Re: What is CLASS in CLASS 150.......

From: <sathish>
Date: Sat May 08 2004 - 02:43:00 EDT

Hi
I am sathish working in a boiler company I will tell what i have learnt Yes you are wright this flange ( class 150 ) @ 100 oF can be used upto a pressure of 285 Psi if the working pressure is more a higher class should be selected for the same temperature
bye
sathish
GET Mithapur <getuser@tatachemicals.com> wrote: To all Piping Engg.
I would like to know what does Class denote in Class 150 Flange rating. On referring ANSI B16.5, Table 2, for Class 150, Mat. Grp. 1.1, Temp. 100F, the pressure rating is 285psi.
Then, does it mean that a class 150 flange for that particular group of materials can be utilized upto a pressure of 285 psi. I am a fresher who has just joined a Chemical Manufacturing company. Do clarify this doubt. And also how the term Class came into existence. Regards.

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[Non-text portions of this message have been removed] Received on Sat May 08 02:43:00 2004