Gas Pressure Regulator is made to lessen the level of high-pressure gas and brings it to the usable level. It can also hold out its pressure within a provided gas delivery system. It is not a flow control device, as it controls the delivery pressure. The said device is engineered to maintain the invariant output pressure. It performs its task, regardless of the differences made in the output flow and input pressure. Gas Pressure Regulator is a simple and multi-stage pressure regulating solution.