Features:
1.Pressure: 0.8-3kpa maximum allowable pressure 10kpa
2.This patent applies to gas stoves which can use artificial gas, natural gas, and liquefied petroleum gas.
3.Burning time can be set freely (within 1.5 hours or 2 hours), the valve automatically closes when gas is off.
4.Timing valves do not need electricity, more safely and easy used.
5.In the same circumstances can save gas 15%.