Plastic-coated Steel Pipes Are Widely Used In Our Life

Plastic-coated steel pipes are in application with increasely widespread. They involve many fields, such as construction industry, electric power industry, chemical industry and railway. Plastic-coated steel pipe is a kind of composite steel pipe, but it is more stable than simple steel pipe. And it has many advantages. Some people can't help but ask, “what is plastic-coated steel pipe?” As the name suggests, plastic-coated steel pipe is to spray plastic on the inner and outer layers of steel pipe to make the steel pipe more stable. Plastic-coated steel pipe has the strength of steel pipe and the corrosion resistance of plastic.

Therefore, plastic-coated steel pipe is more suitable for various applications and it can meet our expectations. Plastic-coated steel pipe is more and more widely used in the application process. What is plastic-coated steel pipe? We have mentioned a general concept above. The plastic-coated steel pipe is widely used in our daily life. It can be used to transport water, oil and gas. Moreover, plastic-coated steel pipe is relatively stable after spraying plastic.

The installation process of plastic-coated steel pipe for urban water pipeline, which generally includes the following steps: setting out, pipe trench excavation, pipeline installation and construction, backfilling sand, pipeline pressure test and pipeline flushing. The first is lofting, which means to determine the location of the pipeline to be buried and the route it passes through, and make actual measurement, planning and positioning on the construction site. Before the alignment, all obstacles in the pipeline trench passing through the route should be removed. And prepare the wooden pile and lime, and set out according to the route in the approval drawing. It can facilitate the excavation of the pipe trench. The excavation of pipe trench shall be carried out in accordance with the pipeline design, and the line shall be straight and level without any deflection and twists. If it is necessary to bend, the bending angle shall be generally within 20 degrees. The soil of the place is soft, retaining facilities shall be provided, and the bottom of the pipe shall be tamped. If there is water, the pipe shall be drained before laying. In the pipeline installation construction, in order to give full play to the health, environmental protection and leakage reduction performance of the plastic-coated fire pipe, the connector used for the connection with the plastic-coated fire pipe shall adopt the fully shielded double sealing pipe fitting.

When we choose plastic-coated steel pipes, the following points should be paid attention to:
The transportation of oil, natural gas and other liquids has always been a problem worthy of attention, because there are great dangers in the transportation process. Once the leakage occurs, it will bring great loss to people and even threaten people's life safety. Therefore, the selection of plastic-coated steel pipe is to ensure the quality. So, in the selection of plastic-coated steel pipe, what problems should be paid attention to? First of all, we should pay attention to its thickness. The pipe diameter should be greater than 0.02. Because under this condition, this kind of bearing pressure is big. Even if pull hard, it will not break.

Secondly, it depends on whether its surface is smooth or not. The surface of poor quality of plastic-coated steel pipe often forms lumps, and some have small cracks. Its surface lacks luster. Once you see such steel pipe, you should know that it is not a top-grade steel pipe. Moreover, you should measure the pipe diameter from different places to see if different places are the same. Excellent steel pipe should be about every place The same, otherwise it is inferior. We should choose large manufacturers when choosing. Generally it have strict packaging. The packing is loose and often nonstandard.