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CV code valves
2

CV code valves

CV code valves

(OP)
Can someone please tell me what CV code valves mean?

RE: CV code valves

I don't think anybody really understands the question.  Do you mean like in FCV or PCV?

FCV = flow control valve
PCV = pressure control valve

   Going the Big Inch! worm
http://virtualpipeline.spaces.msn.com

RE: CV code valves

(OP)
Thanks BigInch,
"CV code valves" is supposedly an "approved standard" for valves. I have searched the internet for it but did not find it. It could be in relation with ASME B31.3 as the piping system is in accordance with it.

Olmedo

RE: CV code valves

Olmedo,

I have never heard of "CV code valves".

Would you give a bit more description and background? It may help.

"Do not worry about your problems with mathematics, I assure you mine are far greater."   
Albert Einstein
Have you read FAQ731-376 to make the best use of Eng-Tips Forums?

RE: CV code valves

(OP)
BigInch and IRstuff,

Thanks again. Actually it is in that LANL website were I encountered "CV Code Valves" but I do not know where it refers to. Can you help me out with this?

Olmedo

RE: CV code valves

The Los Alamos document uses the term CV Code like a valve catalog number.  The PIP has a standardized piping specification format.  Most companies with a piping department have some way to differentiate valves.

RE: CV code valves

Olmedo,

I think this may be a company specific designation.

"Do not worry about your problems with mathematics, I assure you mine are far greater."   
Albert Einstein
Have you read FAQ731-376 to make the best use of Eng-Tips Forums?

RE: CV code valves

see page 2: http://shop.solardirect.com/pdf/water-heaters/valves/am_series.pdf -- "anti-scald code valve"

see page 12: http://www.velan.com/products/pdfs/vel-cryo-2001-web.pdf -- "An ASME Section III manual for code valve production"

see page 94: http://www.nrc.gov/reading-rm/doc-collections/nuregs/conference/cp0152/v5/ml041900037pt3.pdf -- "The identification of appropriate reliability tasks and
documentation can be identical for both ASME Code
check valves and non-Code valves."

TTFN



RE: CV code valves

(OP)
Thanks everybody specially to IRSTUFF, I now believe that "CV Code Valves" refer to ASME Code probably ASME B16.34. The initials CV could be "Common Valve".

Olmedo

RE: CV code valves

Hi Olmedo , maybe you are reffering to the CV or flow coeficient of a valve that is defined as
THE NUMBER OF US GALLON PER MINUTE AT 60°F THAT WILL FLOW TROUGHT THE FULLY OPEN VALVE WITH A PRESURE DROP OF 1 PSI

RE: CV code valves

I believe it is generally best to minimize acronyms in documents of the engineering and perhaps other fields, but I also don't necessarily dispute the convenience of such abbreviations.  Regardless of formal rules or requirements in the field, I think it is however most helpful (when one uses acronyms) to at least provide a reference or expansion/definition the first time the acronym appears in a document.

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