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Butterfly valve introduction

Views: 9     Author: Site Editor     Publish Time: 2022-12-09      Origin: Site

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Butterfly valve structure introduction

A butterfly valve is a type of quarter-turn valve that uses a disc-shaped rotary motion to open and close. It is named after the butterfly-shaped disc that rotates within the valve body to control the flow of liquid or gas through the valve. Butterfly valves are often used in pipelines to control the flow of fluid and are a popular choice due to their low cost, low maintenance, and ease of use.

Butterfly valve material selection

Butterfly valves are available in a variety of materials, including metal, plastic, and rubber. The type of material used depends on the specific application and the properties of the fluid that will be flowing through the valve. For example, metal butterfly valves are often used in high-pressure or high-temperature applications, while plastic butterfly valves are suitable for low-pressure or low-temperature applications.

Advantages of Butterfly Valves

One of the main advantages of butterfly valves is their compact size. Because the disc rotates within the valve body, there is no need for the valve to have a large, linear movement like other types of valves. This allows butterfly valves to be much smaller and more lightweight than other types of valves, making them ideal for use in tight spaces or in applications where weight is a concern.

Butterfly valve application

Butterfly valves are also very versatile and can be used in a wide range of applications. They are commonly used in pipelines to control the flow of water, oil, gas, and other fluids. They are also often used in HVAC systems to control the flow of air, and in the food and beverage industry to control the flow of liquids and gases.

Butterfly valve operation mode

Butterfly valves can be manual or automated. Manual butterfly valves are operated by hand using a lever or wheel, while automated butterfly valves are controlled by an actuator, such as a motor or pneumatic cylinder. Automated butterfly valves are often used in applications where the flow of fluid needs to be controlled remotely or automatically.

Disadvantages of butterfly valve

One of the main disadvantages of butterfly valves is that they are not as reliable as other types of valves in applications where high pressure or high temperature is involved. Because the disc is relatively thin and lightweight, it can deform or fail under high pressure or high temperature. In such cases, a more robust type of valve, such as a ball valve or gate valve, may be a better choice.

Despite this disadvantage, butterfly valves are still widely used in a variety of applications due to their low cost, versatility, and ease of use. They are an essential component in many pipelines and HVAC systems, and will continue to be a popular choice for controlling the flow of fluids.


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