You can make a transition in the same way that you do for water pipes but it isn t necessary.
Connecting pvc to galvanized drain pipe.
This helps solid materials flow by the connection without getting hung up.
The easiest method of cutting the galvanized is by using a reciprocating saw.
Support the pipe above and below with riser clamps so it cannot drop or sway as you work and so the pvc fitting will not have to bear the weight of the drain.
When you feel that you can no longer turn the pipe by hand then switch to pipe wrench and turn the fitting 1 2 turns to secure the pvc fitting.
Use this link for more information on connecting abs to pvc.
If you plan to connect to an existing pvc farther down the drain line cut the.
For example a di restraint gasket may not work on pvc pipe that is designed to work on di pipe.
You probably will need to install a new stud or two as well as blocking for the upper clamp.
This video covers how to connect a galvanized pi.
Yes you can do this by using fernco coupling found at any decent hardware store or plumbing supply.
Mark and cut the desire length of pipe from the end of the lead pipe and the end of the pvc using the reciprocating saw.
Make the cut anywhere between two threaded couplings.
Make two cuts one near each coupling.
Arrange the fittings so the water flows past the threads on the male fitting not into them.
Measure the diameter of each pipe with the tape measure or ruler.
Connecting galvanized and pvc drain pipes drain pipes aren t under pressure so you don t have to be as concerned about leaks.
If the pipe is.
When connecting di pipe to an existing steel pipe concrete pressure pipe ac or other pipe it may be necessary to expose the existing pipe to determine the type size od and if possible manufacturer of the existing pipe.
Apply pipe thread tape before screwing them together and then glue the pipes into the fittings using the proper cement.