The way I was taught was to keep the top valve open and the bottom valve
closed to collect the condensation in the drum. Then, annually or as
needed, close the top valve and open the bottom valve to drain the
condensate. Then close the bottom valve and open the top valve to restore
it to a condensation collection condition.
NFPA 25 Table 5.1 requires this to be annually prior to freezing and as
needed.
Thank You
Rahe Loftin, P.E.
Region 7 - GSA
Office - 817-978-7299
Fax - 817-978-8644
Cell - 817-371-3102
"Todd Williams -
work" To
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Sent by: cc
sprinklerforum-bo
[EMAIL PROTECTED] Subject
er.org drum drip
05/13/2007 08:15
AM
Please respond to
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When a drum drip is left in 'normal' position, which valves are open
and which closed? I always thought that the top valve is open and the
bottom valve shut. A fitter told me that both valves are supposed to
be shut. When I asked him where that came from, he admitted that's
what he was taught. Which is correct, if either?
Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, Connecticut
860-535-2080
www.fpdc.com
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