Insulating it
You don't, you remove the plastic junk and replace the toxic plasatic with cast iron
You wold join asbestos pipe and iron pipe with great care, being sure to avoid disturbing the asbestos pipe or releasing dust. The best solution would be to remove the asbestos pipe (following established procedures to ensure it is done properly, by qualified people) and run new pipe.
galvanize wrought iron pipe
Bi pipe is a black iron pipe.
Galvanized Iron pipe
You don't, you remove the plastic junk and replace the toxic plasatic with cast iron
You wold join asbestos pipe and iron pipe with great care, being sure to avoid disturbing the asbestos pipe or releasing dust. The best solution would be to remove the asbestos pipe (following established procedures to ensure it is done properly, by qualified people) and run new pipe.
Asbestos pipe is made of cement that contains asbestos fibers. Iron pipe is made from cast iron.
This takes a while, but should work. Use a hacksaw blade on the inside of the pipe and cut just through the pipe in two or three places depending on the size of the pipe. Once it is cut, you can pry the pieces out of the cast iron body.
galvanize wrought iron pipe
Bi pipe is a black iron pipe.
GI Pipe is "Galvanized Iron" Pipe. These days the pipe will likely be made from steel rather than iron.
Cast iron is not threaded, steel pipe is.
was asbestos used in production of cast iron pipe
PVC plastic is one type of pipe that does not contain iron.
Galvanized Iron pipe
Yes. Since radiation includes infrared, which of course is emitted by an iron.