Advantages of shut-off valves
c. Small opening height, generally only 1/4 of the diameter of the valve seat channel, compact structure, saving installation controls.
Disadvantages of shut-off valves
c. Large flow resistance. The Media channel inside the valve is more tortuous, with flow resistance, and power consumption, especially in the hydraulic device, this pressure loss is particularly obvious. In all types of cut-off valves, the valve flow resistance Z is large.
d. The media flow direction is restricted. Media flow through the shut-off valve, at the valve seat channel can only be from the bottom up or down, so the media can only flow in one direction, and can not change the direction of flow.
