Abstract: A gas valve for a gas stove, comprising a valve housing, wherein the valve housing has a gas inlet and a gas outlet, and a gas regulating unit, wherein the gas regulating unit has a cylindrical outer surface, wherein the gas regulating unit is rotatable supported in the valve housing by means of the outer surface, wherein the gas regulating unit has a plurality of gas outlet openings, wherein the gas regulating unit is rotatable into a plurality of flame positions, wherein each gas outlet opening is assigned to one determined flame position, wherein in each flame position the gas inlet is connected to the gas outlet by means of the gas outlet opening which is assigned to the one determined flame position, and wherein the gas outlet openings have cross-sectional areas which differ from each other in order to achieve different flow rates of gas through the gas valve in the individual flame positions.