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Ira . 11, 2024 01:02 Back to list

Lug Type Butterfly Valve Installation - Reliable Solutions for Optimal Performance



Overview of Lug Type Butterfly Valve Installation and Manufacturers


Lug type butterfly valves are popular in various industrial applications due to their reliability, simplicity, and efficiency in regulating the flow of fluids through pipelines. This article will provide an overview of the installation process of lug type butterfly valves and highlight key manufacturers in the industry.


What is a Lug Type Butterfly Valve?


A lug type butterfly valve is a quarter-turn valve that consists of a circular disc (the butterfly) mounted on a rod. The valve is named for its lugs, which are threaded holes on the valve body that allow mounting to a flange. This design provides several advantages, including the ability to isolate a section of the pipeline when necessary, without needing to turn off the entire system.


Installation Process


Installing a lug type butterfly valve involves several steps to ensure optimal operation and longevity. Here’s a breakdown of the installation process


1. Preparation Before starting the installation, ensure that you have the necessary tools and safety equipment. Verify that the valve is the correct size and type for your application and that all components, including gaskets and flanges, are compatible.


2. Shut Down the System Ensure that the system is completely shut down to avoid any accidents during installation. Drain the pipeline if necessary.


3. Clean the Flanges Clean the flange faces to remove any debris, rust, or old gasket material that could interfere with the sealing process.


4. Position the Valve Place the lug type butterfly valve between the two flanges. The valve should be oriented correctly, with the stem in the vertical position for optimal flow characteristics.


5. Align the Lugs Make sure the lugs on the valve align with the corresponding bolt holes on the flanges. This is crucial for a proper seal and for avoiding undue stress on the valve.


lug type butterfly valve installation manufacturers

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6. Install Bolts Insert the bolts through the lugs and into the flange holes. Hand-tighten the bolts to ensure that the valve is held securely in place.


7. Torque the Bolts Using a torque wrench, tighten the bolts in a crisscross pattern to ensure even pressure across the valve. Follow the manufacturer's recommended torque specifications to prevent damage to the valve or flanges.


8. Testing Once installed, slowly reopen the pipeline and check for leaks. It’s also advisable to perform a functionality test to ensure that the valve operates smoothly without any hindrance.


Leading Manufacturers


Several manufacturers are known for producing high-quality lug type butterfly valves. Some of the industry leaders include


- Emerson Known for their high-performance valves and automation solutions, Emerson has a robust lineup of lug type butterfly valves suitable for various applications.


- Parker Hannifin Parker offers a wide variety of valves, including lug type butterfly valves that are known for durability and exceptional performance in harsh environments.


- Kitz Corporation Established in Japan, Kitz provides innovative valve solutions, including a range of lug type butterfly valves designed for both industrial and commercial applications.


- Val-Matic Recognized for their reliable and cost-effective valve solutions, Val-Matic specializes in butterfly valves that serve different industries, including water treatment and wastewater management.


In conclusion, the installation of lug type butterfly valves is a straightforward process requiring careful preparation and adherence to manufacturer guidelines. By choosing reputable manufacturers, system designers and operators can ensure a reliable and efficient flow control solution tailored to their specific needs.



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