NEWS

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  Production and inspection of cast iron manhole cover

  The production technology of cast iron well cover is mature and easy to place. The well cover of any specification only needs to drill two holes as required to be equipped with the anti-theft device. If the well cover is newly made, two holes shall be reserved as required during casting, and the ...

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  Introduction to anti slip method of manhole cover

  Although the well cover is the regional comparison form of pavement coverage, it also needs to ensure the safe passage of pedestrians. Therefore, anti-skid treatment needs to be carried out in the production process to ensure the safety factor of the road. Anti skid measures are also different fo...

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  How powerful is the cast iron manhole cover

  At present, many cast iron well covers used on the road are ductile iron well covers, and the ductile iron well cover has good toughness, which is 10 times higher than gray iron material, so it is widely used as one of the choices of well cover medium. In terms of price, it is also the cost, the ...

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  Advantages of high temperature forming process of well cover

  Composite well cover is one of the popular well cover products in recent years. Different from the traditional cast iron manhole cover, it adopts high-temperature forming process because it is made of composite materials. So what are the advantages of high temperature forming process of composite...

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  What does the pattern on the manhole cover represent?

  Well covers have become city cards. It starts from solving practical details, becomes an art because of exquisite workmanship, and finally becomes a special culture. In almost every city in Japan, you can see colorful sewers with animals, scenery, historical stories or urban characteristics, full...

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  What are the anti-theft performance of nodular cast iron manhole cover

  The classification standard of nodular cast iron manhole covers is because the steel is recyclable at first, and the quality of steel is very heavy. For recycled materials, people have to weigh the weight of price conversion. Therefore, it is very important for the anti-theft work of urban road m...

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  Why should ductile iron manhole covers be installed on the highway?

  Nodular cast iron manhole cover is an upgraded version of ordinary cast iron manhole cover. Now, nodular cast iron manhole cover will be used on major highways, national highways and urban roads, which can be regarded as upgrading from cement manhole cover to cast iron manhole cover, and then upg...

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  Technical requirements for manhole cover

  Well covers are used to cover roads or deep wells in homes to prevent people or objects from falling. According to the material, it can be divided into metal, high-strength fiber, cement concrete, resin, etc. Generally, circular is used. It can be used in green belts, sidewalks, motorways, docks,...

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  Cold mechanical pressing technology of well cover

  Cold pressing process is a process method in the production process of well cover. What are the characteristics of this process method in the production process? Today, let's learn about the characteristics of well cover cold extrusion technology. This cold extrusion technology department refe...

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  Use advantages of cover plate quality

  The utilization rate of cable cover plate is more and more extensive. Only by selecting appropriate installation methods in the whole process of project construction can we achieve stronger use effect. For better application, let's understand the use advantages of cable cover plate quality. ...

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  New Type Manhole Cover

  Manhole cover is a seal product on the top of the entrance to the underground facilities. All place where install water, telecommunications, electricity, gas, heat, fire protection, sanitation and other public facilities need to install manhole cover. According to the characteristics of pi...

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  Introduction of cover plates plastic mold

  At present, municipal road engineering, tunnel engineering, subway engineering construction above, in addition to the use of ductile iron products , most also use concrete cover plate , concrete has the characteristics of rich raw materials, low price, simple production process of precast concret...

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