For a successful career as a plumbing professional, you’ll need to know which to use for specific plumbing systems.įAQ How many types of water pipes are there? Conclusionĭifferent plumbing pipe types are reserved for different purposes. These types of pipes have largely been replaced by copper or PEX pipes in residential plumbing repairs. Over time, this will affect its ability to maintain a clean water supply. Unfortunately, cast-iron pipe is prone to rust and corrosion. Their popularity largely stemmed from the fact that they are heat-resistant and reduce the sound of moving water. Still, cast iron plumbing pipes are incredibly durable and remain in use for parts of water distribution systems today.Ĭast iron pipes were typically used as sewer pipes or other drainage purposes. Cast Iron and Galvanized Steel PipesĬast iron pipe and galvanized steel pipe are rarely included in new construction, though they are commonly found in homes built in the early 20th century. As the price of copper continues to rise, so will the costs of any project involving copper pipe. It is also the most expensive type of plumbing pipe. Because it is so rigid, plumbers cannot use copper piping in tight spaces. That said, are a few drawbacks to consider. It’s also able to be recycled, making it a somewhat environmentally-friendly option. Cross-linked polyethylene pipe is also color-coded for hot and cold water, making it easy for plumbers to identify and organize when on the job.Ĭopper pipes are able to handle high water pressure and are tolerant of both hot and cold water temperatures. At the same time, they’re strong enough to withstand the pressures of your water supply. Professionals remain drawn to PEX pipes because they are flexible and easy to weave through walls, ceilings, basements, and crawl spaces. Similar to PVC piping, it prevents rust or corrosion from leaching into the water. PEX, or cross-linked polyethylene, piping also refers to an affordable plastic tubing commonly used for water supply lines. It is for this reason that some states have banned PVC plumbing pipes from transporting drinking water. Though PVC piping meets all standards set by the American National Standards Institute, there are concerns that it may introduce polyvinyl chloride chemicals into drinking water, potentially causing respiratory and reproductive issues. PVC pipes contain a smooth inner lining as well, which protects against sediment buildup and makes them more resistant to blockages.ĭrawbacks surrounding PVC pipe include limited size options, an inability to withstand hot water, and concerns over toxicity. It is also a lighter-weight material, making it easier to work with than the more traditional galvanized steel piping options. This is why it can also serve as your home’s main water supply line. PVC pipe is also able to handle high water pressure. Unless they are subject to some kind of damage, PVC pipes will last indefinitely. This capability also makes PVC pipe incredibly durable. Its plastic tubing is ideal for this kind of usage because it protects the water from rust and corrosion better than other types of pipes. Polyvinyl chloride pipes (PVC) are commonly used as part of a sink, toilet, or shower drain line.
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