Sunday, February 22, 2015

[MW:22914] welding techniques on pipe spools-reg

Hi friends,
 
I need some welding techniques for the below issue.
we have pipe spools of 1"& 3/4" with pipe to valves.
Can any body suggest me, how to prepare for welding with pipe to valve.
All joints are socket welds.
1. whether I have to keep the valve in open or closed condition?
2. whether I have to remove the gland from the valves during welding?
 
Kindly suggest me, if there is any procedure for this process?
 
Thanks and regards,
M. Sivachidambaram
QHSE Engineer

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