NEWS

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  Inquiry of Square Manhole Covers In Cambodia

  Manhole covers are a common facility in our life and are widely used. It 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 m...

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  What is the abnormal noise of cast iron well cover? How to deal with it?

  What is the abnormal noise of cast iron well cover? How to deal with it? The cast iron well cover makes abnormal noise. Of course, this is an abnormal situation. The sound is likely to be caused by damage to internal parts of the well cover or loosening of the well cover. Many people have not not...

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  Method to identify whether the well cover is damaged

  Well covers are indispensable in urban roads. The well covers in Shandong are damaged, which not only affects the comfort of vehicles Adaptability, but also caused a large potential safety hazard. How to identify whether it is damaged has become a problem we have to face. 1. If it is found tha...

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  How to prevent deformation of well cover during unloading

  As an indispensable product in our life, well covers are often transported to various places for use. However, in order to avoid unnecessary losses caused by product deformation and damage during unloading, the specific defense measures are as follows: 1. If the forklift is used for loading an...

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  Factors leading to the decline of bearing capacity of resin manhole cover

  In order to increase the service performance of the well cover, the manufacturer usually improves its bearing capacity in the production of the resin well cover, so as to increase its firmness. However, there are still some factors that will affect the bearing capacity of the well cover, so in or...

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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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