Types of plumbing pipes

Probably the most common kind of piping used in the home is galvanized steel. This pipe is rust and acid resistant and it is inexpensive, but it will eventually rust and have to be replaced. Also the inside of the pipe is extremely rough and provides an excellent surface to which minerals can cling. As there is no practical method of removing these minerals, new pipe will have to be installed.

Brass pipe has several advantages over galvanized steel. A brass plumbing system should last as long as the house, since brass will not rust and effectively resists corrosion by acid. The inside of brass pipe is smooth, and this smooth surface reduces the friction of water flowing through the pipe.

Thus, a greater volume of water can flow through a brass pipe than through a galvanized pipe of the same diameter. This advantage should be taken into consideration when replacing galvanized pipe, for while the brass pipe is more expensive, a smaller size can be used.

Copper tubing is well suited to interior plumbing when it would be difficult or too expensive to install rigid piping. Copper tubing can be bent enough to run through partitions and around beams. It is often used as a replacement for galvanized pipe or for installing a plumbing system in a house after the house has been completed.


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