Nubbins | Eng-Tips
Mar 27, 2007 · I agree that getting rid of nubbins is the right way to go, although in many cases you will find that the mfg has used the nubbin to reduce the available bolting and you will not have enough …
Tema Type 'R', confined gaskets, and nubbins | Eng-Tips
Dec 1, 2009 · TEMA is referring to outer confinement. Flange facing and joint design are then to ASME. We used to use nubbins with metal jacketed gaskets, (make sure the nubbing is against the "non …
Nubbin on a Body Flange | Eng-Tips
Jun 2, 2016 · 1) Gasket type. Solid metal gaskets (seldom used now) generally require nubbins in order to properly seat the gasket. 2) Cost. Per Appendix 2 of ASME Section VIII Div. 1, machining a nubbin …
Appendix 2 Flange Calculations with Nubbins | Eng-Tips
Nov 5, 2003 · Two existing girth flanges are mated together. One flange has a nubbin 1/64” high and 1/8” wide. The gasket used between the flanges is DJAF iron, that is 1/2” wide. Question: When …
Nubbin | Eng-Tips
Mar 7, 2001 · Can anyone explain what "nubbin" is as used in ASME Section VIII, Div. 1, Appendix 2? Is there another text that provides good examples of a flange that has this component?
Metal jacketed vs Spiral wound gaskets for Heat Exchangers
Jul 7, 2024 · Why metal jacketed gaskets are used in Heat exchanger's' head covers instead of spiral wound gaskets. What is the advantage of double jacketed gaskets over spiral wound in heat …
Inserting Floating Head Bundle into Shell | Eng-Tips
May 27, 2024 · Hello everyone, I have a question about the assembly activites of a heat exchanger which has a floating head tube bundle. Tema type is BES for an example and the length is over 6m. …
Linearized stress on local zone | Eng-Tips
Jan 27, 2015 · It appears to be a sector model of a flange-like structure with nubbins on the inside. I have no idea how this is loaded, supported, where the pressure acts, etc. 1) It is unlikely that you …
Masonry Joint Reinforcement | Eng-Tips
May 16, 2010 · I'm curious what everyone's thoughts are on masonry joint reinforcement. Do you use ladder style or truss style? The truss style is stronger, but crosses the filled cells and may adversely …
How should I qualify a an Autogenous Square Edge Butt Weld?
Feb 15, 2007 · If those are machined parts, cutting off all the material to leave the nubbins may cost more than the price of weld wire. I'd think about plunging a radiused groove in flat parts adjacent to …