GOST Standard Stainless Steel Threaded Flange
Threaded pipe flanges are typically provided with a raised face, flat face, or RTJ facing. When a raised face is necessary for threaded pipe flanges, the standard height is 1/16" for threaded pipe flanges under 400#. For threaded pipe flanges of 400# and up, the standard threaded pipe flange raised face height is 1/4".
What Is a Flange Connection?
At its most basic level, a flange connection involves joining two pieces of material together by means of an internal or external lip. A gasket gets fitted between that pair of pieces to prevent any leakage. Then installers generally use bolts to seal them tight. (Some applications will weld the pieces together rather than employ bolts.) Flanges come in a variety of styles, everything from slip-on flanges and lap-joint flanges to weld-neck flanges and socket-weld flanges.
Though this wide variety of flanges may seem confusing at first, know that they also offer the widest array of application options. Flange connections can work well with multiple pipe sizes, open or constricted areas, jobs requiring high joint integrity, and with caustic or hazardous liquids or gasses. End users may also install flanges made from standard materials (e.g., stainless steel, carbon steel) or exotic materials designed for special jobs.
What Is a Threaded Connection?
Threaded connections are almost the polar opposite of flange connections. Rather than fitting pieces together using multiple parts, threaded connections are rimmed with matching grooves, one on the outside of a piece and the other on the inside. Assembly is simple, because the sections simply screw together.
These grooved connections provide a number of advantages and disadvantages when compared with flanges. For one thing, they often tolerate pump vibrations better. Since they don’t use bolts, their connections will never need retightening. However, few threaded connections can tolerate high-pressure or high-temperature applications. And then there’s another matter where these two most basic types of connections different price.
The Price Difference Between Flange and Threaded Connections
Overall, threaded connections generally cost significantly less than flange connections. This mostly owes to the multiple parts and configurations of flanges. Of course, the relative cheapness of grooved parts is balanced by their operational inflexibility. There’s a reason why threads typically only appear in various low-pressure utility applications.
KadoyaEverbright manufactures threaded pipe flanges in all steel material grades, including carbon threaded pipe flanges, stainless steel threaded pipe flanges and alloy threaded pipe flanges.
KadoyaEverbright is committed to providing customers with a comprehensive one-stop solution. The company has always adhered to the "integrity-based, cooperation and win-win" business policy, with "starting from market demand, and finally customer satisfaction" as the business objectives, and won a broad market. We provide customers with quality products and caring services at reasonable prices, honest service, excellent quality and responsible attitude.
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