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Weld Neck Flange

Weld Neck Flange

Email:info@zhishangsteel.com

Tel:+86-13964085002

Whatsapp:+86-13964085002

Phone:+86-531-88752665

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Welded neck flanges are usually easy to identify because they have a significant long tapered hub that gradually thickens from the end of the pipe or fitting. This design provides important reinforcement in a variety of application scenarios, especially under high pressure, extremely low temperature and/or high temperature conditions.

These long tapered wheels are especially useful in conditions of repeated bending. For example, when a piping system is subject to linear expansion or other variable forces, a smooth transition from taper affected flange thickness to pipe or fitting wall thickness can effectively mitigate stress concentration. This design can significantly reduce the fatigue damage caused by stress concentration and improve the reliability and service life of the pipeline system.

Welded neck flanges are usually boring to match the bore diameter of the matching pipe or fitting. This precise machining ensures that the flange does not restrict product flow, thereby avoiding turbulence at the joint and reducing erosion. This not only improves the efficiency of the piping system, but also prolongs its service life.

In addition, the cone hub design provides excellent stress distribution capability. This characteristic is especially important under high pressure and other demanding operating conditions, as it helps to disperse stress and prevent stress concentration, thereby protecting the integrity of the piping system.

The welded neck flange is connected to the pipe by butt welding. This approach provides a very robust and reliable connection and is particularly suitable for critical service applications. In these applications, all welded joints need to be radiographed to ensure welding quality and safety. Therefore, when specifying these flanges, it is not only necessary to specify the flange specification, but also the thickness of the welded end to ensure the strength and sealing performance of the entire connection.

With its long conical hub design, welded neck flanges show excellent performance in applications under high pressure, low temperature and high temperature conditions. By providing excellent stress distribution, protection against turbulence and erosion, and ensuring robust and reliable connections, they are the first choice for piping system designs in many demanding conditions.


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Zhishang Steel has always been a pioneer in custom steel and special supplies, and has been recognized for its efforts in enhancing work efficiency and product quality. In addition to ISO9001:2015 certification, we also adhere to strict quality policies and proprietary procedures. If you have any questions, please contact us to provide the best type of product solution for your pre-painted, coil coating metal process, we will closely support after-sales service to ensure that your subsequent problems can be solved in a timely manner, if you have any questions, please send email to info@zhishangsteel.com, we look forward to serving you.

About

Zhishang Steel Co., Ltd


Zhishang Steel, specializing in domestic steel products trade, warehousing, processing and other services. The team has four service teams: Shandong Zhishang Steel Co., LTD., Shandong Zhiyiheng Trading Co., LTD., Tai 'an Zhishang Economic and Trade Co., LTD., Shandong Zhishang Steel Structure Co., LTD. Mainly engaged in steel coil, coated, stee···

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