1. function reduce the high pressure gas in cylinder or process line to a lower 2 ... primary function of regulator is to reduce the high pressure gas in cylinder or process line to a lower, usable ... .5.We provide regulator for various gases like Oxygen, Acetylene, LPG, Nitrogen, Hrydrogen, Zero Air, Argon, Carbon dioxide, Helium, Nitrous ... dot com dot cn if have questions. oxygen gas pressure regulator