Expansion joint connection anti-corrosion work to be done

Expansion joints apply external force to the metal billet to produce plastic deformation, change the size, shape and improve the function, used to manufacture mechanical parts, workpieces, tools or blanks of forming processing methods. Expansion joints to prevent leakage caused by freezing, freezing, reasonable maintenance of expansion joints, help to extend the life of the expansion joint. In order to use the process of, as a rule, to debug the expansion joint, expansion joints above a layer of pulling mold, remember that the use of this pulling mold must be intact.
 
Expansion joint venting holes can not be blocked, stretching on top of the press, all ready to install and use the expansion joint. It is important to know that the expansion joint is only a pressure vessel accessory, used in the pipeline is more than the method of the lang plate, at the end of the pipeline, we will have points enough, the role is actually and blind to achieve the same effect. We have to seal the pipe, if the expansion joint is welded after it is not removable, but this blind plate is able to remove. With the blind plate he can better clean the material in the pipe.