NPS 22 is a non standard size, for butterfly valve. It is not covered by
API or MSS SP standards.
See http://www.amrivalves.com/PDF/ISORIA_16.pdf for a valve dim.
You can have NPS 22 flange dim from MSS SP 44.
Can you not go for a local reduction to NPS 20?
Sajit
Save a tree...please don't print this e-mail unless you really need to. Received on Mon Dec 10 09:08:00 2007
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