RE: gi bolt type joint.

From: <Conner>
Date: Mon Jan 16 2006 - 09:06:00 EST

Is it possible this is meant to be a sort of mechanical "Gibault"-type joint (or mechanical joint collar or sleeve?) Such a structure, similar to a flanged adapter(or) or Dresser/Smith-Blair et al coupling, would allow "drop-in" (or pull out) assembly (or disassembly) e.g. between flanges (see also the last fitting, the "collar" at the site
<a href="http://www.acipco.com/international/products/Sec10.pdf.">http://www.acipco.com/international/products/Sec10.pdf.</a> It should be noted that just a mechanical sleeve per se between flanges would not however provide longitudinal restraint to a system, if this was necessary in the application (so rods across flanges or other restraint would have to be provided, if restraint is needed). Special mechanically joined structures sometimes referred to as "dismantling joints" or restrained flange adapters often contain restraint features in the devices. You could perhaps do an internet search with the help of these terms for more information, if this doesn't "hit it".

Randy Conner
Research Department - Technical Division American Cast Iron Pipe Company
1501 31st Avenue North, Birmingham, AL 35207 P. O. Box 2727, Birmingham, AL 35202
ph 205-325-7946
fax 205-325-8095

-----Original Message-----
From: <a href="/group/PipingDesign/post?postID=YwHaXmOajXxLQ1pGqEVi_06rr1u2T5AdjvfOjhi_H2KZSn6ZvTn4eHzGxRHIls302jQFh2SnKCX9P9XitbomgwfzoH_8UQM">PipingDesign@yahoogroups.com</a>
[mailto:PipingDesign@yahoogroups.com]On Behalf Of Singh AnilKumar SPEL
Sent: Monday, January 16, 2006 1:15 AM
To: <a href="/group/PipingDesign/post?postID=YwHaXmOajXxLQ1pGqEVi_06rr1u2T5AdjvfOjhi_H2KZSn6ZvTn4eHzGxRHIls302jQFh2SnKCX9P9XitbomgwfzoH_8UQM">PipingDesign@yahoogroups.com</a> Subject: [PipingDesign] gi bolt type joint.

Hello piping experts,
Can anybody tell me something about gi bolt type joint. This is a case of flanged spool piece( 500 mm) between two fixed flanged ends in the water pipe.
For removal of gasket the above type of joint is recommended. If someone can give some details/ information than it will be a great help.

Thanks & regards

Anil Singh
SIEMENS Power Engineering (P) Ltd.
Plot No. 6A, Sector-18, Maruti Industrial Area, Gurgaon - 122015, Haryana.
*Tel.: ++95124-2842009
  Fax. . ++91-124-2347512
*Mail: <a href="/group/PipingDesign/post?postID=kZUaz7M_UHSyHKr5FR98qJas2nPF8ckr2tWnPO24rxRF5zhXO6X6XHCpZ9Btgk-QmPyEsfS8R3fyKmkqOVoLRA8">anilkumar.singh@siemens.com</a>

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