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[Chemical Knowledge]：Globe valve working principle and application scenarios

Read： 366 Time：14months ago Source：Transform the World with Simplicity

The working principle
of the 1. cut-off valve The
cut-off valve is a mechanical device that controls the flow and pressure of the pipeline fluid by rotating the valve. The valve can be rotated 90 degrees or more to open or close the pipe. Stop valve generally uses the principle of check valve, that is, by the valve structure itself, through the reaction of pressure to achieve the fluid cut-off and open, while the fluid can be adjusted.

2. globe valve type

1. ball valve: ball valve by the ball, stem, valve seat and handle, etc., the ball rotates 90 degrees, the valve can be opened or closed. Ball valve has the advantages of simple structure, flexible switch, widely used in water, gas, oil and other media pipeline.

2. Butterfly valve: Butterfly valve structure is simple, easy to open and close, easy to operate, widely used in low pressure, high temperature, large diameter pipe cut-off, regulating fluid.

3. hydraulic control valve: hydraulic control valve is the use of pipeline fluid hydrodynamic action to control the valve of a device, suitable for water irrigation, water treatment and other small flow valve control.
The application scenario of the
3. stop valve

1. Tap water pipeline: In the tap water system, the stop valve is widely used to control the water flow and protect the safety of the pipeline.

2. Petrochemical industry: In oil and gas transportation, the stop valve can control the transportation flow and adjust the pressure of the medium, and at the same time play a role in protecting the safety of the pipeline.

3. Power generation equipment: In power stations, shut-off valves are used to control thermal and water systems and maintain the normal operation of equipment.

4. Food factory: In food manufacturing, the stop valve can control the flow of liquid and gas to ensure the qualified products.

This article introduces the working principle, types and application scenarios of the globe valve. The globe valve plays a vital role in the industry. It can not only control the flow and pressure of the pipeline, but also maintain the safety of the pipeline. Different types of cut-off valves are suitable for different scenarios, and the appropriate cut-off valve can be selected for application according to the actual situation.