Re: [MW:23060] Acceptance of fillet partial weld

Mr Joshi,

This is the wrong attachment and you can not justify it with code reference.

This extended body valve is female end socket type which must not be attached directly to socko let. If this would had been a male type plane end valve then only it PE of the valve can be welded directly with sockolet. We have use this type of the valves on a lot of projects and never come across such situation.

This is definitely wrong selection of joint type.

Regards

Hafiz Ali Alvi

Sent from my iPhone

On Apr 8, 2015, at 5:07 PM, Kashif Syed <syedkashif.mech@gmail.com> wrote:

Hi Mr. Joshi,

The sockelet has been directly welded with the gate valve. 

Further, our welding dept. has capped the exposed area of the gate valve which was partial fillet weld but after that also the client is adamant.

Will it service affect  if the joint has been capped like this?

Thanks & Regards, 


Syed Kashif 

On Wed, Apr 8, 2015 at 10:59 AM, <hwjoshi@tce.co.in> wrote:

If one goes by the actual shape of the sockolet as per BONNEY FORGE  then the valve end ought not to be visible . In your picture it is visible. Has any insert been socket welded between the sockolet and the valve?







your truly
H W JOSHI
ENGINEER MECHANICAL
TATA CONSULTING ENGINEERS LTD
MUMBAI - 400 083
TEL : 022 61148414

Kashif Syed <syedkashif.mech@gmail.com> Sent by: materials-welding@googlegroups.com 08-04-2015 12:46 Please respond to materials-welding@googlegroups.com

To Lakshman <lakshmankumar4@gmail.com> cc materials-welding@googlegroups.com Subject Re: [MW:23056] Acceptance of fillet partial weld

Dear Mr. Lakshman,

Thanks for your comment. Further, can we cap the fillet joint ? As the client is saying that it is a partial weld . Is there any effect on the joint because of this ? 

Regards,
kashif syed

On Wed, Apr 8, 2015 at 6:42 AM, Lakshman <lakshmankumar4@gmail.com> wrote:
Hi,
It can be proved by doing hydro test if possible.
Else another option is fillet throat thickness should be minimum of base metals thickness (lots of code references are available, in this case minimum of valve body or socklet pipe thickness,)
Further one more detail need to recheck that the sockolet design, it is tapered and inside to the valve, this may cause damage to the valve sealings due to very high velocities' forming at that zone.

Lakshman kumar.B
Project manager.
9440031459

---

From: hwjoshi@tce.co.in
Sent: ‎07-‎04-‎2015 17:25
To: syedkashif.mech@gmail.com
Cc: materials-welding@googlegroups.com
Subject: Re: [MW:23050] Acceptance of fillet partial weld


Are you certain it is the sockolet attached to an extended body gate valve?





your truly
H W JOSHI
ENGINEER MECHANICAL
TATA CONSULTING ENGINEERS LTD
MUMBAI - 400 083
TEL : 022 61148414

Kashif Syed <syedkashif.mech@gmail.com> Sent by: materials-welding@googlegroups.com 07-04-2015 16:37 Please respond to materials-welding@googlegroups.com

To materials-welding@googlegroups.com cc Subject [MW:23049] Acceptance of fillet partial weld

Dear Members,

Good day.

I have a query regarding the partial fillet weld acceptance for Gate valve to sockelet connection from branch pipe.

We have welded the fillet weld of sockelet to Gate valve inlet but the client is not convinced with the weld joint strength and asking for technical acceptance of the pipe as per ASME B31.3. Attached drawing for reference.

The pressure is 7 bars.

Please comment whether there is any other option or this is acceptable with code reference.



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Thanks & Regards,


Syed Kashif 

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Thanks & Regards,


Syed Kashif Farhan
QA/QC Engineer,
Ramsis Engineering,
Bahrain

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Thanks & Regards,

Syed Kashif Farhan

QA/QC Engineer,

Ramsis Engineering,

Bahrain

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