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how is "wg" defined
2

how is "wg" defined

how is "wg" defined

(OP)

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

RE: how is "wg" defined

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

RE: how is "wg" defined

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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