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Types of Copper Pipes and Their Uses

Copper Pipes

Copper pipes are typically used for plumbing and heating systems due to their durability and resistance to corrosion. They are available in different forms, each designed for specific applications. As a homeowner, business owner, or plumbing professional, choosing the right type of copper pipe for your project is crucial to ensure efficient and cost-effective installation. This article will explore the different types of copper pipes and their uses.

Types of Copper Pipes and Their Uses

Type M Copper Pipe

Type M is the most common and affordable type of copper pipe. It has a thinner wall than other types, making it ideal for residential and light commercial plumbing projects, like faucets and toilets. It is also available in sizes ranging from ¼ inch to 8 inches, making it a versatile option for various applications.

Type L Copper Pipe

Type L is thicker than Type M and has a higher copper content, making it more expensive. It is commonly used in commercial and industrial settings and can withstand higher pressures and temperatures than Type M. Type L pipes are ideal for projects that require durability, such as underground water mains and fire sprinkler piping.

Type K Copper Pipe

Type K is the thickest and most expensive type of copper pipe. It has the highest copper content and can withstand the highest pressures and temperatures, making it ideal for demanding applications. It is commonly used in large commercial and industrial projects, such as gas lines and chemical transport.

DWV Copper Pipe

DWV stands for Drain, Waste, and Vent, and it is used for carrying waste or potable water out of a building. DWV copper pipe is thinner and has a less durable build than other types of copper pipes. It is unsuitable for pressurized water systems and is typically used in non-pressurized drain and vent applications, like sinks and toilets.

Refrigeration Copper Pipe

Refrigeration copper pipes are primarily used in air conditioning and refrigeration systems. They come in two types: soft copper pipe and hard copper pipe. Soft copper pipes are more flexible and easily bend, making them suitable for small spaces and tight corners. Hard copper pipes, conversely, are more rigid and durable, making them ideal for long runs and outdoor applications.


Choosing the right type of copper pipe is essential for any plumbing project. With this guide, you now better understand the different types of copper pipes and their uses. Consider the size, thickness, and intended application of your project when selecting the appropriate type of copper pipe. Whether you are a DIY enthusiast or a professional plumber, always prioritize safety, durability, and efficiency in your projects.

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