... Medium:natural gas,manufactured gas ,LPG etc. DescriptionRX series voltage regulator have all kinds of model,such as City Gate Station, district ... for user selection reference. Applicable mediumnatural gas,town gas,LPG and other non-corrosive gasCharacteristics1. set pressure regulating, filtration, ultra (lost) cut ... ability6. can be unattended, just periodically check city gate gas regulator station