Does anyone have any experience/knowledge about using a free machining stainless steel such as 303SE (aka UNS 30323) for a pressure fitting (i.e. a check valve).
It's for pressurized liquid, up to 6000 psi.
The check valve I'm looking at is currently made from 304 SS and production wants to...
Are washers are allowed between the nut and flange of a bolted, flanged connection?
I can't find anything in ASME B16.5 except one clause (6.6) that says the bolt bearing surfaces must be parallel within 1 deg. And I searched the forum without success.
Also, if washers are allowed, what...