NEWS

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  Explain the hardness analysis of resin manhole cover in detail

  The hardness of the resin well cover refers to the ability of the surface volume of the raw material of the product to resist deformation or cracking. According to different test methods, the physical meaning of the hardness value of the raw material of the product is also different, and its hard...

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  Key points for avoiding accidents of cast iron manhole cover

  Cast iron manhole covers are also well known, but some safety production accidents are inevitable in the whole process of application of cast iron manhole covers. So how should people reduce the occurrence of safety accidents? I think this has something to do with the installation of cast iron ma...

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  The manufacturer introduces the earth excavation requirements of resin well cover

  Before the construction of the resin well cover, the earthwork shall be excavated first, the size of the well cover shall be reserved, and then the well cover shall be covered after the installation of the well cover. It can be said that the size and depth of the earthwork excavation determine wh...

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  How to prevent the deformation of ductile iron rain grate?

  After the size and appearance of some cast iron grates are seriously deformed after being transported in and out of the design drawing of some cast iron grates and even the appearance of some cast iron balls. For example, the edging strip is bent and deformed, the straight line difference is very...

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  What is the difference between rainwater well cover and sewage well cover

  Do you know that in fact, the covers of wells in our daily life are distinguished by materials and by types. For example, we divide the main uses of well covers into rainwater well covers and sewage well covers. What are the differences between them? First of all, let's know what the two kinds...

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  There are so many manhole covers on the main road, why not build them on the sidewalk?

  There are manhole covers on the roads in most cities in China, and many manhole covers are built directly to the main road of the road. Why are there so many manhole covers on the road? Why not build it on the sidewalk? What departments are involved? How high would the cost be if it were all tran...

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  The unique design of anti-theft manhole cover has better safety protection effect

  Now all cities have designed sewers, which can realize the circulation of sewage in the city and discharge it in a designated place, which can also ensure the environmental pollution coefficient of the city and be of greater help to the environmental governance of the city. Of course, the complet...

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  Inquiry of Customized Manhole Cover

  Manhole cover is a seal product on the top of the entrance to the underground facilities. It is a common facility in our life and are widely used . All place where install water, electricity, telecommunications, gas, heat, fire protection, sanitation and other public facilities need to install ma...

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  Why should ductile iron manhole covers be installed on roads?

  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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  How to prevent the deformation of ductile iron rain grate?

  Many manufacturers have experienced such experience. When the ductile iron rain grate is transported to the supplier, the appearance design and appearance of the rain grate go in and out of the size of the drawing, and some even have serious deformation. For example, the edging strip is bent and ...

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  Application of different thickness products of nodular well cover manufacturers

  Cast iron manhole covers are very familiar to you. You can see their shadow when walking on the street. Most of the manhole covers you see are nodular cast iron manhole covers. Today, I will introduce you around the application of different products of nodular cast iron manhole cover manufacturer...

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  Relationship between bearing capacity and service life of resin manhole cover

  The well cover has the advantages of excellent damage, simple forming, low noise, good chemical corrosion resistance, good acid and alkali resistance, beautiful appearance and so on. The relationship between service life and load-bearing of resin well cover is introduced below. 1. In terms of ...

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