If you use 300 bar valves, to, these are a good deal sturdy, better
impact resistance, the material thickness at the threads is greater, so
if the bottle tops over without reg, less damage  from out of shape (
oval ) threads
A 300 bar manifold screw will not offer much in a 200 bar valve.
-Matthias



Tom Walek schrieb:
> 
> I have read previous posts on manifold preferences. I would like to
> know preferences for 300 vs 200 Bar manifolds. All would use DIN for
> backgas but since the seal is really from the O-ring does it really
> make a reliability difference?
> 
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