Introduction to Butterfly Valves

A butterfly valve’s function is to control the flow of liquid through a tube or pipe. The most common types of materials are liquid, steam and gas. These units can also pass some dry materials. We will be discussing the various components and their uses in this article. Continue reading to learn more about butterfly valves(which is also known as” วาล์วผีเสื้อ ” in the Thai language).

You should choose the correct model valve based on your application.


The valve body is made from different metals like stainless steel, carbon, aluminium, ductile iron, cast iron, exotic metals and others. These units are available in both lug and wafer styles. These units are installed between pipe flanges.

15 Best Triple Offset Butterfly Valve Manufacturers - Huamei
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The resilient seated type is another common type. These units have a special elastomer seating that is lined inside the body. These seats are typically made from white neoprene or white buna, carbon and natural rubber. The material you choose will depend on the pressures and temperatures.


The disc is responsible for controlling the material flow in the conveying lines. The application also influences the choice of the disc material. The most common materials are ductile, nickel-plated and epoxy coated ductile iron (or aluminium), and stainless steel.

Butterfly valves can be used for many applications such as liquid, steam and gas. These units can be used to move materials that have been displaced by the disc. These units can be dangerous if used in an abrasive, semi-abrasive, or other aggressive application.