Companion Flange
A companion flange, sometimes referred to as a hub, allows connection of a flange yoke to another type of connection, for proper torque transfer. The flange yoke is bolted with either through holes or threaded holes to the appropriate companion flange, which has some other form of connection, primarily bore and key or splined input shaft.
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Product Introduction
Product Information
Companion flanges consist of a pair of flanges, a gasket, and several bolts and nuts. The gasket is placed between the sealing surfaces of the two flanges. After tightening the nut, the specific pressure on the surface of the gasket will deform when it reaches a certain value, and fill the unevenness on the sealing surface to make the connection tight and leak-proof. Some pipe fittings and equipment already have their own flanges, which are also flanged connections. Flange connection is an important connection method in pipeline construction.
Companion flanges allow the flange yoke to be attached to another type of connection for proper torque transfer. Flange yokes are bolted to appropriate mating flanges through through or threaded holes. This flange has some other form of connection, mainly bore and key or splined input shaft.
The companion flange has the characteristics of high strength, not easy to deform the connection, convenient installation, and wide application range. It has a wide range of uses and can be used in plumbing, petrochemical, aerospace, shaft and shaft links, etc. It is one of the commonly used butt welding flanges in aerospace, electric power, petrochemical, and energy.
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