In the process of modern city construction, power system, optical fiber cable, water pipeline and other complex lines and pipelines are shuttled from underground to each household。 In this process, it will inevitably involve maintenance and other issues, and many openings will be left on the ground to facilitate future maintenance work, so the well cover was born。 And our nodular cast iron well cover is based on the efforts of countless people, after professional transformation and emergence。
Ductile iron well cap has the advantages that previous well caps do not have。 It can be applied in various places, and has a long service life, high quality and no maintenance problems。 Ductile iron manhole covers are becoming more and more diversified, which makes its development more and more strong。 Ductile iron manhole covers are frequently used in municipal and construction。
Nowadays, most of the nodular cast iron well covers sold on the market have the characteristics of anticorrosion, strong compression resistance and heavy load bearing. More importantly, the materials he selected in the production process are cheap and easy to obtain. The total production cost is very low. The nodular cast iron well covers have no steel structure. The whole cover is made of new materials and has no value of recycling, which greatly avoids. In the case of stolen ductile iron covers, it is necessary to know when steel cast covers were used, and it is often reported that the covers were stolen somewhere.
Ductile iron well cover has a very strong anti-corrosion ability. Its factory standard is to soak in sulphuric acid for 48 hours, the quality loss is not more than one percent. It can be imagined how strong its anti-corrosion ability is. People need not worry about the damage caused by long-term sunshine and rain to the ductile iron well cover, thus brittle shattering of the well cover will occur, so as to cause accidents. The ability of nodular cast iron well cover in compressive load-bearing is tested by professional software and forged by high temperature and high pressure using new polymer material. It can bear more than 40 tons.
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