Classification and use of valves

(1) shut-off valve: shut-off valve, also known as closed-circuit valve, its role is to connect or cut off the medium in the pipeline. Cut-off valves include gate valves, globe valves, plug valves, ball valves, butterfly valves and diaphragm, etc.
(2) check valve: check valve called check valve or check valve, its role is to prevent the backflow of the medium in the pipeline. Water pump suction off the bottom valve also belongs to the check valve category.
(3) safety valve: the role of safety valves is to prevent the pipeline or device in the medium pressure exceeds the specified value, so as to achieve the purpose of safety protection.
(4) regulating valves: regulating valves include regulating valves, throttling valves and pressure reducing valves, whose role is to regulate the pressure of the medium, flow and other parameters.
(5) diverter valves: diverter valves include a variety of distribution valves and traps, etc., whose role is to distribute, separate or mix the media in the pipeline.