Posted by DAVE MAC DOUGALL (18.104.22.168) on December 13, 2002 at 11:12:25:
In Reply to: Re: PIPE FLANGES posted by John Andrews on December 03, 2002 at 10:57:57:
So a 400 lb flange is rated for 400 psi?
: : I HAVE A QUESTION. SOME TIMES PIPE FLANGES ARE REFERRED TO IN THE FOLLOWING TERM i.e. 400LB FLANGE. 300LB FLANGE, ETC. WHAT IS THE SIGNIFICANCE OF THE TERM Xlb FLANGE.
: Flanges are categorized by size, type (loose, integral, weld-neck etc.) and pressure rating. The lb designation in the US designation for pressure rating. A larger lb rating means a larger allowable pressure rating.
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