calculation sits oring

[exxon]

not wrong, but the 12 kg are those that push only on the section of the o-rings.
If you didn't put anything, it's very likely that you might have problems.

 

[papero]

not wrong, but the 12 kg are those that push only on the section of the o-rings.
If you didn't put anything, it's very likely that you might have problems.

So what do you suggest?
anti extrusion? Can I do a sketch of what you mean?
Thank you.

 

[exxon]

So what do you suggest?

I'm sorry I couldn't answer before...
If the crown should not be rotated in dive, you must get a metal-metal line that contrasts the hydrostatic thrust before the crown goes to press where it should not. something like what you drew in #4.