REDUCER THICKNESS
REDUCER THICKNESS
(OP)
Help! I am using a 6" x 8" XS WT Reducer as a transition component in a vessel. Since the large end & small end have different wall thicknesses(0.5" & 0.432" respectively), I am wondering if the transition part thickness takes thicker one or varies between these two thicknesses. ASME B16.9 doesn't specify the wall thickness of a reducer. In this case the thinner thickness is not sufficient for the code calculation.If anyone knows the answer or knows the contact information of the manufacturers, please let me know. Thanks in advance!





RE: REDUCER THICKNESS
At one time you could purchase a reducer with uniform wall thickness but I don't find them any more.
A quick work around would be to buy a heavier wall reducer and taper the ends to match the corresponding wall.
Come back with a litte more design information as the loss of a fat 1/16" is cutting a design pretty close.
RE: REDUCER THICKNESS
The required design thickness for the reducer is 0.3829", while 6" XS pipe minimum thickness is 0.432" x 0.875 = 0.378". The two ends connect with both XS 6" & 8" pipes.
Thanks again.
RE: REDUCER THICKNESS
There are several ways to make transition for pipe wall thicknesses. I can’t say what’s allowed as I don’t have an up to date code.
RE: REDUCER THICKNESS
I don't know what you are worried/concerned about. If a 6"nb Sch XS pipe will withstand the design conditions and the 8"nb Sch XS pipe will withstand the design conditions then the 8" x 6" Sch XS reducer will withstand the design conditions without the need to know the transition thickness as its to B16.9. The ends will be the correct thickness to match the 6" and 8" relative thicknesses. So where's the problem?