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It can be divided into 4 categories A. Metal manhole covers: cast iron, ductile iron, bronze manhole covers, etc; B. High strength steel fiber cement concrete manhole cover (cement-based composite material); C. Regenerated resin well cover (regenerated resin matrix composite); D. Polymer matrix composite manhole cover, etc. Hainan nodular cast iron well covers, of which the composite well covers are divided into inorganic ones
Published on: January 5, 2021 Clicks: 130
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With the rapid improvement of people's living standards, especially the change of urban residents' lifestyle, the pressure of urban underground pipelines is also increasing. The original pipe diameter becomes smaller due to long-term pipe sludge and rust solidification, which can not meet the stable flow of discharge flow. The sludge deposit at the bottom of the pipe always raises the downstream of the drainage pipe, resulting in a decrease in the slope of the pipe, a flat flow rate, pipe blockage and double discharge
Published on: December 23, 2020 Number of hits: 73
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Through the recent market survey and return visit, we found that many customers do not understand the plastic inspection well very well. Today, I will share the relevant information with you, hoping to draw your attention and give you a deeper understanding of the plastic inspection well. In this way, when purchasing and using the plastic inspection well, we can know it well, and we are not afraid of being cheated. We hope
Published on: September 29, 2020 Clicks: 97
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Do you know what the sewage effect of the plastic inspection well is? And why is it used as an aid to road drainage? First of all, we know that road drainage needs the assistance of plastic inspection wells to have a good effect. It is also often used in municipal engineering, and sewage is often produced in cities. But what is the drainage effect of inspection wells? Hainan plastic inspection well
Published on: September 25, 2020 Number of hits: 104
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1、 Because of the excellent commodity characteristics of the plastic inspection well, the new environmental protection decoration materials have been listed as the top priority in the marketing and promotion of new products in the "11th Five Year Technical Publicity" of the Ministry of Housing and Urban Rural Development. The plastic inspection well and the plastic pipe have excellent connectivity, so the problem of water leakage is effectively solved. In today's serious shortage of water resources, marketing and promotion of this product is beneficial to underground water pollution
Published on: September 21, 2020 Clicks: 91
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Once the ductile iron pipe is put into operation, it will be a big problem and difficult to repair, so it requires us to strictly follow the construction rules when installing, so that there will be no problems. The ink cast iron pipe has a good sealing function and is not easy to leak, which can reduce the leakage rate of the pipe network and reduce the daily care costs, but you need to choose
Published on: September 19, 2020 Number of hits: 70
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As a product often seen in daily use, nodular cast iron manhole covers play an important role in our life. Because the wellhead is under the manhole cover, once the manhole cover is damaged or damaged, there will be great problems in personal safety. Therefore, the state has strict requirements on the technology of nodular cast iron manhole covers, and there are also requirements on the signs. Hainan Nodular Cast Iron Well Covers Wholesale Each Batch
Published on: September 18, 2020 Clicks: 90
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The raw materials of the plastic inspection well are thermoplastics, glass fiber reinforced thermosetting plastics and other high molecular materials, which are divided into sewage and rainwater. There is a launder at the bottom of the sewage well and a mud chamber at the bottom of the rainwater well. The structure includes protective cover, inner cover, shaft and well seat. The inner cover is placed on the top of the shaft. For sewage wells
Published on: September 16, 2020 Clicks: 64
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Do you know what should be paid attention to during the construction of Hainan plastic manhole? Hainan plastic manhole manufacturer will give you a detailed answer: with the gradual acceleration of urbanization, one-time injection molding plastic manhole has become an irreplaceable important part in the drainage application of living quarters
Published on: May 5, 2020 Number of hits: 50
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Do you know how to check the connection quality of PE pipe? The following is a brief introduction of Hainan Plastic Inspection Well: PE pipe is most likely to be damaged and leaked at the PE pipe fitting interface. The key to the success and failure of the project is the quality of pipeline connection. Therefore, strict interface quality acceptance is very important for underground gas pipeline engineering. In case of electrofusion connection
Published on: April 22, 2020 Number of hits: 66
