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long weld neck nozzle

  • Know more about Long Weld Neck !!
    Apr 25, 2024
    What are the long weld neck flanges? A long weld neck flange is a type of flange that features an extended neck or hub. It has a long, tapered neck that is welded to the pipe, providing a smooth transition between the flange and the pipe. The extended neck provides reinforcement and additional strength to the joint. The Long Weld Neck (LWN) connection is the lightest and most economical connections offered for use where a minimum of reinforcing area is required. It is the most commonly used nozzle in the ASME pressure vessel industry. A Long Weld Neck is also the lightest wall connection of the nozzle family. The nozzle that follows the Long Weld Neck with a slightly heavier wall barrel is known as the Heavy Barrel (HB).     The fuction of long weld neck flange Long weld neck flanges are commonly used in piping systems that require high-pressure and high-temperature applications. The extended neck allows for better flow characteristics, minimizing turbulence and pressure drop. It also provides additional space for insulation or corrosion-resistant coatings .Long Weld Neck connections are a crucial part of the pressure vessel industry. Welding is the most efficient and cost-effective way to connect two pieces of metal, so it is the material of choice for many industries, including petrochemical and aerospace.   The design of a long weld neck flange allows for easy welding, making it suitable for critical connections where strength, integrity, and leak-free performance are essential. The longer neck allows for a more gradual transition, reducing stress concentration and improving the overall structural integrity of the joint. Due to their robust design and superior performance, long weld neck flanges are widely used in industries such as oil and gas, petrochemical, power generation, and chemical processing. They are typically made from high-quality materials, such as carbon steel long weld neck flanges, stainless steel long weld neck flanges, or alloy steel long weld neck flanges, to ensure durability and resistance to corrosion.       A long weld neck flange is a specialized flange with an extended neck or hub. It provides strength, smooth flow characteristics, and easy welding in high-pressure and high-temperature piping systems, making it an ideal choice for critical applications.   Wuxi changrun’s product offering with a wide spectrum of ASME pressure vessel connections makes it simple on the customer, as we are capable of producing a nozzle for every application in the pressure vessel industry. Our Long Weld Neck connections are available in various seamless configurations for custom pressure vessel connections. They provide leak-free, long-term service in high-pressure environments.    
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