Couplings are An additional preferred option for connecting galvanized pipe with out threads. They are available in numerous kinds, such as slip couplings, drive-fit couplings, and compression couplings. The installation approach may differ slightly according to the style of coupling made use of, but generally requires: Connecting PEX to galvanized https://www.malleableiron-pipefitting.com/industry-knowledge/how-to-connect-non-threaded-galvanized-pipes.html