Liquefied petroleum gas cylinder valve with flow limiter

The liquefied petroleum gas cylinder valve comprises a valve body, a hand wheel is installed at the upper end of the valve body, a gas inlet channel is formed in the lower end of the valve body, a gas outlet channel is formed in one side of the middle of the valve body, a valve assembly used for blocking an opening in the upper end of the gas inlet channel is installed in the upper end of the valve body, and the upper end of the valve assembly is connected with the lower end of the hand wheel. The lower end of the air inlet channel is connected with a flow limiter; the outer walls of the left side and the right side of the upper end of the air outlet pipe are each provided with a telescopic ball, a circle of protruding blocks are evenly distributed on the inner wall of the lower end of the air inlet channel, a groove is formed between every two adjacent protruding blocks, the upper end of the air outlet pipe stretches into the lower end of the air inlet channel, the two balls are clamped into the two grooves,