What Is Serration on Flange Face ?? smooth and serrated flange face

[@AHMEDALI-rq7jg]

Useful information, thank you for your work.

[@ssaihtc8922]

Thanks for sharing ☺️

[@KrishnaKumar-zt9es]

Dear sir, it was very informative. i have a doubt sir, whether a flat face flange requires serration ? 44 " flat face flange ?

[@arahimikh6382]

is it possible to use spiral gasket on non metallic flange?

[@Mx_204]

And there is a semi metalic gasket that we can use in serrated flange

[@XYZ-lw1gu]

its not useful info. Wahat about flange classification

[@pranjalvats3787]

tru h