Before starting today’s summary, the editor of Kingmetal would like to ask everyone if you have noticed a problem, that is, there will be words on the manhole covers on the road. If there is a dirty word, then you know what the above only means, and what are the functions, so today let the manhole cover manufacturer summarize it in detail for friends.

     Not all the manhole covers encountered in life are domestic sewage, and there are some cables, so what do the words on the manhole cover represent?

     Waste: Inspection wells for pipelines dedicated to industrial wastewater.

     Electricity: buried cable line inspection well.

     Pollution: Inspection wells for domestic sewage and other urban sewage special pipelines.

     Rain: special pipeline inspection well for rainwater discharge.

     Water: domestic water pipeline inspection well.

     There is still a lot of knowledge about manhole covers, such as model size and materials, there are cast iron manhole covers, nodular cast iron manhole covers, composite manhole covers, hollow manhole covers, etc. Their materials are different, and the places they are used are also different. So friends, if you If you are interested in manhole covers, you can pay attention to our Kingmetal, and we will continue to summarize product knowledge about manhole covers for you. So stay tuned! .