convert p.s.i.a in p.s.i.g

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convert p.s.i.a in p.s.i.g

Postby sonoma » Tue Sep 21, 2004 10:46 pm

how to make conversion. 175 p.s.i.a. in p.s.i.g ?
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Re: convert p.s.i.a in p.s.i.g

Postby Knight » Tue Sep 21, 2004 11:35 pm

sonoma wrote:how to make conversion. 175 p.s.i.a. in p.s.i.g ?


You'd have 160.3 PSIG

The trick in converting these is in understanding what each one means. PSIA Means PSI Absolute, whereas PSIG means PSI Guage.

If you look at a pressure guage at sea level, it should read zero. Thats PSIG. But in reality, there is 14.7 PSI there already, simply because of the atmosphere. So the Absolute pressure (PSIA) would be 14.7 PSI.

So...

PSIA - 14.7 = PSIG

PSIG + 14.7 = PSIA
William J. Knight
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Los Alamos National Labs
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convert 1.80 to pound per square inch

Postby Guest » Sun Feb 27, 2005 5:30 pm

sonoma wrote:how to make conversion. 175 p.s.i.a. in p.s.i.g ?
Guest
 

Re: convert p.s.i.a in p.s.i.g

Postby Guest » Tue Mar 22, 2005 9:54 pm

sonoma wrote:how to make conversion. 175 p.s.i.a. in p.s.i.g ?
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