Pressure Number - CR4 Discussion Thread

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plutonium Active Contributor Join Date: Dec 2009 Posts: 15	Pressure Number 12/06/2009 2:41 AM
	is there such thing as PN300? if so, please provide equivalent for ANSI. thanks.
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josej Power-User Join Date: Mar 2008 Location: Mumbai Posts: 250 Good Answers: 2	#1 Re: Pressure Number 12/06/2009 4:22 AM
	http://cr4.globalspec.com/thread/21310/PN-numbers-vs-valve-class-in-asme-standard
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Abdel Halim Galala Guru Join Date: Feb 2007 Location: Cairo, Egypt Posts: 1733 Good Answers: 248	#2 Re: Pressure Number 12/06/2009 10:56 PM
	• PN = Pressure Number = Class = Rating (of flanges and flanged fittings) • See CR4 Thread: PN numbers vs. valve class in asme standard. • Also, see the following file: ASME_Flanges_Class (PN)_&_NPS (DN). __________________ It is better to be defeated on principles, than to win on lies!
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