A Comprehensive Overview of Butterfly Valve Types and Designs

A Comprehensive Overview of Butterfly Valve Types and Designs

By Qingdao fluido Industrial Co., Ltd--Mar 14th.2024

Design Of the Butterfly Valve

A butterfly valve is a type of quarter-turn valve that is used to control the flow of a fluid in a pipeline. This consists of a disc that attaches to a spinning axis. When the valve is in the closed position, the disc is perpendicular to the flow of the fluid, blocking it from passing through. When the valve is set to the open state, the disc aligns with the flow, permitting the fluid to traverse through.

CLOSED

OPEN

Types Of Butterfly Valves

There are different types of butterfly valves, like the single offset ,double offset or triple offset,  and eccentric butterfly valves. Triple offset design is to provide a bubble-tight seal at high pressures and temperatures. The metal seat is not in the middle of the valve disc. Rriple offset butterfly valve helps the valve last longer by reducing wear.

Double-offset butterfly valves are similar to triple-offset valves, but they are designed for high-performance applications. They have a resilient seat that provides a bubble-tight seal at high pressures and temperatures. Double offset valves are commonly used in industries such as oil and gas, chemical processing, and power generation.

Connection Types Of Butterfly Valves

Lug-style butterfly valves are another type of high-performance butterfly valve. They have lugs with bolt holes on the valve body that allow them to be bolted to pipe flanges and connect to pipeline, providing a secure connection. Lug-style valves are often used in applications where the valve needs to be removed for maintenance or repair.

Wafer butterfly valves are a variant of butterfly valve engineered to be positioned between two flanges. They are lightweight and compact, making them easy to install and maintain. People frequently use wafer valves in HVAC systems, water purification facilities, and various industrial uses.

A flange type butterfly valve is a type of valve that is designed to be connected to a pipeline using flanges. This type of valve has a flanged body that allows for easy installation and removal from the pipeline. Flange type butterfly valves are typically used in applications where a high level of pressure or temperature is present.

The Benefits of Using Butterfly Valves in Industrial Applications

1. Simple structure, small size, lightweight, easy installation, small space occupation, suitable for use in limited spaces.

2. Fast opening and closing speed, easy operation, and can quickly control and regulate the flow of fluids. 

3. Good sealing performance, few sealing surfaces, easy replacement of sealing components, and convenient maintenance.

4. Low fluid resistance, low energy consumption, and energy-saving when fluid passes through.

5. Suitable for various fluids, including gases, liquids, and solid particle mixtures.

6. Good corrosion resistance, can be made of corrosion-resistant materials, and is suitable for controlling various corrosive media.

7. Long lifespan, long service life, low maintenance costs, and is economically practical.

In conclusion, butterfly valves are a versatile and reliable type of valve that is used in a wide range of industries. They come in various types, including triple offset, double offset, and eccentric valves, each designed for specific applications. Whether you need a high-pressure, high-performance, or resilient seated valve, there is a butterfly valve that will meet your needs.

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