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As a kind of pipe fittings, the valve is mainly used to change the passage section of the pipeline and the direction of the medium flow, and controls a mechanical device for conveying the flow volume and pressure of the medium. Specifically,
Electric valve positioners have the following uses:
(1) Gate valves, globe valves, ball valves, plug valves, diaphragm valves, butterfly valves, and other valve products are mainly used to connect or cut off the medium in the pipeline.
(2) Control valves, such as throttling valves, regulating valves, pressure reducing valves, and safety valves, are mainly used to regulate and control the flow and pressure of medium in the pipeline.
(3) Three or more multi-channel valves, such as distribution valves, three-way cocks, three-way or four-way ball valves, are mainly used to change the direction of medium flow and the distribution of branch pipes in pipelines.
(4) Check valves, bottom valves and other one-way valves are mainly used to prevent the back flow of medium in the pipeline.
(5) Steam traps and air traps are mainly used for separating media.
(6) Level indicators (level gauges), level regulators, etc., are used to indicate the level of the reservoir and to adjust the height of the liquid level.
(7) Temperature regulators, pressure regulators and other special valves are mainly used for over-current protection emergency shut-off valves.
The role of the valve;
Valves used in general valves to switch on and shut off the flow of medium in a pipeline account for approximately 80% of the total number of all valve types.
The valve is a control component in the fluid delivery system and has functions such as cut-off, regulation, diversion, reverse flow, pressure regulation, diversion, or pressure relief. Valves used in fluid control systems, ranging from the simplest shut-off valves to various valves used in highly sophisticated automatic control systems, are quite diverse in variety and size.
The use and role of electrical valves
The products of Shanghai Automation Instrumentation Co., Ltd. are the control components in the fluid delivery system and have functions such as cut-off, regulation, diversion, prevention of backflow, pressure regulation, diversion, or pressure relief. Valves used in fluid control systems, ranging from the simplest shut-off valves to various valves used in highly sophisticated automatic control systems, are quite diverse in variety and size.