Domestic LPG Gas Regulator is designed for avoiding chances of leakage of gas in the equipments. This type of regulator is ideal to be utilized for regulating pressure generated inside the cylinders valves. Also, it allows easy calibration because of its perfect cutting threads at end and perfect design. In order to ensure defect-free design, it is examined properly on the basis of strength, pressure protection, and maintenance. The adjusting knob is given in the Domestic LPG Gas Regulator to control gas injection.