The type of pipes used in water utilities greatly depends on purpose and placement. For example, there are certain pipes which are better suited to distributing fresh drinking water, while others are indispensable in wastewater drainage.
Here are some of the most common pipes (and a few less common types) that are used today:
Plastic
PVC pipes (Polyvinyl chloride)
PVC pipes are among the most widely used materials in water systems. They are lightweight, affordable, and corrosion-resistant, making them ideal for underground water supply lines, drainage and sewer systems.
PEX pipes (Cross-linked polyethylene)
These flexible pipes are mainly used for indoor residential and commercial plumbing. Their flexibility allows for easy installation, especially in tight spaces. Despite being resistant to freezing, they are not commonly used outdoors.
ABS pipes (Acrylonitrile butadiene styrene)
Also called “Black pipes,” ABS pipes are impact-resistant and work well in cold conditions, making them perfect for wastewater management. You’ll find these pipes in residential and commercial drainage or sewage systems.
Metal
Copper pipes
Copper pipes are often used to carry drinking water inside buildings because they are durable, heat-resistant, and have natural antibacterial properties. They also last a long time, which is why they are more expensive than plastic options.
Galvanized steel pipes
Steel pipes are largely out of use these days, but you can still find them in the plumbing system of older homes. They are prone to severe rust, but (something positive)
Cast iron pipes
Similar to steel pipes, cast iron pipes are the hallmark of older infrastructure, but they can also be found in some modern systems. They are typically used beneath roads and buildings, specifically in sewer and stormwater systems, because they are extremely durable and reduce noise.
In the next article, we’ll consider the advantages of PCV pipes and why they have become so widely used in water management.
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