Thanks Brad,

Where in which book is that? I found in 24 of course the formula for acceptable 
loss but couldn't reverse engineer it.

I'm just planning because some plumbers are working on a few leaky connections 
but nothing to account for most of a pressure loss. I know it goes down as the 
pressure drops. They are using a hand pump so I tried to calculate the amount 
of pumps that had to occur to keep the pressure at 200 psi and use the info 
from the pump to find how much per pump it put into the system. I think I'm 
close but wanted to find a more exact formula.
Sent from iCloud

On Apr 15, 2014, at 03:14 PM, Brad Casterline <[email protected]> wrote:

Just a quick shot off the top of my head: 5 psi/.433=11.55 ft/144=.08 ft3*62.4 
lb/ft3=5 lb of water/8.33 lb/gal= ~.6 gallon in 2 hours. Does that sound 
right?!? I guess I could look at the book farther than + or - 5 psi (if I was 
not busy doing my taxes).
Thanks, brad
       > On Apr 15, 2014, at 2:53 AM, Aaron Peck <[email protected]    > wrote:
       >        > I can't seem to find one but I'm trying to find the volume of water loss during a pressure test. I can get the total volume of water in the pipe but can't seem to find a formula to help with finding the volume loss.        >        > Sent from my iPhone
       > Aaron M. Peck, SET Fire Protection
       > Skype +1(202)407-9079
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