When there is a fire, and that of course is what the design is all
about, how much expansion is going on for a small system in the
moments before the first sprinkler opens? The system should not
rupture just as it is needed.
Allan Seidel
St. Louis, MO
On Jul 31, 2012, at 8:29 AM, Vince Sabolik wrote:
Thanks guys, but my point is this:
The entire system is filled with glycerine.
Only a very small part of the piping is exposed to temperature
extremes.
If anti freeze expands only when temperature extremes are encountered,
why size a tank for the whole system that sits in in conditioned or
heated air?
Just curious!
At 09:03 AM 7/31/2012, you wrote:
Vince,
My gut tells me to use numbers. If you post the system capacity, mix
percentage, temperature extremes, and chamber max working pressure,
I can
tell you what the max static pressure at the chamber can be.
-----Original Message-----
From: Vince Sabolik [mailto:[email protected]]
Sent: Monday, July 30, 2012 5:58 PM
To: SprinklerFORUM
Subject: E x p a n s i o n T a n k s
I need a genuis quick!
A small amount of piping on an existing antifreeze system runs
through an area where temperature
"extremes" can occur. The rest of the system is located in
conditioned air. I'd estimate the split at maybe 95-5% .
Although the entire system is antifreeze, has a one gallon tank, and
the pressure has never "spiked". The expansion will
all be in the conditioned area.
So, my question is, should I have the owner consider a new tank on
this basis? My gut tells me it's
needless... what's yours tell you?
thanks,
Vince
Vince Sabolik, West Tech Fire Protection, Inc.
11351 Pearl Road / Strongsville, Ohio 44136 440
238-4800 Fax 440 238-4876
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