... Medium:natural gas,town gas ,LPG etc. DescriptionRX series voltage regulator have all kinds of model,such as City Gate Station, district regulator ... process layout, only for user selection reference. Applicable mediumnatural gas,town gas,LPG and other non-corrosive gasCharacteristics1. set pressure regulating, ... , anti-corrosion ability6. can be unattended, just periodically check natural gas station