I do not think that the buffer layer is required.
Nikhil
On Tue, 30 Jun 2009 15:08:49 +0530 wrote
>Normally you require a buffer layer of austentic stainless steel ( E309 or E 347 ]prior to carrying out Stellite overlay thereby avoid cracking and need to ensure cracking is not present by DPI
>Regards,
>Francis Lobo .
>----- Original Message -----
>From: Nikhil
>To: waheedullah@fatima-group.com
>Cc: materials-welding@googlegroups.com
>Sent: Tue, 30 Jun 2009 12:23:29 +0530 (IST)
>Subject: [MW:2598] Re: Welding repair of gate valve
>
>Whether cracks observed in Seat or other part?
>
>
>
>If in seat and if it is stellited, ou need to remove stellite before depositing fresh weld of stellite.
>
>
>
>Nikhil
>
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>
>On Tue, 30 Jun 2009 12:18:08 +0530 wrote
>
>>Dear all,
>
>>
>
>>Kindly advise repair of cracks observed in gate (overlay of satellite-6 on
>
>>F-6 base material)
>
>>
>
>>Thanks,
>
>>
>
>>S.Waheedullah Shah
>
>>
>
>>
>
>>>
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>>
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>--
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>>
>
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1 comment:
Valve actuators are really needed for complex tasks in the high power market.If the load requires accurate positioning, the electric actuators as well as the valve actuators has the advantage among others.That is why,to familiarize yourself in this kind of industrial application , knowing how an automation works is a wisely action and will positively keep us in track.
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