Looper flange is a kind of flange which is loosely sheathed on the Flange of the container or pipe. Flange is the shaft and shaft connected to each other parts, for the connection between the pipe end; there are also used in the equipment on the import and export of Flange, for connecting between equipment. Looper flange is a loose flange. The flange can be made by flanging, turning out directly or welding a ring.
The utility model has the advantages that when the flange deforms, no additional Torque is produced on the container or the pipeline, and the manufacture is convenient. The disadvantage is that the flange thickness is larger. The utility model is suitable for occasions where the container or pipeline is lined with brittle material and the pressure is not high.
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