This can compromise the power and integrity of your joint. To avoid porosity, clear away the zinc coating in the weld location. Location a coupling bolt on Each individual bolt hole and tighten the coupling bolts utilizing a wrench or socket wrench. Ensure to tighten the bolts evenly. In conclusion, https://www.malleableiron-pipefitting.com/industry-knowledge/how-to-connect-non-threaded-galvanized-pipes.html