To scour them use a water Jetter as it removed years of build up soap scum and grease deposits and scale.
Concrete and cast Iron pipes are made of cast iron and plastic piping systems normally use plastics
To connect PVC to cast iron pipes, you can use a rubber coupling with stainless steel clamps. Make sure the pipes are clean and dry before attaching the coupling. Tighten the clamps securely to create a watertight seal between the PVC and cast iron pipes.
Yes, they can be opened for routine sewer and drain and leader cleaning
Lots of penetrating oil and / or carefully heating with a flame.
Rusted cast iron.
I'm not sure, I believe so though.
cast iron
Welding with cast iron welding rods
4" is the standard house sewer main
The best way to connect a cast iron pipe to a PVC pipe using a cast iron to PVC adapter is to first clean and prepare the ends of both pipes, then apply a suitable adhesive or sealant to the adapter and securely attach it to both pipes according to the manufacturer's instructions.
galvanized water lines, cast iron drain lines, sometimes lead pipes, terracotta or clay pipes, and in rare cases wooden pipes.
The best way to cut a cast iron pipe is to use a reciprocating saw with a metal-cutting blade or a snap cutter specifically designed for cutting cast iron. These tools are effective in making clean and precise cuts in cast iron pipes.