... in spaceflight electrolysis instrument. While electrolyzing, water is separated into H2 and O2. It is safety to operate, has flow and ... Gas is produced on demand. There are two choice for H2 output pressure (4bar and 6bar). Could meet different customers requirement ... steel made purifier, has deoxidizer inside ( no need to activation), H2 output purity is higher; inside machine use silicon rubber ring ...