1. function reduce the high pressure gas in cylinder or process line to a lower ... function of regulator is to reduce the high pressure gas in cylinder or process line to a lower, usable ... like Oxygen, Acetylene, LPG, Nitrogen, Hrydrogen, Zero Air, Argon, Carbon dioxide, Helium, Nitrous, Clorine, Amonia, Medical oxygen. We also stock all ... dot com dot cn if have questions. oxygen gas pressure regulator