What problems should be paid attention to during the use of spiral duct?

Spiral ducts cannot be placed directly on the rock or concrete foundation bed. Because of the too rigid support, they will not only reduce the outstanding flexibility of the pipe wall itself, but also reduce the load-bearing capacity of the culvert. Therefore, a part of soft rock should be excavated from the rock foundation and compacted carefully.

Air ducts and spiral ducts, they are all air ducts, and spiral ducts are one of the air ducts, which are more commonly used. Therefore, for us, no matter which is, we need to learn and understand continuously. Only then can we adjust to one-sided familiarity and understanding of the duct products on the website, and increase our common sense in this area.