NXF UNS S32760 F55/S32760/1.4501 DN15-1200 Class150-2500 Super Duplex F55 Stainless Steel S32760 Weld Neck Flanges

Structural Features: Composed of three parts: flange neck, flange plate, and weld bevel. The flange neck is relatively long, and the wall thickness gradually transitions to the pipe wall thickness along the height direction, forming a flared structure. This design effectively improves stress distribution and enhances the overall strength of the flange.- Performance Advantages: Welded neck flanges have superior strength and rigidity compared to other types of flanges, and can withstand higher pressures and temperatures. Simultaneously, they offer good sealing performance, making them suitable for applications with high sealing requirements. Furthermore, due to the large distance between the weld and the mating surface, the mating surface is protected from welding temperature deformation, resulting in high weld quality and a robust connection.- Sealing Surface Types: Primarily include raised face (RF), flat face (FF), male and female face (MFM), tongue and groove face (TG), and ring joint face (RJ).- Materials and Specifications: Materials typically include carbon steel, stainless steel, and alloy steel, such as ASTM A105, A182 F304, and A182 F11. Its specifications are wide-ranging, with sizes from 1/2″ (15NB) to 48″ (1200NB), and pressure ratings including 150LBS, 300LBS, and 600LBS.- Standards: Includes Ministry of Chemical Industry Standard HG/T20592-97, Ministry of Machinery Industry Standard JB/T81-94, American Standard ANSI B16.5, and National Standard GB/T9119-2010.- Applications: Widely used in medium and high-pressure pipelines and equipment, especially in high-pressure, high-temperature, flammable and explosive media transmission systems in the chemical, petroleum, and power industries.

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