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As I understood, the hub thickness shall be determined as a pipe under internal pressure (for example using the formula of ASME B31 oder ASME Section VIII). The material will be the flange material. I'am thankful if someone can tell me the meaning or the background of the equation...

Thank you saplanti. Regards aaloui

Hi, for high rating and/or large size flanges in ASME B 16.5 the bore diameter (Dimension B) is not specified in the dimensions tables. It's stated there that this is to be specified by the purchaser. My question is, how to specify this dimension such that the flange will "still" conform to the...

Hello, does any one have an idea how to model an eccentric reducer as areas (hollow eccentric cone) in ANSYS APDL. Thank you

Hello, can some one explain the technical background behind the thicknesses tb1, tb2 and tb3 (Table UG-45). If the opening is adequately reinforced and the nozzle neck is checked for UG-22 loadings in determining ta thickness so for what are the thicknesses tb1, tb2 and tb3? Thank you Ali

I have another question more or less in the same field (gasket and bolted flanges etc..). Since I found your answers convincing, I want to post it again here: Hi, does any one have an explication for the expression of HG in 24-3 of Appendix 24, ASME VIII Div. 1? Actually I don't understand why...

Thank you marty007 and BJI for the answers. I got the point. Ali

Thank you for your answer, I know already what do Hp and H mean, my question was about the logic behind the formula. Ali

Hi David, thank you for your answer. Actually Wm1 is only the minimum required bolt load at operating condition, in many cases you have to preload the bolt more than required by wm1, for example if wm2>wm1 and/or the available bolt area is larger than required by wm1 and/or by wm2. In those...

Hi, I would like to know your opinion about the expression of the gasket load at operating condition termed HG in the appendix 2 of ASME BPVC VIII-1. There, it is defined as Wm1-H=H+Hp-H=Hp, means the required gasket load at operating condition, only the required. The problem is that W can be...

Hi, does any one have an explication for the expression of HG in 24-3 of Appendix 24, ASME VIII Div. 1? Actually I don't understand why the term Hp is being subtracted there, I expect only H to be subtracted as the gasket get unloaded by the force H as the pressure is applied (in analogy to the...

Hi Mohammed, this is simply the formula of the equivalent stress or stress intensity acc. to Tresca (shear stress theory). Here are just the moments considered, namely bending and torsional moments, stresses caused by direct forces are neglected, nevertheless you can add the longitudinal...

Hi, first i thank ev. body for support. I found out the problem, when i put format(3F10.3) which is equivalent to put format(F10.3,F10.3,F10.3) then the 3 variables have to be input in the same form as the Format so A,B,C together and then i have to press enter, when i put Format(F10.3) then i...

Hi, i just started learning Fortran 77 language, (i have already some programming knowledge in C and Pascal but i need to learn fortran 77 for use in other programm which is based on this language). So i started learning it using a book called "Fortran 77 and numerical methods by C Xavier"...

thank you v. much.

Hello every body, i m using caesar2 and in relation to this but also in general i wanted to ask what is the difference btween a butt weld Tee and a welding Tee (i m totally new in this domain), thank you for any help.

thank you very much "C2it (Petroleum)" for the answers , it looks like logic , i thought also about it .

hi every body, Reason of the Classification of stresses in the convential combinations given by ASME 31.3 as well as by EN 13480-3 for the comparison with the respective allowed material stresses . That combinations are the following : Stresses due to sustained and expansions loads Stresses...