NFPA 13 (2016) Table 23.4.4.8.1 has it as 150 along with copper tube and brass.
Dale F. Wingard, SET Designer Commercial/Marine Division NICET IV #76284 Water-based Systems Hiller Systems A Division of The Hiller Companies, Inc. 3751 Joy Springs Drive Mobile, AL 36693 o: 251.661.1275 ext. 10145 HillerFire.com [Macintosh HD:Users:andrechiang:Dropbox:Emily's Files:Hiller:Email Signature:Hiller100 Email Signatures 2019-01-10:Hiller100 Email Signatures V1 2019-01-10 - Systems.png] Protecting life and property since 1919 From: Sprinklerforum <[email protected]> On Behalf Of Paul Cetani via Sprinklerforum Sent: Tuesday, January 7, 2020 2:20 PM To: [email protected] Cc: Paul Cetani <[email protected]> Subject: SS Pipe penetration into anechoic chamber friction loss Happy new year sprinkler guru's, I have attached a picture of a fabricated 1½" stainless steel pipe penetration that we are supposed to connect our sprinkler drops to (on the roof of) an Anechoic Chamber. The client also wants flexible drops. Without addressing the "listing" of this component, I am looking for a "C" factor for this. I have contacted the manufacturer (German company) but they do not have any friction loss data. Have any of you dealt with this before? Thanks in advance for your input. Paul B. Cetani Nor Cal Fire, Inc. [email protected]<mailto:[email protected]>
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