Full Analysis of Precautions for Installing Spherical Ink Well Cover

The brick masonry construction of cast iron manhole covers should be determined according to the manhole cover size designed by the design institute, including its inner diameter or length * width, and radius (if constructed according to the actual sample... it is good), and corresponding standards can also be followed. When building a well, it is important to note that the inner diameter of the wellhead should match the inner diameter of the well cover and grate, and the installed well cover should be level with the road surface. After pouring and laying the well seat with concrete or asphalt, the cover should be opened and cleaned in a timely manner to prevent mortar or asphalt from pouring the inspection well cover and seat together, so as not to affect future opening.

Four steps for installing composite manhole covers

When installing composite manhole covers on cement roads, it is important to ensure that the masonry at the wellhead is poured with concrete and a concrete protective ring is established around the perimeter for maintenance for about 10 days.

According to the bearing capacity, ductile iron manhole covers can be divided into six grades

Although there are many types of manhole covers, ductile iron manhole covers are still widely used. This also reflects everyone's recognition of the manhole cover function of ductile iron. In order to meet the needs of different purposes, ductile iron manhole covers are also divided into many grades, and different grades do not bear pressure. Let's take a look at the classification criteria for ductile iron manhole covers.