often be hard to prove a negative… any reason to think that it IS
required?
Matt
From: Sprinklerforum On Behalf
Of Bruce Verhei via Sprinklerforum
Sent: Tuesday, April 14, 2020 3:07 PM
To: sprinklerforum@lists.firesprinkler.org
Cc: Bruce Verhei
Subject: Re: Insulation on Valve Risers
I
> Behalf Of James Crawford via Sprinklerforum
> Sent: Tuesday, April 14, 2020 2:04 PM
> To: sprinklerforum@lists.firesprinkler.org
> Cc: James Crawford
> Subject: Insulation on Valve Risers
>
> I have seen it done but cannot seem to find the code reference in the Factory
> Mu
I’m assuming the reason for insulting the pipe in the valve room is to prevent
it from sweating due to the difference in temps between the exposure of the
refrigerator versus the temperature of the riser room?
Technically insulating to prevent condensation isn’t a requirement, however it
might
forum *On
> Behalf Of *James Crawford via Sprinklerforum
> *Sent:* Tuesday, April 14, 2020 2:04 PM
> *To:* sprinklerforum@lists.firesprinkler.org
> *Cc:* James Crawford
> *Subject:* Insulation on Valve Risers
>
>
>
> I have seen it done but cannot seem to find th
;
From: Sprinklerforum On Behalf
Of James Crawford via Sprinklerforum
Sent: Tuesday, April 14, 2020 2:04 PM
To: sprinklerforum@lists.firesprinkler.org
Cc: James Crawford
Subject: Insulation on Valve Risers
I have seen it done but cannot seem to find the code reference in the Factory
Mutual Data Sheets.
W
I was always more concerned that the valve room was insulated, to slow cooling
during power outage.
Are you attempting to keep the pipe interior cold? This would seem to be result
of insulating it in the heated room, at least downstream of valves.
Best.
Bruce Verhei
> On Apr 14, 2020, at
I have seen it done but cannot seem to find the code reference in the Factory
Mutual Data Sheets.
We have a refrigerated storage building protected with a double interlock
pre-action system. The valves are located in a heated mechanical room next to
the freezers, with the risers penetrating
