To connect unthreaded galvanized piping, you will need to make use of a coupling to put The 2 pipes collectively. Upon getting selected the right coupling, you have got to use fastening bolts in addition to a torque wrench to keep the two pipes coupled. Making sure that you can https://www.malleableiron-pipefitting.com/industry-knowledge/how-to-connect-non-threaded-galvanized-pipes.html