Views: 0 Author: Site Editor Publish Time: 2020-11-16 Origin: Site
Bend pipes are widely used in various industries. Products in air conditioners, refrigerators, automobile oil circuits, heat exchangers, aerospace, etc. are inseparable from the use of stainless steel pipes. Bend pipes are very commonly used in pipeline installation projects. One of the pipe fittings.
1. The difference between elbow and elbow
Elbow is a commonly used connection pipe fitting in pipeline installation. It connects two pipes with the same or different nominal diameters to make the pipeline bend at a certain angle. Elbows can be classified according to production process, bending degree, material, connection method, etc. For example, the same elbow can be cast steel elbow, 90° elbow, stainless steel elbow, threaded elbow, etc.
In addition to pipe fittings for connection, elbow also refers to a processing method. The bend pipe is to bend the straight pipe by processing means to achieve the purpose of changing the flow direction of the pipeline. The manufacturing process and the finished product are called elbows. Since the elbow is processed by a straight pipe, there is a problem of uneven thickness. But the elbow can be made on site as required, and can be made into a special angle.
The bending radius of the elbow is usually larger than that of the elbow; the mechanical strength per unit area of the elbow is usually greater than that of the elbow. You can choose according to your needs in use. For example, to deal with the scouring of the pipe fluid on the turn, you can choose a thick-walled elbow to achieve the purpose of erosion resistance; you can also choose a large radius elbow to reduce (distribute) the scouring force.
2. Precautions for the use of elbows
1. When loading and unloading elbows, try to use cranes for loading and unloading to avoid deformation of elbows when loading and unloading the truck.
2. If it is not used for a long time, take corresponding measures for the oxidation resistance and corrosion resistance of the elbow.
3. Maintenance of elbow
The bendability and surface corrosion of the elbow may directly affect the quality of the elbow to a certain extent. When the product is constructed on site, the operator will also know the material, processing performance and Make a judgment on the surface corrosion.
In the process of bending the pipe, in order to obtain a better surface quality of the bending pipe, the enterprise will adopt many methods when using it, including the use of higher-strength molds, the selection of high-end pipe benders, and the use of Lubrication products and other methods.
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