Bronze globe valve is closed parts （valve） moves along the centerline of the valve seat. According to this form of valve, valve seat and port change is proportional valve stroke. As such the valve stem to open or close the relatively short trip, but also has a very reliable cut-off function, and because changes in the valve seat and the valve port valve stroke proportional relationship is very suitable for the regulation of traffic. Therefore, this type of valve is suitable for cutting or adjustment, and throttling