The function of manual control valve
Release time:
2024/09/09
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Manual control valves can manually control the flow and pressure of pipelines.
1、 The function of manual control valve
Manual control valves can manually control the flow and pressure of pipelines. The manual control valve installed in the pipeline can control the liquid flow upstream and downstream of the pipeline by opening or closing the valve. In addition, manual control valves can also prevent pipeline oversaturation and overpressure, thereby ensuring the safety and stability of the pipeline. Manual control valves have the advantages of simple operation, sensitivity, reliability, and easy maintenance, making them widely used in industrial control.
2、 Application scenarios of manual control valves
Manual control valves are widely used in various industries, such as chemical, petroleum, natural gas, power, pharmaceutical, light industry, metallurgy, etc. The following are common usage scenarios for manual control valves:
1. Water treatment and supply system
In water supply and drainage systems, manual control valves are used to regulate water flow and pressure, ensuring water quality and safety.
2. Oil and gas transmission pipelines
Manual control valves can be used to control the flow and pressure in oil and gas pipelines to ensure safe transportation.
3. Chemical process control
In the chemical process, various parameters need to be controlled, and manual control valves can be used to adjust flow and pressure to ensure the stability of chemical substances.
3、 Classification of manual control valves
According to different structures and purposes, manual control valves can be divided into various types:
1. Ball valve
Ball valve is a manually controlled valve with a simple structure. It controls flow by rotating a sphere, is easy to operate, and can withstand high pressure.
2. Gate valve
A gate valve is a manually controlled valve that controls flow through an electric or manual handle. It can be quickly closed, serving to cut off pipelines and control flow.
3. Stop valve
Globe valves are similar to gate valves and are manually operated to control flow. It can be quickly closed and has good sealing performance.
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