I know it's a little late to jump in on this thread, but here goes:
The Code Jurisdiction stops at the first gasket face, if the original national board forms did not include the cover in the report then no break-out spool section would be required.
Still you can't proceed without a blessing
db80,
If this is your first attempt at rectangular flanges there are somethings to consider when designing rectangular chamber flanges that are to be used with rectangular covers.
Box flange distortion due to welding in the long sides of the rectangles can be considerable. It sometimes pays...
UKBASE,
The allowance for thin-out will depend on the material of construction for the spun heads. In general the more expensive the material, the more time and effort the head spinner can afford to put into the proccess and Q.A. of the heads.
Case in point: I have some on order at Brand X...
CadLady & VDK44,
I have seen this done for small units:
Drill tube holes through blocks
Fly-cut "chamber" with overlapping circles so that a Tubeside chamber is formed.
The Triangular Islands that remain are calculated as stays (with an appropriate eff. factor) that connect the...
Hi all,
I am looking for a forging vendor who can produce the following:
44" Dia. x 11 " OAH "cup" shape
5" thick Bottom
2-1/4" thick (min.) wall
Material: AL6XN
We have been making this configuration in a weldment with a radial penetration weld attaching cylinder...