... 5)Overpressure Protect 1 RTJ-GQ pressure regulator with cut off fuction1.1 The outside drawing ... for high pressure, city gate station, District regulator station, industrial user, Gas supply systems for ... with the relative standard and rules 2 Our products 2.1 It's used in the pressure regulator ... Gas pipeline network, city gate station, District regulator station, industrial user, Gas supply systems for ...