Re: [MW:17269] Test subsea welded-in valve seal

Dear Mr.Son,

Yes, I'm Vietnamese and nice to see you :).
Thanks for your advice but what I need 's spec to refer and how to
check the valve seal leaking because the valve is installed in series.

On 4/2/13, truong son bui <truongbs70@gmail.com> wrote:
> Dear Toan,
> Are you Vietnamese ? This is first time I see Vietnamese in this forum and
> is great.
> Your problem is simple: after welding, the welded valve may be inefficient
> by heating (shrink, crack ...) by slag. Those cause should make the valve
> be impaired.
> Inorder to sure it's functionality has been perfect, you should prepaire a
> temporary spool or hose and hydrolic pump ... for testing according by it's
> functionality. The testing proceduce should be approval by QA authorised.
> Wish success to you.
>
> On Mon, Apr 1, 2013 at 8:55 AM, toanvnguyen
> <nguyenvantoan221@gmail.com>wrote:
>
>> Dear Experts,
>>
>> We're doing a PLEM and TPAM project. The type of valves's welded-in
>> valve.
>> In spec. require as follow: "After fabrication's complete, welded-in
>> valves
>> shall be subject to seal tests in accordance with the relevant project
>> valve specification to demonstrate the valve functionality has not been
>> impaired during fabrication".
>> Could you pls give me some advice about this kind of tests. Many thanks.
>>
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>
>
>
> --
> Bui Son Truong - Director
> LILAMA Consultant Co.
> Address: 124 Minh Khai street, Hai Ba Trung Dist., Ha noi, Viet Nam.
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--
Best Regards,
--------------------------------------------
Nguyen Van Toan
Piping & Machine Supervisor
Structure WS 2
- PTSC M&C
HP: 0907496198
email: toanvnguyen@ptsc.com.vn
Skype: toan_ptsc_mc

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