Elliptical Manway
Elliptical Manway
(OP)
Please let me know how to do code calculations for an elliptical manway which is to be fitted to the shell
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS Come Join Us!Are you an
Engineering professional? Join Eng-Tips Forums!
*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail. Posting GuidelinesJobs |
|
RE: Elliptical Manway
Typically, manways are "pressure rated components" i.e. qualified by test.
When an ASME vessel is fabicated, the vendor is responsible to perform calculations on the heads, shell, nozzles etc, However, pressure rated components, such as manways are purchased with a special ASME stamp that verified that it is acceptable for service.
Hope that this helps
MJC
RE: Elliptical Manway
dont we need to do calculations for the rf pad and the opening.
RE: Elliptical Manway
RE: Elliptical Manway
Reinforcement area A=d x tr x F for any direction where
d = opening size in the direction
tr = required thickness of shell,head,..
F = factor for steress diference by directions
Use 1 if you are not sure. See UG-37 for details.
Above formula need to be modified if material's allowable stress are different between shell, nozzle, repad.