How can ductile iron pipes be connected to steel tubes?
But pay attention, because ductile iron pipe material is crisp, and the two connecting flange sealing surface is best all the plane, in order to prevent the uneven force and damage to cast iron flange.
First insert a flange plate on the ductile iron pipe and then screw it with the flange on the weld pipe.
Disk or disk plug connection, it is best to use flange connection.
