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Socket Weld Flange



Product Name: 

Socket Weld Flange

Size Range: 

DN10-DN50

Pressure Grade: 

PN10-PN100 / CLASS150-CLASS1500

Surface Sealing: 

RF, FM, M, T, G

Connection: 

Socket Weld

Materials: 

Stainless Steel , Alloy Steel , Carbon Steel

Standards: 

ANSI , GOST , DIN , JIS , BS , UNI , GB

Certificates: 

ISO , API 6A , CE(PED) , ABS , DNV , BV , CCS

Custom Made: 

Yes , DN10 ~DN5000+


Product Specifications
Specifications
FAQ
Video

Socket Weld Flange


The socket weld flange is a precision pipe flange.Its designed to fit over the pipe end and be welded at the hub,creating a strong and leak resistant connection.Unlike slip-on flanges,the pipe is inserted fully into the socket,allowing a fillet weld around the hub, which ensures a smooth flow and reduces turbulence inside the pipeline.

Its recessed socket design provides accurate alignment for smaller diameter pipes,which makes it easy for welders to achieve a precise and durable connection.Commonly used in high pressure and high temperature systems for small-bore piping,the socket weld flanges is good for applications where leak prevention and long term reliability are critical.

The socket weld flange has carbon steel, stainless steel and alloy options.The socket weld flanges comply with ANSI B16.5 flange dimensions,including 150# flanges,300# flanges and other standard pipe flange types.Whether for chemical processing,steam lines and hydraulic systems,socket weld flanges provide secure installation,precise alignment and dependable service.It makes it a good choice for compact and high pressure piping networks.




Product application

Due to powerful comprehensive performance and wide practicality for flange products,they have been applied in many engineering fields.The application areas include light and heavy industry, petrochemicals, offshore oil, shipbuilding, drainage, water supply, construction, pipelines, fire protection, power, aerospace.



Service consultation

During the communication,our technicians will answer all the questions what your concerns.For more details,please feel free to contact us.Thanks for your attention.


Email: info@haihao-pipe.com

MB: +86-18928171006

Contact Person: Mrs. Shallen Feng



①  What is a socket weld flange and how does it work?

A socket weld flange is a type of pipe flange.It's designed to fit over the end of a pipe and be welded at the flange hub.It creats a strong and leak-resistant connection.The flange has a recessed socket slightly larger than the pipe, which allows the pipe to be fully inserted before a fillet weld is applied around the hub. It is typically used in high-pressure and small-diameter piping systems, where needs precise alignment and a durable, leak-proof joint.


②  What is the important advantage of using socket weld flange?

Due to its fully inserted pipe and fillet welded hub, the socket welded flange provides a strong leak proof connection.It's a good choice for high-pressure and small-diameter systems. Its recessed socket ensures precise alignment and reduces the risk of pipe misalignment during installation. While generally more expensive than slip-on flanges, socket weld flanges provide long term reliability and superior joint integrity.It's a good choice for safety, durability and leak prevention.


③  In which applications is a socket weld flange suitable?

The socket weld flange is specifically designed for high-pressure, small-diameter and critical piping systems.They are suitable for applications where leak resistance, precise alignment and joint strength. When the system involves steam lines, hydraulic lines and chemical processing,the socket weld flange provides a reliable and durable connection. For low-pressure and large-diameter piping, where installation speed and cost are more important than joint integrity, the socket weld flange is a good choice.


④  When is a socket weld flange not the good choice for my project?

The socket weld flange isn't suitable for large diameter and low pressure piping systems.Because they don't need precise alignment and fillet-welded connection in large diameter and low pressure piping systems.Their installation needs skilled welding and more time, which makes them not suitable for projects where quick assembly and cost efficiency. Slip-on and lap joint flanges are a good choice for applications where mechanical stress and leak prevention are minimal.


⑤  What are the steps to install a socket weld flange?

To install a socket weld flange, first ensure the pipe end and the inside of the flange socket is clean. Then slide the pipe fully into the flange socket and rotate the flange to align the bolt holes with the matching flange.According to specifications, apply tack welds to hold the flange in place, complete the fillet weld around the hub. Insert bolts through the aligned holes and cross tighten them evenly to ensure a good seal. Finally, before putting the system into service, the weld, flange alignment and bolt tightness should to be inspected.


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