Bolt Length Determination acc. to EN 1092-1

[nikolastrojman]

Hi!

Does anyone know if there is a standard which defines the length of bolts for EN flange connections i.e., flanges acc. to EN 1092-1 for welding neck flanges (Typ 11) for PN25?
I´m looking for something similar like the ASME B16.5 bolt lengths, but maybe such a thing is not standardized in EU!

BR
Nikola

 

[LittleInch]

It doesn't seem like that dimension exists in code terms. It says the manufacturer recommends the length...

e.g.

https://www.wermac.org/din/dim_wn_flg_pn40.html

Says "Hex bolt lengths and diameters and lengths of Stud Bolts are calculated by the author of this website.

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[XL83NL]

https://www.eng-tips.com/viewthread.cfm?qid=330980

Huub
- You never get what you expect, you only get what you inspect.