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Why does plastic manhole replace traditional well building? There are seven main reasons as follows: the emergence of plastic inspection wells has become a dark horse in the construction industry, and it has made up for the shortcomings of traditional well building, which has become a good alternative to traditional well building. Now let's take a look at the reasons why people like it so much. 1. Plastic
Published on: April 16, 2020 Clicks: 47
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Why is a manhole cover made of nodular cast iron better? What are the advantages of ductile iron manhole covers? Let's take a look at Hainan Plastic Inspection Well. First of all, nodular cast iron manhole covers are mainly made of nodular cast iron. The quality of such manhole covers is related to the spheroidization rate. Rust proof asphalt paint is commonly used to treat castings, of course, nodular cast iron manhole cover
Published on: April 7, 2020 Number of hits: 52
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What is the layout of municipal pipelines in the municipal pipe network project? The following is a brief compilation of Hainan Plastic Inspection Well to give you a detailed answer: First, municipal engineering refers to the construction of municipal facilities. In China, municipal facilities refer to those set up within the planning and construction scope of urban areas and towns (townships), and those set up for residents based on government responsibilities and obligations
Published on: April 6, 2020 Clicks: 51
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What do you know about a plastic manhole? Next, Hainan Municipal Pipeline Department will introduce you in detail: First, inspection wells, commonly known as "inspection wells", are generally located at the intersection of drainage pipelines, turns, pipe diameter or slope changes, water drops, and straight pipes at certain intervals. They are ancillary drainage structures that facilitate regular inspection, cleaning, and dredging of pipelines. Height above Hainan plastic manhole
Published on: April 4, 2020 Clicks: 42
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Do you know what the municipal pipe network is like? The municipal pipe network is very large and orderly. In short, it is the infrastructure of a city. Although it does not hinder our interests, everyone living in the city benefits from it. So what do you know about the municipal pipe network in Hainan? Next, Hainan South Plastic Inspection
Published on: April 3, 2020 Clicks: 36
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What is the standard and basis for the classification of light and heavy ductile iron manhole covers? Next, let's introduce Hainan Municipal Pipeline Department to you: First, let's understand what is a heavy ductile iron manhole cover: the experimental load is 400KN, corrosion resistance, aging resistance, acid and alkali resistance, large toughness, long life, high bearing capacity, not easy to deform, and good safety. 1. Application scope and occasions
Published on: April 1, 2020 Clicks: 192
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Do you know the difference between heavy ductile iron manhole cover and light cast iron manhole cover? Next, Hainan Plastic Inspection Well will introduce you in detail: 1. The application range and occasions are different. Heavy Hainan ductile iron manhole covers are generally used in places with heavy loads, such as airports, expressways, docks, the second ring road, urban expressways, etc. The common feature of such occasions is that
Published on: March 30, 2020 Clicks: 149
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Hainan Plastic Industry Co., Ltd. can tell you the main differences between stainless steel bellows and HDPE bellows: First, Hainan municipal pipe manufacturers can answer: stainless steel bellows have good flexibility, corrosion resistance, high temperature resistance, wear resistance, tensile resistance, water resistance and provide excellent electromagnetic shielding performance. Stainless steel hose can be freely bent into various angles and radius of curvature
Published on: March 28, 2020 Number of hits: 46
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In life, we often see manhole covers. Do you know why there are so many manhole covers in the middle of the road? The following is a brief introduction of Hainan Municipal Pipeline: First of all, there are manhole covers in the urban roads we live in because the standards and requirements of different departments of road construction are different. The main types of pipelines laid underground in cities are power, telecommunications, heat, gas and water supply
Published on: March 27, 2020 Number of hits: 161
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As you know, drainage ditch cover plate (stainless steel, galvanized steel)+U-shaped ditch body (resin concrete)=U-shaped resin drainage ditch in Hainan municipal pipeline. The material of this kind of material is not ordinary concrete, but a new material. It is called "resin concrete" abroad. The common name is actually a kind of thing similar to artificial stone, and its main composition is also similar to artificial stone. It can be guaranteed during use
Published on: March 26, 2020 Number of hits: 32
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