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abhilashkm01
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Join Date: Mar 2010
Posts: 2

ISO and NAMUR mountings

03/25/2010 11:01 AM

What is the difference between ISO and NAMUR mountings.?

What is Flush mounted instrument??
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RDGRNR
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Engineering Fields - Instrumentation Engineering - New Member

Join Date: Dec 2009
Location: San Antonio, TX USA
Posts: 844
Good Answers: 29
#1

Re: ISO and NAMUR mountings

03/25/2010 12:45 PM

ISO is the International Standards Organization; Namur is the International User Association of Automation Technology in Process Industries. Look at them here. A flush mounted instrument as far as I can tell is exactly what it sounds like.

__________________
 "Do not worry about your difficulties in Mathematics. I can assure you mine are still greater". - Albert Einstein
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Carl_E
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Join Date: Nov 2009
Posts: 335
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#2

Re: ISO and NAMUR mountings

03/27/2010 8:58 AM

The original question omits any mention of the 3rd international standard for actuated valves, VDI/VDE standard for accessories, like switches.

For an excellent tutorial on standards for actuated valves see Emerson's Hytork page.
http://www.emersonprocess.com/valveautomation/hytork/Products/HTML_Pages/Standard_Interfaces.htm

For a quick look, the graphic says it all:
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