... Pressure LevelSG5Operating Temperature(°C)-20~+60Nominal Diameter(mm)25ConnectionFlangeMaterialCast steel, SSExecutive StandardRefer to CJ274-2008 «Town gas pressure ... and production together. Our main products include pressure regulator, steel flange, Stop Valve, ball valve, Filter, insulating joint, ... for more than five decades. Please let me know how we can work together and do business for mutual ...