To connect unthreaded galvanized piping, you must utilize a coupling to put the two pipes with each other. When you have selected the right coupling, you will have to use fastening bolts and a torque wrench to help keep the two pipes coupled. Making sure that you will get the https://www.malleableiron-pipefitting.com/industry-knowledge/how-to-connect-non-threaded-galvanized-pipes.html