Dewayne, I believe the table is referring to orifice size, not thread size. Yes an 8K is 17/32” orifice.
NFPA 13 (2013) Table A.6.2.3.1 outlines orifice size based on K-factor. Thanks, Sean VG From: Sprinklerforum [mailto:[email protected]] On Behalf Of Dewayne Martinez Sent: Monday, September 12, 2016 6:59 AM To: [email protected] Subject: 17/32" in-rack sprinkler When the table calls for ½” in-rack sprinklers at 30psi and 17/32” at 15psi can I use ¾” k=8.0 for the 17/32”? Thanks, Dewayne
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