UG 32 (ASME Sec VIII – Div 1)
(l) All formed heads, thicker than the shell and concave to pressure, intended for butt welded attachment, shall have a skirt length sufficient to meet the requirements of Fig. UW-13.1, when a tapered transition is required. All formed heads concave to pressure and intended for butt welded attachment need not have an integral skirt when the thickness of the head is equal to or less than the thickness of the shell. When a skirt is provided, its thickness shall be at least that required for a seamless shell of the same inside diameter.
Rgds
Raj
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Karthik
Sent: 06 January 2012 14:43
To: materials-welding@googlegroups.com
Subject: Re: [MW:13428] Straight Face Requirement in Dished End..Reg.,
Hi,
The straight Face on the dished head is important to weld the Dished head to the Vessel/Shell. As you know, all welds joints surface and face to be flat and smooth for welding.
Thanks & Regards,
(Karthik)
Karthikeyan.S
QA/QC Manager
Getabec Energy Co.,Ltd.
379,Moo6,Soi8,Nikhomphatana,
Rayong-21180,
Thailand.
Phone: 0066 38 897035-8 (Off)
Fax: 0066 38 897034
Hand Phone: 0066 892512282
From: Shashank Vagal <nach_sam@yahoo.com>
To: materials-welding@googlegroups.com
Sent: Thursday, January 5, 2012 10:21 PM
Subject: Re: [MW:13420] Straight Face Requirement in Dished End..Reg.,
Will you please be more specific? This is an interesting question.A sketch will be of great help.
Dear Friends, Is there any specific requirement specified any PV Codes regarding requirement of Straight Face in Dished Ends. Best regards K C R -- |
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