Threaded valve is a kind of valve, mainly refers to the valve body with internal or external threads, threaded connection with the pipeline. Threaded valves are usually used in low pressure engineering. If it is used on high pressure valve, it is not available, welding valve or flanged valve is needed. Before purchasing and using, please determine the working pressure and medium range of the valve, and then consult the professional valve manufacturer technical department for selection. Threaded valves are divided into Female threaded valves and Male threaded valves