In the whole process of producing pe pipes, uneven wall thickness sometimes occurs, which is also called partial wall. This situation is caused by some problems in the process, but usually the regular manufacturers are within the scope of the effective partial wall of the specification, or the thinnest part of the pe pipe wall is also above the specification, so it is not easy to interfere with the pe pipe Everything is applied normally.

During the processing of pe pipe manufacturers, the cooling water in the sizing sleeve is uneven, and the water inlet is quenched first, which causes the wall thickness of the part to be thick; the production line is unstable, the machinery and equipment are defective or unstable, and the molds and molds are not stable. It is not concentric or unsuitable for gaps; some large-caliber pe pipes above 10 mpa pressure are difficult to prevent uneven wall thickness when the pipe is extruded because of the large diameter specifications. However, the unevenness of the wall thickness of the pe pipes within DN800 is relatively rare, and even if there is, they are not far apart.

During the construction process, the PE water supply pipe is likely to leak, seepage, etc., which will endanger the quality and progress of the construction, especially if the PE water supply pipe is buried in the ground and the backfill is covered or fixed to the wall. After the face, the probability of leakage is higher. Therefore, in order to better prevent water seepage in the pe water supply pipe, preventive measures should be taken during construction.

Before building construction, it should be strictly in accordance with the standard to test the water pressure and carry out cleaning experiments to ensure that the quality of the water is not affected; in the construction of buildings that must pass through the floor, it should be fixed according to the drainage pipe through the floor, whether the fulcrum is coming Set up steel casing and add water blocking ring. In the case that the wall must be penetrated to better prevent leakage, a fixed sleeve must be installed, and the sleeve must be flush with the finish, and finally the gap will be filled with waterproof coating.