there is no maximum dia limit for spin holes in dished ends as per code. generally it ranges from 25 mm to 40 mm.
if there is no nozzle at that location than patch shall be welded and 100% radiographed which is code requirement.
Regards
Sanjay Yadav
-- On Thu, Sep 6, 2012 at 9:16 AM, hemant <hsuthar@chemithon.co.in> wrote:
--Dear Sir,
What is the minimum & Maximum size of spin hole plate as per code reference. Pls reply me.
HEMANT SUTHAR
QA/QC
CEPL-SILVASSA
9712973092
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