... control delivery pressure only 1.The primary function of regulator is to reduce the high pressure gas in ... from cylinder to a piece of equipment.2.A regulator is not a flow control device. It is ... Stainless steel, Chrome plated regulators.5.We provide regulator for various gases like Oxygen, Acetylene, LPG, Nitrogen, Hrydrogen, Zero Air, Argon ... cn if have questions. oxygen gas pressure regulator