The Raised Face is the most common type of Flange Facing used in the Chemical Plant Processing applications and is easily identifiable by the raised gasket seating area. The Raised Face portion runs from the bore of the Flange to the inside edge of the bolt circle. The purpose of the Raised Face design is


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What are the most popular Grades of Forgings used in Flange Manufacturing? The first most common Forged materials used for the manufacture of Pipe Flanges are the following, in the Carbon Steel grades, A-105 (high temperature service max of 1000*F). The A-350 LF2 grades of material, (for lower temperature applications). A-694 Grades, F42 thru F70

The Flange Face is the surface area where the gasket seats to seal the Flanged connection. During fabrication the Flange is always fitted perpendicular to the pipe to prevent any leakage of the connecting joint. The most common types of Flange Faces are the Raised Face or RF, the Flat Faced or FF and the

The Weld Neck Flange is easily recognizable by the hub that gradually tapers from the bolted connection to the pipe. At the Point of Weld on the Weld Neck it is supplied with a specific bore to mate with the attaching pipe or fitting. This connection is made with a full penetration butt weld, this

On March 29, 1881, in Engineers’ Hall on the campus of Washington University in St. Louis, Mo., 22 men representing water utilities in Illinois, Indiana, Iowa, Kansas, Kentucky, and Tennessee founded the American Water Works Association. At this time there are more than 180 AWWA Standards that cover everything from the well to storage tanks,

Both the AWWA and ANSI have thorough standards for pipe flanges, the two standards are different in several ways. The AWWA standards provide flange properties intended for potable water use only, while the ANSI standards are designed for industrial flange applications. The AWWA flange ratings are only applicable at atmospheric temperatures. The ANSI ratings cover

Subcommittee C of ASME B16 began work in November 1980 on the B16.47 Large Diameter Steel Flange Standard to standardize dimensions and materials for Nominal Pipe Sizes 26” to 60”. Prior to this in July of 1952, MSS-SP44 covered 12” thru 60” Nominal Pipe Sizes, in 150# to 900# pressure ratings in RF and RTJ

Coastal Flange is up and running during this battle with the COVID 19 virus, falling under CISA, which identifies essential, critical infrastructure workers during COVID 19 for the Department of Homeland Security. Coastal Flange supports the energy, chemical and municipal water districts. This has allowed Coastal to remain fully operational. While being committed to taking

What are Flanges

What are Flanges Pipe flanges are a mechanical compression connection using bolts and gaskets for quick assembly and disassembly. Flanges are used both for structural and process applications connecting pipe to pipe, to valves, pumps and numerous other types of equipment. Pipe flanges are manufactured to standard specifications as well as custom designs. The ANSI