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What are the characteristics of sanitary butterfly valves?
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What are the characteristics of sanitary butterfly valves?

Views:0     Author:Site Editor     Publish Time: 2020-08-21      Origin:Site


Sanitary butterfly valve, also known as sanitary flap valve, is a simple structure of control valve, can be used for low-pressure pipeline medium switch control sanitary butterfly valve refers to the closing part (disc or butterfly plate) as a disc, rotating around the valve shaft to open and close a sanitary butterfly valve. The valve can be used to control the flow of air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive medium. It is mainly used for cutting off and throttling on the pipeline. The opening and closing part of sanitary flap valve is a disc-shaped butterfly plate, which rotates around its own axis in the valve body, so as to achieve the purpose of opening and closing or adjusting. This article will show you the characteristics of sanitary butterfly valves in detail.


Sanitary Three-piece Manual Butterfly Valves With Gripper Handle

 

  • Structure of the sanitary butterfly valves

  • What are the characteristics of the sanitary butterfly valves?

  • The advantages and disadvantages of the butterfly valves 

 

Structure of the sanitary butterfly valves


Sanitary butterfly valve is mainly composed of valve body, stem, butterfly plate and sealing ring. The valve body is cylindrical with short axial length and built-in butterfly plate. Sanitary butterfly valve has small flow resistance when it is fully opened. When it is opened between 15 ° and 70 ° it can control the flow sensitively. Therefore, sanitary butterfly valve is widely used in the field of large diameter regulation.


The sanitary butterfly valve has smaller structure length and overall height, faster opening and closing speed, and good fluid control characteristics. The structure principle of sanitary butterfly valve is most suitable for making large diameter valve. When the sanitary butterfly valve is required to be used for flow control, the most important thing is to correctly select the specification and type of sanitary butterfly valve, so that it can work properly and effectively.

 

What are the characteristics of the sanitary butterfly valves?


1.Sanitary butterfly valve has the characteristics of simple structure, small volume, light weight, low material consumption, small installation size and quick switching. It is used to cut off, connect and adjust the medium in the pipeline, and has good fluid control characteristics and sealing performance.


2. The sanitary butterfly valve can transport mud with minimum liquid accumulation at the pipe mouth. Under low pressure, good sealing can be achieved. Good regulation performance.


3. The streamline design of butterfly plate makes the loss of fluid resistance small, which can be described as an energy-saving product.


4. The valve rod is a through rod structure, which has good comprehensive mechanical properties, corrosion resistance and scratch resistance after quenching and tempering treatment. When the sanitary butterfly valve is opened and closed, the valve rod only rotates and does not move up and down. The packing of the valve rod is not easy to be damaged and the sealing is reliable.

 

The advantages and disadvantages of the butterfly valves


This section will introduce the advantages and disadvantages briefly.


Advantages: Sanitary butterfly valve is not only convenient to open and close, labor-saving, simple structure. Moreover, it has small size and short structure length, which is suitable for large caliber valves.

Disadvantages: Sanitary butterfly valves generally have two limitations. One is that it uses a small range of pressure and working temperature. Second, its sealing is poor.

 

I believe you will have a better understanding about the sanitary butterfly valves after reading this article. 

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