I don’t believe it’s actually a listing.  For example, the Reliable F4FR is
a concealed sprinkler designed for MRI rooms because the cup is made of
brass instead of steel.  It is just a UL Listing as a concealed QR
sprinkler.

On Tue, Nov 13, 2018 at 10:07 AM Matthew J Willis <ma...@rapidfireinc.com>
wrote:

> There are sprinklers listed specifically for those rooms.
>
>
>
> May not be too invalid a request..?
>
>
>
> But if everything is non-ferrous, you are still good. Unless your specs…..
>
>
>
> R/
>
> Matt
>
> <https://maps.google.com/?q=1530+Samco+Road+%0D%0A+Rapid+City,+SD+57702+%0D%0A+Office-605&entry=gmail&source=g>
>
>
>
> <https://maps.google.com/?q=1530+Samco+Road+%0D%0A+Rapid+City,+SD+57702+%0D%0A+Office-605&entry=gmail&source=g>
>
> *Matthew J. Willis, **CWBSP*
>
> *Design Manager /**3-D** Specialist*
>
> *Rapid Fire Protection Inc. <http://rapidfireinc.com/>*
>
> *1530 Samco Road
> <https://maps.google.com/?q=1530+Samco+Road+%0D%0A+Rapid+City,+SD+57702+%0D%0A+Office-605&entry=gmail&source=g>*
>
> *Rapid City, SD 57702
> <https://maps.google.com/?q=1530+Samco+Road+%0D%0A+Rapid+City,+SD+57702+%0D%0A+Office-605&entry=gmail&source=g>*
>
> *Office-605
> <https://maps.google.com/?q=1530+Samco+Road+%0D%0A+Rapid+City,+SD+57702+%0D%0A+Office-605&entry=gmail&source=g>.348.2342*
>
> *Direct Line-605.593.5063*
>
> *Cell-605.391.2733*
>
> *Fax:-605.348.0108*
>
>
>
> [image: cid:image001.png@01D159E8.1A3A2D00]
>
>
>
> *From:* Sprinklerforum <sprinklerforum-boun...@lists.firesprinkler.org> *On
> Behalf Of *Fpdcdesign
> *Sent:* Tuesday, November 13, 2018 8:04 AM
> *To:* Sprinklerforum <sprinklerforum@lists.firesprinkler.org>
> *Subject:* Re: Listed Upright For MRI
>
>
>
> It probably should be a glass bulb sprinkler. Not sure if the solder has
> any magnetic properties
>
>
> Todd G Williams, PE
>
> Fire Protection Design/Consulting
>
> Stonington, CT
>
> 860-535-2080 (ofc)
>
> 860-553-3553 (fax)
>
> 860-608-4559 (cell)
>
>
>
>
> On Nov 13, 2018 at 9:38 AM, <Salvatore Izzo <sizzo...@gmail.com>> wrote:
>
> There is no sprinkler listing requirement for an MRI room.  Just need to
> verify that all components of the sprinkler are made from non-ferrous
> materials, which most sprinklers are as they are commonly made of copper
> alloy (brass, bronze), Belleville washer is typically Be-Ni, etc.
>
> On Tue, Nov 13, 2018 at 9:28 AM Michael Hill <mi...@phoenixfp.net> wrote:
>
> I have a closet located in an MRI room that requires an upright sprinkler.
> I was asked if the upright sprinkler was listed for use in an MRI enclosure
> (like some concealed pendent sprinklers). I have no idea, but I don’t see
> why a standard spray brass upright couldn’t be used in this closet. It is a
> 3T unit. Am I missing something?
>
>
>
> Michael Hill
>
>
>
> Phoenix Fire Protection, Inc.
>
> (301) 669-7066
>
>
>
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