... )Patent product 5)Overpressure Protect 1 RTJ-GQ pressure regulator with cut off fuction1.1 The outside drawing 1. ... adjust precision, sensitive action, good performance of close, with Overpressure automatic cut off function, valve position indication3 Install ... , buildings, medium and low pressure small direct-fired machine etc.2.4 Pressure regulator cabinets and device (used in residential quarter, ...