On 3/11/2015 12:03 PM, Roland Huggins wrote:
The needed answer depends on what is the underlying or driving question in why
you ask
All right, define "working pressure".
Would that be the pressure available at no flow; pressure at design flow;
or the pressure present at one head flowing?
In the NFPA definitions, it says "the maximum anticipated static
(nonflowing)
or flowing pressure"
Either or?
Who (or what) is supposed to determine?
West Tech Fire Protection, Inc.
11351 Pearl Road / Strongsville, Ohio 44136
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