Abstract: A fuel gas valve applicable to natural gas and liquefied petroleum gas including a valve body having a flow channel having a valve opening, an inlet opening, and an outlet opening; a top cover mounted to the valve body and having a mounting hole, a small flame limiting portion, and a large flame limiting portion; a sealing gasket interposed between the valve body and the top cover and having a deformable portion; a regulation device disposed in the mounting hole and including an intermediary member, a pin axle, a spring, a fine adjustment knob, a plug axle unit, and a dual-spring unit; a drive interface including a limiting projection and connected to the intermediary member for driving the regulation device to change a gap between the plug axle unit and the valve opening to regulate the flow rate of fuel gas passing through the valve opening for adjusting a flame.

Abstract: An improved gas valve including a timer includes: a valve body including a direction indicating mark; a timer arranged in an interior of the valve body; a rotary knob connected to the timer and including a protrusion, the rotary knob being provided, in a circumferentially arranged manner, with a closure region, a full opening region at one side of the closure region, and a time counting region at an opposite side of the closure region; a stop device mounted to the valve body, the stop device being subjected to an elastic effect to reciprocally move between a stop position and a passage position in such a way as to be normally set at the stop position as being acted upon by the elastic effect and located on a rotating path of the protrusion of the rotary knob.