How to Splice Galvanized Pipes


When installing water lines or gas lines made of galvanized steel you will have to splice many galvanized pipes together. Splicing two galvanized pipes together can be difficult but can be done with the right directions and instructions. Properly splicing the galvanized pipes is important to ensure no water or gas leaks occur at the splice. Once you properly splice two galvanized steel pipes together you will be able to use the pipes to run water or gas through them safely.

Things You'll Need

  • Pipe vise
  • Rotary pipe cutter
  • Coupling
  • Pipe thread compound
  • Pipe wrench
  • Place one of the piece of galvanized steel pipe you want to splice into the pipe vise. Tighten the pipe vise so the pipe is secured to the vise.

  • Spread a thin layer of pipe thread compound on the threading where you will splice the pipe.

  • Screw on the coupling to the threaded end of the pipe. Hand tighten the coupling until you can no longer tighten it with your hands. Secure the pipe wrench to the coupling and continue tightening the coupling until it is tight.

  • Apply pipe thread compound to the threading of the other steel pipe, you will be splicing with the pipe in the pipe vise.

  • Screw the pipe to the other end of the pipe coupling, with your hands. Finish tightening the pipe by attaching the pipe wrench to the pipe and tightening it. The pipes are now spliced together. You can continue splicing more pipes together by attaching more couplings to the end and securing another pipe to the coupling.

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