Weld neck flanges and long welding neck flanges are two common types of flange connections that are similar in some respects but also have some notable differences.
Here are their similarities and differences:
Similarities：
1. Connection purpose:
Both the weld neck flange and the long neck weld flange are used to connect pipes, valves, pumps and other equipment in the piping system to ensure safe and reliable fluid transmission.
2. Welding method:
Both the neck butt welding flange and the long neck butt welding flange need to be welded, usually by welding the neck part to connect the flange to the pipe.
3. Sealing performance:
Both the neck welding flange and the long neck welding flange have good sealing performance, and can be used for high pressure and high temperature applications.
4. Material selection:
Whether it is a neck butt welding flange or a long neck butt welding flange, different materials can be selected according to needs to adapt to specific working environments and media.
Differences:
1. Neck length:
The neck of the weld neck flange is relatively short, usually only slightly longer than the thickness of the flange itself. This makes it suitable for some applications because it doesn’t take up much space.
The Long Welding Neck Flange has a relatively long neck, which is usually a standard pipe size. This makes it more common in special applications that require connection to plumbing, as it offers more connection options.
2. Purpose:
Weld neck flanges are commonly used in general industrial applications, especially where tight connections are required in confined spaces.
Long weld neck flanges are often used in applications where accessories are required to be mounted on the flange or where additional strength and rigidity is required, such as supporting heavy equipment or where additional support is required.
3. Connection method:
Weld neck flanges are generally used for bolted connections by passing bolts through the flange and adjacent pipes or equipment to connect them.
Long welding neck flange are usually used for welding connections, and the welding neck is directly connected to the pipe or equipment to form a more compact and strong connection.
In conclusion, weld neck flanges and long neck weld flanges are the types of flanges used in piping systems to connect pipes and equipment, and their selection depends on specific application requirements, including space constraints, connection methods, and strength need.
Post time: Sep-07-2023
