However, there is a range of additional specialized flange types available to suit a range of uses and environments. The flange types listed above are the most common. When installed properly and combined with the correct gaskets, they can achieve an outstanding seal which is easy to remove when needed. Used for terminating or isolating piping systems, blind flanges are essentially boltable blank discs. However, their integrity, performance in systems with multiple repeat bends, and the ability to use them in high-pressure and high-temperature systems make them a leading choice for process piping.
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Like lap joint flanges, weld neck flanges require butt welding for installation. This design makes this style popular for use in systems with limited physical space or systems which require frequent dismantling and maintenance. Installation is slightly more technical as you’ll need fillet weld both sides to secure the flange to the pipe.įeaturing a two-piece design, lap joint flanges require butt welding of the stub end to the pipe or fitting with the use of a backing flange to create the flanged connection. Simply match the flange to the outer diameter of the pipe you intend to connect. Slip-on flanges are very common and are available in a large range of sizes to accommodate systems with higher flow rates and throughput.
#Join stainless steel pipes in home class actio suit install
This makes this style simpler to install than other welded flange types while avoiding the limitations associated with threaded ends. Ideal for smaller pipe diameters in low-temperature and low-pressure scenarios, socket-weld flanges feature a connection in which you place the pipe into the flange and then secure the connection with a single multi-pass fillet weld. Simply match the threading to the pipes you wish to connect. The threaded connection means you can avoid welding in many use cases. Here’s a look at the most common flange types available.Īlso known as a screwed flange, this style has a thread inside the flange bore which fits with the matching male thread on the pipe or fitting. Sizing aside, matching the ideal flange design to your piping system and intended usage will help to ensure reliable operation, a long service life, and optimal pricing. Common Flange Types and Characteristicsįlanges are not a one-type-fits-all sort of solution. The best option for your needs will depend on both the system in which you intend to use the flange and your specific requirements. Other common flange materials include Monel, Inconel, Chrome Moly, and many others depending on the application. Of materials so matching them with your needs is essential. However, flanges are available in a wide range Stainless Steel flanges are some of the most common. In most cases, there are specific gasket and bolting materials made from the same, or approved materials as the piping components you wish to connect. Using flanges adds flexibility when maintaining piping systems by allowing for easier disassembly and improved access to system components.Ī typical flanged connection is comprised of three parts: Offering a reliable way to connect pipe systems with the various equipment, valves, and other components of virtually any processing system, flanges are the second most used joining method after welding.
What Are Pipe Flanges and How Do They Work?
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