High-pressure pressure gauge for acetylene pressure regulator is a precision device used to measure and monitor acetylene pressure in welding systems. It is designed to provide an accurate reading of high-pressure gas pressure, which is crucial for safety and efficiency in gas welding and cutting operations. The pressure gauge is used in conjunction with a pressure regulator, allowing the welder to control and adjust the pressure level in the system. Thus, it ensures the proper working conditions necessary for the proper operation of the welding torch and other gas tools.