Dear Mr. Sanjay, As per ASME Sec. VIII-1, there is a max. limit on spin hole Dia. 60 mm. It may be closed with a full-penetration weld using either a welded plug or weld metal. The weld and plug shall be no thinner than the head material adjacent to the spin-hole. The finished weld shall be examined7 and shall meet the acceptance requirements of Appendix 6 or Appendix 8 of this Division. Radiographic examination, if required by UW-11(a), and additional inspections, if required by the material specification, shall be performed. With warm regards, C. R. GANDHI (Manager- Q.A./Q.C.)
--- On Sun, 9/9/12, Sanjay Yadav <ssy070707@gmail.com> wrote:
From: Sanjay Yadav <ssy070707@gmail.com>
Subject: Re: [MW:15254] maximum and minimum size of Dish end end SPIN hole plate.
To: materials-welding@googlegroups.com
Date: Sunday, September 9, 2012, 10:20 PM
dear sutar,
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: 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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