... of equipment.2.A regulator is not a flow control device. It is used to control delivery ... plated regulators.5.We provide regulator for various gases like Oxygen, Acetylene, LPG, Nitrogen, Hrydrogen, Zero Air, Argon ... , Carbon dioxide, Helium, Nitrous, Clorine, Amonia, Medical oxygen. We also stock all spares of regulators. Pls contact ... com dot cn if have questions. oxygen gas pressure regulator