Scubapro modular tank valves. both left and right handled valves. Plugs are removable so you could add an isolator and make a manifold from them. Valves were removed from a set of LP cylinders and it would appear the burst disc assemblies are compatible with 3000psi rate cylinders. This could always be changed if needing to use them on higher pressure rated cylinders. 200 bar din outlet will accept a DIN insert and work with yoke regulators. 3/4" standard threaded valve for US cylinders.
