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9 comments
Member

Join Date: Oct 2007
Posts: 6

Stainless steel spacers

10/10/2007 12:04 PM

I am looking for a source of 316 S.S. spacers of various diameters about 0.0625 thick.They are for putting between FRP pipe flanges and raised face mettalic flanges. This spacer keeps the FRP flange from being torqued inward and causing a failure. If anyone could point me in the direction of a source for these, it would be very helpfull.

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Pathfinder Tags: flange flanges FRP Pipe piping spacer
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Guru

Join Date: Jul 2007
Location: 30°30'N, 97°45'W, Elv: 597 ft.
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#1

Re: Stainless steel spacers

10/10/2007 12:14 PM

obviously you can have them made. what is the diameter?

We use a fitting called a face seal VCR fitting which utilizes a metal gasket of SS or Ni, that thick but only up to 1.5 inch dia.

Our application is in gaseous chemical delivery (ultra-pure) in the semi-con industry.

More specs gets you more response.

cr3

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#2
In reply to #1

Re: Stainless steel spacers

10/10/2007 12:30 PM

There will be pipe sizes from 1" - 10". It would have to have an I.D. that fit over the raised face portion of the mettalic flange and an O.D. that coincided with the piping flanges O.D.You are correct that I can fab. these but if I can find a source it will save me some headache of getting the fabed ones approved through the channels. I understand that this is something in the piping world that is not done due to that you can machine off the raised face to make the connnection as it should be. It is only when using the FRP material to Mettalic

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#3
In reply to #2

Re: Stainless steel spacers

10/10/2007 12:32 PM

And it has to be SS?

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#4
In reply to #3

Re: Stainless steel spacers

10/10/2007 12:33 PM

yes. it has to be 316...

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Guru

Join Date: Jul 2007
Location: 30°30'N, 97°45'W, Elv: 597 ft.
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#5
In reply to #4

Re: Stainless steel spacers

10/10/2007 1:14 PM

I personally do not know of any ready made. However, this seems to be a pretty basic design and should be suitable for many manufacturing methods such as laser, punch, water jet etc. The cost of which would be considerably low.

Good luck.

cr3

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Associate

Join Date: May 2006
Location: Roseville (Detroit area), Michigan
Posts: 50
#6

Re: Stainless steel spacers

10/11/2007 6:24 AM

Our company specializes in prototype and production stamping. We have made many different parts from 316 SS in many different configurations. We can make washers or spacers very cheap, most of the cost would be the material. Depending on the volume of parts needed, we could laser cut them from sheet stock or die cut them from coil.

If you are interested in getting a quote, please send us the desired dimensions and volume of parts needed and I will get you a quote today.

Thank you, Marcus Stackpoole Account / Project Manager A.S.A.P. Design Inc. Shop: (586) 445-8300 Cell: (586) 839-7979 Fax: (586) 445-8303 E-mail: marcus@asapstamping.com

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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain - possibly to become "South Scotland" or "Non-Caledonia" from September 2016. Kettle's on.
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#7

Re: Stainless steel spacers

10/11/2007 7:12 AM

1.5mm thick stainless steel washers? Hmmmmmmmm.....

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#8

Re: Stainless steel spacers

10/11/2007 12:14 PM

you may try www.misumiusa.com

they have lots of items that allow for customized dimensions and materials (spacers, shafts, weldments etc.)

low price , low quantities and fast delivery

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Guru
Hobbies - DIY Welding - pipewelder

Join Date: Apr 2007
Location: North Georgia, USA
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#9

Re: Stainless steel spacers

10/12/2007 9:10 AM

I have used these many times in the past for near all sizes of pipe. Check with your pipe supply house they should be able to get them. In a pinch you can use washers. All you want to do is to make up the gap to prevent warping or cracking of the cast flat face flange. Most raised faces are 1/16" so the washers will work. These spacers are also used when a ring gasket is used instead of a full face gasket on flat face flanges. If you need to you may have to grind them down a little bit or go thicker if you use a thicker gasket.

pipewelder

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