NEWS

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  What is the standard size of ductile iron manhole cover?

  There are many kinds of manhole covers on the market. According to the material, they can be divided into metal manhole covers: cast iron, ductile iron, bronze manhole covers, etc. with the continuous improvement of the application of manhole technology, its types and styles are also diversified....

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  How to open ductile iron well cover

  1. There are several kinds of ductile iron manhole covers, some of which are hinged, some of which are not. You can use an iron rod (or a larger screwdriver) that can be extended into the manhole cover to "don't" it, and then lift it up. When there is a gap between the cover and the edge of the c...

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  How to solve the abnormal noise of cast iron well cover?

  Cast iron manhole covers make abnormal noise. Of course, this is an abnormal situation. The noise is most likely caused by the damage of internal parts of the manhole covers or the noise caused by the looseness of the manhole covers. Many people do not pay attention to this kind of noise because ...

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  What technological skills does ductile iron manhole cover have?

  There are many forms in the production process of nodular cast iron manhole cover, which also determines the distinction between its high-quality materials and price. If the technology is good, the natural price is not the same, and the cast iron manhole cover is also different. The following edi...

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  Die technology and material of well cover

  The production of well cover is made by mold. Although it is a product we often see, how much do you know about its production process and material? If you want to use it better and give full play to the function of the manhole cover, you must first understand its manufacturing technology and mat...

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  Specification requirements for scaffold erection

  First of all, according to different scaffolds, the safety specifications in the specific construction process are also different. General scaffolds can be divided into floor type scaffold, attached lifting scaffold, cantilever scaffold, portal scaffold, etc. 1. Floor type scaffold When the...

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  What factors will affect the price of mobile scaffolding?

  The most effective way to ensure the twists and turns of the scaffold and straightening is that the price of the scaffold makes the scaffold which has been processed into a product has a smaller curvature and has to be finished by the straightening machine of the machine. So in order to eliminate...

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  Advantages of polymer composite manhole cover products

  Advantages of polymer composite manhole cover products 1. Anti theft: This product is made of polymer composite material, no recycling value, natural anti-theft. 2. Strong weatherability: the product uses polymer matrix composite materials with large molecular weight and high chemical stabi...

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  Die technology and material of composite manhole cover

  The production of well cover is made by mold. Although it is a product we often see, how much do you know about its production process and material? If you want to use it better and give full play to the function of the manhole cover, you must first understand its manufacturing technology and mat...

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  Standard dimension standard of manhole cover

  First, what is the size standard of manhole cover? In fact, in terms of the current use, there are many types of manhole covers, not a single one. In general, 600mm, 700mm, 800mm are more common, the use of a lot. But the most commonly used is 600mm. But there are also some in 550mm, the utili...

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  Die technology and material of well cover

  The production of well cover is made by mould. Although it is a product we often see, how much do you know about its production technology and material? In order to use it better, we must know the production technology and material of the well cover. 1、 Process The well cover mould is main...

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  What are the inspection steps before using the climbing frame?

  About our Hebei climbing frame, is to protect the personal safety of our operators, further our project can be carried out smoothly, so we must check all the details before using the climbing frame, so as to ensure our safe construction, so what are the inspection steps before we use the climbing...

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