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how is "wg" defined 2

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Cthornton

Civil/Environmental
Joined
Mar 18, 2004
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9
Location
US

I came across the following in a specification:

"...positive internal pressure of + or - 10 inches wg"

1. What is wg?
2. How can I measure it?
3. Can it be correleated to psi or inches Hg?

thanks in advance

chad
 
Probably water gauge, which you might use to measure the pressure created by a fan, for example. In which case divide by 13.6 to get inches of mercury.

Cheers

Greg Locock
 
I would confirm Greg Locock's advice that it is inches water gauge IE 10"WG is the pressure that will support a column of water 10 inches high.

If you are in ISO land multiply by 0.248 to get kPa (kilopascals). IE 10"WG equals 2.48kPa.
 
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