I believe the DN is Diameter Nominal. 300 DN (metric) is 300 MM which is a 12" NPS (Nominal Pipe Size - inches)
Reed A. Roisum Fire Protection Technician NICET Level III Ulteig Engineers, Inc. 3350 38th Avenue South Fargo, ND 58104-7079 Direct Number: 701.280.8580 Mobile: 701.212.8810 Main Office: 701.280.8500 -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Greg McGahan Sent: Thursday, April 17, 2008 4:40 PM To: [email protected] Subject: fitting rating Does anyone know what "300 DN" means on a CI flanged fitting? OR what the max working pressure is on a 150 lb class flanged CI fitting? Thank you, Greg McGahan Living Water Fire Protection, LLC 1160 McKenzie Road Cantonment, FL 32533 850-937-1850 Fax: 850-937-1852 _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
