How Do You Remove Rusted Cast-Iron Pipe Fittings?
Pipe fittings connect section of pipes or tubing to allow for more flexibility in pipe lengths. There are a few reasons for removing pipe fitting such as repairing a leak or replacing the pipes. Cast-iron is one of the metals used to make the fittings. Because pipe fittings are exposed to moisture and water for long periods, rust is a common problem. There are a few methods available to remove rusted pipe fittings. The methods used depend on the extent of the rust. Cut off the water. Before you begin to remove the cast-iron pipe fitting, cut off the water or the steam that flows through the pipe. Lubricate the pipe fitting. Apply an oil-based lubricant to the pipe fitting and the connecting pipe. This helps to soften the rust. Use mineral oil for a lubricant. Apply this with a paper towel. According to the article “Rusted Pipes” on the Mr. Hardware website, products like WD-40, Liquid Wrench and PB Blaster also work well. Spray on one of these three products. Mr. Hardware says to “wait