Couplings are another well-liked choice for connecting galvanized pipe without threads. They are available in a variety of forms, including slip couplings, drive-suit couplings, and compression couplings. The installation course of action may differ a little bit according to the form of coupling applied, but frequently involves: Power and durability: https://www.malleableiron-pipefitting.com/industry-knowledge/how-to-connect-non-threaded-galvanized-pipes.html