copper pipe

Copper Pipes: Types, Sizes and Applications

August 13, 2014 in Pipe by

Copper PipeCopper pipes are popular in plumbing, cooling and heating systems. Here’s some basic information about this reliable, long-lasting material.

Types

There are two types of copper pipes: soft and hard.

Soft copper pipes are annealed to make them soft and flexible, and they can be bent so that they can travel around potential obstacles. Hard copper pipes are not annealed. They’re rigid, so fittings like elbows are needed to change the direction of the fluid flow.

Sizes

In the U.S., copper pipes often fall into one of four categories, based on their wall thicknesses.

Type K has the thickest walls and is often used underground, beneath streets and sidewalks.

Type L is one step down in thickness, and is often used for water supply in both residential and commercial buildings.

Type M is thinner still and also used for water supply.

Type DMW is the thinnest and primarily used in unpressurized applications, like waste lines or drains.

Advantages

Copper pipe offers a number of advantages, including:

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