Introduction of U-shaped flange butterfly valve

Introduction to U-shaped Flange Butterfly Valve

The U-shaped flange butterfly valve is characterized by its simple structure, compact size, and lightweight design. Comprising only a few components, it allows for quick operations, being capable of opening and closing with a simple 90-degree rotation.

This valve demonstrates excellent fluid control characteristics, crucial for various industrial applications. The butterfly disc is positioned in line with the pipeline diameter. The disc rotates around its axis within the cylindrical passage of the valve body, with its rotation angle ranging from 0 to 90 degrees. A complete rotation of 90 degrees signifies that the valve is fully open.

With its minimalist design, the U-shaped butterfly valve ensures that during operation, the only resistance encountered by the medium passing through it is the thickness of the butterfly plate. This feature minimizes pressure drop, enhancing flow control efficiency. The valve is offered in two sealing types: elastic seal and metal seal. The elastic sealing option involves either embedding the sealing ring within the valve body or attaching it to the butterfly plate's periphery.

Although metal sealing valves typically have a longer lifespan compared to their elastic counterparts, they often struggle to provide a complete seal. However, metal seals can handle higher operational temperatures, unlike elastic seals, which are constrained by thermal limits.

For applications requiring flow control, selecting the appropriate size and type of valve is essential. The structural principle of butterfly valves makes them particularly suitable for larger diameter specifications. They find extensive usage across various sectors like petroleum, gas, chemicals, and water treatment, in addition to being integral to cooling water systems in thermal power plants.

Common variants include wafer and flange butterfly valves. The wafer butterfly valve utilizes double-head bolts to install between two pipe flanges, while the flange butterfly valve incorporates flanges on its ends, secured with bolts to connect them to adjacent pipe flanges.

When the butterfly valve is in a fully open state, the pressure drop remains minimal because the thickness of the butterfly plate presents the only flow resistance. If you wish to further explore the specifications of the U Type Butterfly Valve, please refer to our product page for more details.

The U Type Butterfly Valve (model LWBV-6) is a standard variant utilized across many industries such as coal chemical, petrochemical, rubber, paper, and pharmaceuticals. These valves serve as essential devices for media splitting, confluence, or flow direction switching.

Moreover, the U-shaped butterfly valve employs a top-mounted design that effectively reduces the number of connecting bolts, particularly in high-pressure and large-diameter applications. This design improves valve reliability and mitigates the weight impacts from the system on the valve's operational efficiency. U type butterfly valves are recognized for their reliability and minimal maintenance requirements.

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