Re: RE: Bolt tightning/tensioning

From: <Davis>
Date: Fri Jun 22 2001 - 09:45:00 EDT

Ralph,

The books can be acquired through Marcel Dekker's webiste: www.dekker.com

Our website for USA is www.thermosealinc.com. However, I have forwarded your questions and request for the software to my home office in Sidney, OH. I think they will, in turn, forward you to our location in Saudi Arabia.

Thanks for your interest!

• Davis

>>> "SARE, RALPH H." <SARERH@YANPET.SABIC.com> 06/19/01 11:44PM >>>
To Davis,
1. i have one more room for book before i release the purchase requsition. of the two books u mention by j Bickford which is a "must have". Appreciate your respond on this.
2. Buy your gasket, do i get sotware free? Missed the dot com address. 3. For flange , the factors that affect the tightness of the joint is well covered in Section VIII Div 1 Appendix 2. Even B31.3 (304.5.1) wiill refer u back to Div.1 . One drawback though, the external loads are not factored in.

> ----------
> From: Davis McConnico[SMTP:dmcconnico@thermosealinc.com]
> Reply To: <a href="/group/PipingDesign/post?postID=NRHMYTq6vNoLUwIkkLmhjW351rQNG_6R40onjRuq8Zjz4vmgwGXMejkbXD3AkFKVd0DKUAu9xCOBfTHrkuQaohu8">PipingDesign@yahoogroups.com</a>
> Sent: 18 June, 2001 8:11 AM
> To: A.Mandar@TECNIMONT.CO.AE; <a href="/group/PipingDesign/post?postID=fgVmrJhyGVjafvV5C4lMoQ2WfPIRic1JIfU_64RzjQ62TtYYuTKpL0dhRrdgU49lDQs5xSmYCZ74StorBie5F1qvUuqd">Pipingdesign@yahoogroups.com</a>
> Subject: Re: [PipingDesign] Bolt tightning/tensioning
>
> This is an interesting group. I am in the gasket business and have been
> waiting for a subject with which I am at least tangentially involved.
>
> There are two great books on the subject of bolting and tensioning:
>
> 1) "An Introduction to the Design and Behavior of Bolted Joints", by John
> Bickford (Marcel Dekker), and
>
> 2) "Gaskets and Gasketed Joints", edited by John Bickford (Marcel Dekker).
>
> John Bickford is the acknowledged expert in the field of bolting gasketed
> joints. These books are excellent and cover almost every aspect of the
> subject including tensioning and torquing in depth.
>
> The biggest misconception I have seen in industry is that there is, or
> should be, a specified torque for a given bolt, size, etc. The contention
> of my company, as well as most of the rest of the gasket manufacturing
> industry, is that the required torque, or gasket load, is a function of
> what the gasket needs given the parameters of the application
> (temperature, media, pressure, etc.). There will typically be a range of
> loads for the conditions present. These ranges are a maximum load
> compression and a minimum load required to seal and they will be dependent
> on the type or style of gasket selected.
>
> At the risk of appearing blatantly capitalistic, our company offers
> software which guides a user in correctly identifying the gasket loading
> (and torquing) values for our gasket materials.
>
> >>> "Mandar Apte (Ruwais Site - ENG)" <A.Mandar@TECNIMONT.CO.AE> 06/15/01
> 11:57PM >>>
> Can anyone guide me to find the values of Bolt torque tightning and
> tensioning for different sizes and ratings on the net.
>
> have a nice time :-)
> Mandar
>
>
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Your use of Yahoo! Groups is subject to <a href="http://docs.yahoo.com/info/terms/">http://docs.yahoo.com/info/terms/</a> Received on Fri Jun 22 09:45:00 2001