claymore
Contributor
The older 3500 psi/300 bar HP tanks had 300bar DIN valves on them. The newer HP tanks, 3442 psi/232 bar, tanks come with PRO Valves that can be used with either DIN or most modern Yoke 1st stages. The older 300 bar tanks also have a different tank neck thread than the 232 bar valves and tanks.
