Automatic Changeover Valve Cum Regulator is a device which is used to regulate the supply of the gas. It can automatically adjust the supply of the gas from source to user end. It is basically used in the commercial purpose where there is require more gas supply and in a regular mode. The device is designed in a subsequent manner which can automatically handle the in-late and out-late gas flow. It can also change the flow of gas in different direction as per requirement.