This hot work/fresh welding can not be done after hydrotest
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On Thursday, 10 July 2014 5:45 AM, Shridev Kurup <shridevk20@gmail.com> wrote:
5 x under root (dt) banding and
10 x under root (dt) insulation .where d- dia of nozzle /pipe and t- thickness of matetial.this is as per Asme 31.3. Minimumm when practically possible. Nothing mandatory noted in sec viii div 1. Hope to see experts opinion.
10 x under root (dt) insulation .where d- dia of nozzle /pipe and t- thickness of matetial.this is as per Asme 31.3. Minimumm when practically possible. Nothing mandatory noted in sec viii div 1. Hope to see experts opinion.
On 9 Jul 2014 03:43, "Ankit Gandhi" <asgandhi.90@gmail.com> wrote:
-- Dear--
After hydrostatic test we have alter a nozzle kindly suggest me how much area should cover in Local PWHT around that nozzle to avoid thermal gradient?
Regards,
Ankit Gandhi
QC Engineer.
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