Antifreeze Systems

[NJ1]

Hello Guys

My Engineer is out of vacation and I cant remember how you measure amount of gallons per liner foot of pipe. I cant remember where to find this on NFPA. Any help?

 

[JerSPK]

I used to have a chart for different pipe sizes, but the following formula will do it for any size:

.04079905 x d^2 = Gallons per foot (d = internal pipe diameter)

There are pipe dimensions for different schedule pipe in the Annex of NFPA 13. In 2007 edition it is Table A.6.3.2.