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What Is Definition of the Industrial Valve

What Is Definition of the Industrial Valve

In modern industrial production, fluid control is a crucial part. As the core equipment of fluid control, industrial valves are of great importance. As a professional industrial valve manufacturer, we understand the key role of industrial valves in industrial production, and are committed to providing customers with high-quality, high-performance industrial valve products. Next, we will be from a professional point of view, a detailed introduction to the definition of industrial valves, classification, working principle and application areas.

Ⅰ. The definition of industrial valves.

Industrial valve, is a kind of installation in the pipeline, used to control the fluid (including liquid, gas, steam, etc.) flow, pressure, temperature and other parameters of the device. It realizes the control of fluid flow by changing the cross-sectional area of the fluid channel. Industrial valves have a pivotal position in industrial production, widely used in chemical industry, petroleum, natural gas, electric power, metallurgy, pharmaceuticals, food and other fields.

Ⅱ. The classification of industrial valves.

There are many kinds of industrial valves, according to different classification standards, they can be divided into the following categories:

1. Categorized by structure.

(1) Globe valve: globe valve is one of the most common industrial valves, mainly used to cut off or connect the fluid in the pipeline. It uses the valve flap to move between the valve seats to control the passage of fluid. Globe valve structure is simple, good sealing, suitable for a variety of fluid media.

(2) Control valve: control valves are mainly used to adjust the flow of fluids in the pipeline, pressure and other parameters. It is by changing the gap between the valve and the valve seat, to achieve precise control of fluid flow. Control valves are widely used in the need to accurately control the fluid parameters of the occasion.

(3) Safety valve: safety valve is a kind of protection equipment, when the pressure in the pipeline or equipment exceeds the set value, the safety valve will automatically open to release part of the fluid and reduce the pressure to prevent the pipeline or equipment rupture. Safety valves have an important role in high-pressure, high-temperature and other dangerous occasions.

(4) Ball valve: ball valves use the ball to rotate between the valve seat to control the fluid on and off. Ball valves have the advantages of rapid switching, low fluid resistance, good sealing, etc., applicable to the need for frequent opening and closing occasions.

(5) Butterfly valve: butterfly valve using the butterfly plate in the valve seat between the rotation to control the fluid on and off. Butterfly valve structure is compact, small size, suitable for large caliber, low differential pressure occasions.

2. According to the driving method classification.

(1) Manual valve: manual valve by manual operation of the handle, handwheel and other institutions to control the valve open and close. Manual valves are suitable for the fluid control precision requirements are not high, the frequency of operation is low.

(2) Electric valve: electric valve through the motor drive valve stem or actuator to control the valve opening and closing. Motorized valves have the advantages of easy operation and high control accuracy, suitable for remote control and automation control occasions.

(3) Pneumatic valve: pneumatic valve using compressed air to drive the actuator to control the valve opening and closing. Pneumatic valves have the advantages of rapid action, simple structure, applicable to the need for rapid response occasions.

(4) Pneumatic valve: pneumatic valve using liquid (such as hydraulic oil) to drive the actuator to control the valve opening and closing. Pneumatic valve has the advantages of large driving force, smooth action, applicable to the need for large driving force and stable action of the occasion.

Ⅲ. The working principle of industrial valves.

The working principle of industrial valves is mainly the use of valve flap (or ball, butterfly plate, etc.) in the relative position between the valve seat changes to change the cross-sectional area of the fluid channel, so as to achieve the control of fluid flow, pressure and other parameters. When the valve flap is closed, the fluid channel is truncated, the fluid can not flow; when the valve flap is open, the fluid channel is open, the fluid can flow. By adjusting the opening degree of the valve flap, the precise control of fluid flow can be realized.

 

Ⅳ. The application of industrial valves.

Industrial valves are widely used in fluid control systems in various fields, such as chemical industry, petroleum, natural gas, electric power, metallurgy, pharmaceuticals, food and so on. In the field of chemical industry, industrial valves are used to control the flow of various chemical media, pressure and other parameters to ensure the stability and safety of the chemical production process; in the field of oil and natural gas, industrial valves are used for oil and gas mining, transportation and storage process fluid control; in the field of electric power, industrial valves are used to control the boiler, turbine and other equipment, fluid parameters, to ensure that the normal operation of power production.

In short, industrial valves as the core equipment for fluid control play an irreplaceable role in modern industrial production. As a professional manufacturer of industrial valves, we will continue to devote ourselves to technological innovation and product upgrading to provide customers with more high-quality, efficient and reliable industrial valve products.

 

 

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