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វិច្ឆិកា . 24, 2024 19:43 Back to list

china 3 butterfly valve dimensions



Understanding the Dimensions of China’s 3-Inch Butterfly Valve


Butterfly valves are integral components in various industrial applications, particularly in regulating and controlling the flow of fluids. With their simple design and reliable operation, they have become a preferred choice for many engineers and operators worldwide. In this article, we will delve into the specifics of a commonly used variant the 3-inch butterfly valve manufactured in China, focusing on its dimensions and applications.


What is a Butterfly Valve?


Before discussing the dimensions, let's understand what a butterfly valve is. A butterfly valve consists of a circular disc or vane mounted on a rotating shaft. When the valve is closed, the disc is perpendicular to the flow of fluid, obstructing it. Conversely, when the valve is opened, the disc rotates parallel to the flow, allowing fluid to pass through with minimal resistance. This mechanism is highly efficient, making butterfly valves ideal for applications where quick shut-off, excellent flow control, and space-saving designs are essential.


Key Dimensions of a 3-Inch Butterfly Valve


When it comes to a 3-inch butterfly valve, its size is denoted by the nominal diameter, which is 3 inches (or approximately 76.2 mm). However, there are additional dimensions to consider when selecting the appropriate valve for your application


1. Body Thickness The body of the valve houses its internal components, and for a 3-inch butterfly valve, the body thickness can vary depending on the design and manufacturer. Typically, this measurement ranges from 5 mm to 10 mm.


2. Disc Diameter The disc is the critical element that controls fluid flow. For a 3-inch valve, the disc diameter is often slightly smaller than the nominal diameter, usually around 2.5 to 2.75 inches (approximately 63.5 mm to 69.85 mm), to ensure proper sealing and operation.


china 3 butterfly valve dimensions

china 3 butterfly valve dimensions

3. Length The overall length of a 3-inch butterfly valve is important for installation purposes. On average, a butterfly valve of this size can measure between 6 inches to 8 inches (approximately 152 mm to 203 mm), including flanges.


4. Flange Size and Bolt Pattern Butterfly valves are typically designed with flanges for easy installation. The flange dimensions for a 3-inch valve are contingent on applicable standards, such as ANSI or DIN. For instance, an ANSI 150 flange for a 3-inch valve has a diameter of 4.88 inches (about 124 mm) with a bolt hole pattern that must align with the associated piping.


5. Weight The weight of the valve can also be an essential consideration, affecting handling and installation. A 3-inch butterfly valve generally weighs between 3 to 10 kilograms (approximately 6.6 to 22 pounds), influenced by its material and design.


Common Applications


The 3-inch butterfly valve is widely used across various sectors due to its versatility. Common applications include water treatment plants, HVAC systems, chemical processing, and food and beverage manufacturing. Its ability to handle different types of fluids while providing reliable performance makes it suitable for these environments.


Conclusion


Selecting the right butterfly valve is crucial for ensuring the efficiency and safety of fluid systems. The 3-inch butterfly valve from China, characterized by its nominal diameter and specific dimensions, serves as a vital component in numerous industrial applications. Understanding these dimensions not only aids in the proper selection of the valve but also facilitates seamless installation and optimized performance.


In summary, the dimensions of a 3-inch butterfly valve are pivotal to its functionality and efficiency. When considering a butterfly valve for your next project, always refer to the manufacturer's specifications to ensure compatibility with your system’s requirements. With the right understanding of these dimensions, you can make informed decisions that enhance the reliability of your operations.



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