How To Separate Cast Iron Pipe Joints


How do you loosen cast iron pipe fittings? (video)

How are cast iron pipes joined?

There are generally three methods used for joining cast iron soil pipe. Hub and spigot cast iron soil pipe may be joined by the compression gasket or a caulked joint. Hubless cast iron soil pipe are joined by using a hubless coupling. via

How do you break cast iron pipes with a hammer?

Hit the back of the chisel with a hammer. Move the chisel along the cast iron pieces while striking it with the hammer until the larger pieces break. Continue with the chisel and hammer until the cast iron breaks into manageable pieces. via

Can you unscrew cast iron pipe?

Hitting the cast iron pipe fittings with a hammer will cause the rust to come loose further and will make it easier for you to remove the pipe. Be careful not to use too much force, or you might do more harm than good by damaging the pipe. A few solid hits will probably do the job. via

How do you unstick pipe threads? (video)

How do you remove old cleanout plugs?

If the plug breaks loose, you're home free. Start cleanout plug removal by applying gentle heat to the cleanout plug and fitting to soften the old pipe dope (Photo 1). If that doesn't work, wait for the pipe to cool, apply rust penetrant, and then apply double hammer blows around the fitting (Photo 2). via

Do cast iron pipes need to be replaced?

Based on the fact that all cast iron sewer pipes will need to be replaced, we strongly recommend that cast iron pipe under a concrete slab be replaced and not repaired. via

Can you connect PVC pipe to cast iron?

Though not as easy as using Fernco special rubber donut, you can use lead to connect PVC into a cast iron hub too. If done well, the lead works just fine – simply make the right alignment and pour the molten lead in the joint and you're toast. via

How do you remove old cast iron pipes?

  • Install a 14/-inch drill bit into a cordless drill.
  • Pry out the lead, using a flathead screwdriver.
  • Fit the chain on the snap-cutters around a cast-iron pipe to cut it into shorter sections.
  • Compress the handles to snap-cut the pipe at that point.
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    What is the best way to cut cast iron pipe? (video)

    What is the best way to cut cast iron?

    But when cutting through solid cast iron, a saw or cutting tool with a diamond saw blade is the best choice to make a cut in a straight line. via

    How do you chill cast iron?

    Cast iron and cast steel

    A chilled iron casting can be produced by adjusting the carbon composition of the white cast iron, so that the normal cooling rate at the surface is just fast enough to produce white cast iron, whereas the slower cooling rate below the surface will produce gray iron. via

    How do you clear a clogged pipe?

    Start by pouring boiling hot water down your drain then add ½ cup of baking soda. Let that sit for a few minutes. Follow by pouring a mixture of 1 cup vinegar and 1 cup of boiling water again. You can cover the drain with a plug to let the mixture react for 5-10 minutes. via

    How do you remove old lead and Oakum joints?

    Remove all of the Oakum using pliers, scrapers or a rotary tool. (Because Oakum will burst into flame if you get it hot and expose it to air, it's covered in tar after all…) At this point you can use a small blowtorch to slowly melt the remaining lead. via

    How do you remove the cap from a cast iron pipe? (video)

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