Plastic steel pipes in the inside and outside of water have the following characteristics:
First, there are plastic coatings on the inner surface of the inner and outer plastic steel pipes, which can maintain the smooth inside of the pipeline, reduce the resistance of water flow, and increase the flow of water. In addition, due to the smooth water volume, the flow of water can be guaranteed. At the same time, there will be no scaling inside the pipeline during use, no bacteria will be breeds, and water quality will be reduced.
Second, there are plastic coatings on the outside of the inside and outside plastic steel pipes, which can increase the adaptability of plastic steel pipes. The coating on the outer surface increases the corrosion resistance of the steel pipe, has strong water resistance, high oxidation resistance, and has good resistance to resistance. In addition, the impact of the environment on coating steel pipes can be reduced. Because when giving water, the pipeline is inevitably buried underground, and the increase in the life of the pipeline can be effectively extended.
Check what processes of plastic steel pipes:
The main inspection methods of plastic steel pipes include appearance inspection, appearance inspection, pinhole test, bending test, flattening test, low temperature experiment, etc. Each check method has its own key points.
The appearance examination is to check the appearance quality of the steel pipe with the naked eye.
The thickness measurement is to measure the thickness of the coating thickness of the four -point coating on the circle on any two horizontal surfaces.
Point -pin experiments refer to the use of electric spark leakage instruments to check the test voltage of the steel pipe in the specified test voltage, and at the same time, it is necessary to check whether the electric spark is generated.
Bending experiments are generally bent on the bending machine or mold. It is worth noting that there is no filling inside the tube during the bending test. The weld is located on the side of the curved main surface.
The flattelling experiment is to place the test parts between the two tablets, and gradually compress the spacing of the two flat plates on the pressure test machine to four -fifths of the test parts. Essence
Low -temperature experiments means that the test parts are placed in a low thermostat. After staying for one hour, then placed in the normal temperature environment.
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