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RE: Water vapor units

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1 pound = 7000 grains


1 BTU = 6.65 grains (latent heat water vapor)



Randall H. Collier, P.E.



-----Original Message-----
From: GSKWY(--nospam--at) [mailto:GSKWY(--nospam--at)]
Tuesday, May 27, 2003 2:17 PM
To: Seaint(--nospam--at)
Subject: Water vapor units


There is a unit for moisture flow called a "grain"  which can be converted to pounds.  

I.e, grain/ sf /hr  can be converted to lb/ 1000 sf / 24 hr.

Does anyone happen to know (off-hand) the conversion?

Thanks,  Gail Kelley