Stu type one-way throttle valve is a common flow regulating device, usually Used to regulate the flow and pressure of fluid media. It consists of one rotatable A rotating adjusting core is composed of a fixed throttling ring. Adjusting core and The gap between the throttling rings can be adjusted to control the flow of the fluid Quantity and pressure.Stu throttle valve is suitable for small flow and small pressure difference fluid In the pipeline. Its advantages include: simple structure, convenient use,Wide flow range, high accuracy, good reliability, long life, etc.