Ductile iron manhole covers should be cleaned and maintained after long-term use[2019-11-27]
After being installed for a long time, Baokang ductile iron manhole covers have experienced wind and sun, so naturally there will also be some dirt or pollutants on the appearance, so for some dust on the surface and scratches and rust, etc. How should we clean and maintain it? Let's take a look with Baokang ductile iron manhole cover manufacturers.
Installation of cast iron manhole cover should pay attention to the installation quality to achieve accurate size[2019-11-27]
In order to ensure the safe use of Shiyan cast iron manhole covers on the road, we must pay great attention to the installation quality, to achieve accurate dimensions, sturdy installation, easy to open, clean and beautiful appearance, and then follow Shiyan cast iron manhole cover manufacturers to see the installation details.
Composite manhole cover has good abrasion resistance and pressure resistance[2019-11-07]
Now, many areas will choose Shiyan composite manhole cover for installation and application. This manhole cover is made of unsaturated polyester resin for processing. This material can be pressed and produced during the manufacturing process. Therefore, this manhole cover It is also classified as a new type of environmentally friendly product, which will not be polluted during use and can be recycled.
Ductile iron manhole cover with high strength and strong impact resistance, widely used[2019-11-07]
Ductile iron manhole cover manufacturers will produce castings according to different specifications when producing Yicheng manhole covers. Let's take a look together.
Ductile iron manhole covers must be rusted before use[2019-10-30]
Ductile iron manhole covers are a type of ductile iron products. Spheroidal graphite is obtained by spheroidizing and processing, which effectively improves the mechanical properties of cast iron, especially plasticity and toughness, so as to obtain higher strength than carbon steel. When cleaning the Hubei ductile manhole cover, you need to pay special attention to the following parts.
Avoid bitumen spray on the cover of the sewage well during the construction of the asphalt pavement[2019-10-30]
The composite manhole cover is made of high-molecular material, and the key internal skeleton is made of construction steel bars. It has been manufactured through high-temperature compression molds. The maximum compressive strength can bear a net weight of 60 tons. Below Gucheng manhole cover manufacturers will tell you about common problems in the installation of Gucheng composite manhole cover.