I can't find it, but I thought they were allowed on smaller backflows, I
think for residential? I assume yours is 13 Greg what with the antifreeze..

R/
Matt

 

 

Matthew J. Willis, CET
Automatic Fire Sprinklers
Norred Fire Systems L.L.C.
318-387-1134 Voice
318-816-1087 Mobile
318-387-1163 Facsimile
[email protected]



> >-----Original Message-----
> >From: [email protected] [mailto:sprinklerforum-
> >[email protected]] On Behalf Of Dewayne Martinez
> >Sent: Wednesday, July 28, 2010 6:04 AM
> >To: [email protected]
> >Subject: RE: Small RPZ for the govt
> >
> >Greg,
> >Did you find one that was UL listed for fire protection?
> >I thought the ones with the ball valves were not because
> >they were not slow close valves per NFPA 13.  I know Wilkins
> >makes a DC that is UL listed for 2" and smaller that has Milw
> >BB valves on it.
> >
> >-----Original Message-----
> >From: [email protected]
> >[mailto:[email protected]] On Behalf Of Greg
> >McGahan
> >Sent: Tuesday, July 27, 2010 4:49 PM
> >To: [email protected]
> >Subject: Small RPZ for the govt
> >
> >
> >Will the Feds accept an 1-1/2" rpz with Ball valves on an anitfreeze
> >loop?
> >
> >Thanks,
> >Greg
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> >13:34:00

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