ASME PTC 19.3 Thermowell Calculation of Taper Ratio

Thermowell can be tapered or straight .
This criteria is defined in ASME PTC 19.3 Which defines the taper ratio and the limits that we can use for taper ratio calculation.
the criteria is to keep the taper ratio between 0.58 to 1.
Also, You can download the FREE E-book on PIP engineering standards from the link below
www.asad-shaikh.com/newslette...

[@AsadPassionateEngineer]

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[@rikgto9351]

Thanks Asad, what is the software used to do the calculations? I understand a damaged Thermowell can damage equipment downstream as well as, understandably other major issues

[@informationproject9499]

Superb information.. thanks...I have questions about thermowell ..how to select stright, tappered,step type and shap size and insertions lenth .any more calculation in thermowell.??? Interviewers akses calculetion of thermowell.

[@ankurbhatnagar4459]

Nice Asad..

[@AsadPassionateEngineer]

Thank you so much @Ankur 😊

[@ahmedsaidi8852]

Thanks à lot asad

[@AsadPassionateEngineer]

Most welcome ☺️

[@karthikraj7602]

Hi my Taper ratio is 0.65 is that ok... Because in my past project they are following 32/21

[@pavanmamtora902]

Thanks Asad for video.
Can you explain where should we consider straight or tapered thermowell?

[@AsadPassionateEngineer]

Most welcome 😃.
Good question !!
One of the basis to decide this is the client Design basis.
However, in our industry the most widely used thermowell is tapered TWs.
Like a similar example is that of thermowell connection, usually we have flanged thermowell but for certain special cases we could go for welded design but this depends on client preference.
This is as per best of my current understanding.
Hope some engineers can shed more light on to this subject 🙂

[@Poonamshivansh6095]

amazing

[@AsadPassionateEngineer]

Glad to know you found it helpful 😊

[@abdessamedghettas7167]

Thanks

[@AsadPassionateEngineer]

Most welcome 😊

[@pratapdeshmukh2173]

Hi Sir,
Can u make a video on thermowell calculation?

[@AsadPassionateEngineer]

Yes sure Pratap 😊

[@vikasgrower7493]

This is slightly lengthy

[@AsadPassionateEngineer]

I agree, In current videos have improved on the time duration .
thanks for your kind feedback !!🙂