[Q&A] 2017.7.22
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What are the common types of flange sealing surfaces? Answer: In medium and low-pressure chemical equipment and pipelines, there are three commonly used types of sealing surfaces: (1) Flat sealing surface. (2) Rugged sealing surface. (3) Grooved sealing surface. http://down.hcbbs.cc/attachment/forum/201706/10/203353z7y06fdo70r6eod0.jpg Petrochemical Zone – New ideas for energy savings: the “Creative Ideas” campaign (the second phase is currently in progress). http://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1666758 (Source: Haichuan Chemical Industry Forum) 2017: “My Technical Upgrades” in the coal chemical industry. http://bbs.hcbbs.com/thread-1786290-1-1.html (Source: Haichuan Chemical Industry Forum Website) First round of voting for the best e-books on Haichuan Forum – chance to win prizes by voting (for members of the Management and Technology Group and those in grade 5 or above). http://bbs.hcbbs.com/thread-1799455-1-1.html (Source: Haichuan Chemical Industry Forum Website)
Concave-convex surface (MF/FMF) full-flat FF, convex surface RF, tenon-mortise surface RJ
Flat surface, convex surface, concave-convex surface, tenon-mortise surface, ring connection surface
Flat welding flanges, butt welding flanges, threaded flanges, socket welding flanges, loose flanges
The common seal surface types for medium and low pressure flanges are flat, male-and-female, and tenon-and-socket surfaces.
Convex (RF), Concave (FM), Concavo-convex (MFM), Tenon-groove (TG), Fully flat (FF), Ring-connected (RJ)
Flat welding flanges, butt welding flanges, threaded flanges, socket welding flanges, loose flanges.