ASME A694 F65 Threaded Flange refers to a flange with tapered neck and butt welded with cylinder or pipe. ASME A694 F65 Threaded Flange is an integral flange. Because of the transition structure of the taper neck and the butt welding connection, the strength and rigidity of the flange are strengthened, and the sealing property is better than that of the flat welding flange. The disadvantage of ASME A694 F65 TH Flanges is that it needs forging to manufacture, which consumes a lot of materials and costs a lot of manufacturing costs. ASME A694 F65 Threaded Flange is applicable to occasions with high pressure and temperature or high sealing requirements. The butt welding flange is not easy to deform and is well sealed. It is widely used. ASME A694 F65 Threaded Flange has corresponding rigidity and elasticity requirements and reasonable butt welding thinning transition. The distance between the weld junction and the joint surface is large, and the joint surface is protected from welding temperature deformation. ASME A694 F65 TH Flanges adopts a relatively complex bell shaped structure, which is suitable for pipelines with large fluctuations in pressure or temperature or high temperature For high-pressure and low-temperature pipes, ASME A694 F65 Threaded Flange is generally used for the connection of pipes and valves with PN greater than 2.5MPa; It is also used in pipelines conveying expensive, flammable and explosive media. According to the connection style, ASME A694 F65 Threaded Flange Flanges connection types can be divided into: plate type flat welding flange, band neck flat welding flange, band neck butt welding flange, socket welding flange, threaded flange, flange cover, band neck butt welding ring loose flange, flat welding ring loose flange, ring groove flange and flange cover, large diameter flat flange, large diameter high neck flange, splayed blind, butt welding ring loose flange, etc.
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