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Difference between Schedule 40 and 80

Difference between Schedule 40 and 80

As a professional, it’s important to know the difference between schedule 40 and 80 pipe. Both are widely used in many industries, but they have different capabilities and applications. Schedule 40 pipe is thinner and less expensive than schedule 80, making it ideal for light-duty applications. Schedule 80 pipe is thicker and more durable, making it better suited for heavy-duty applications. Knowing which type of pipe to use in any given situation can save time and money in the long run.

What is Schedule 40?

Schedule 40 is a class of pipe that is used for general purpose applications. The most common Schedule 40 material is PVC, although Schedule 40 fittings can be made from other materials, such as CPVC and polypropylene. Schedule 40 pipe is available in both rigid and flexible varieties, and can be used for everything from drain lines to carrying pressurized fluids. Schedule 40 fittings are typically produced in standard sizes ranging from 1/2-inch to 4-inches in diameter, and are available in a variety of different styles. Schedule 40 pipe and fittings are easy to find and relatively inexpensive, making them a popular choice for many different applications.

What is Schedule 80?

Schedule 80 is a type of pipe that is used for certain industrial applications. It is thicker than Schedule 40 pipe, and therefore can handle higher pressures. Schedule 80 pipe is also more resistant to corrosion and chemical damage. As a result, it is often used in environments where there are harsh conditions, such as in wastewater treatment facilities or chemical plants. In addition, Schedule 80 pipe can be used for carrying beverages and other liquids that are not corrosive. When selecting a Schedule 80 pipe for a project, it is important to consider the operating conditions and the specific requirements of the application. Schedule 80 pipe is an impressive product that can meet the needs of many different industries.

Difference between Schedule 40 and 80

Schedule 40 and Schedule 80 PVC pipes are the most common types of PVC pipe used for drinking water installations. Schedule 40 is typically thinner walled than Schedule 80. Schedule 40 is also more commonly used for irrigation because it is less expensive. Schedule 80 is thicker-walled and therefore has a higher pressure rating than Schedule 40. It is also more rigid, making it less likely to kink. Schedule 80 is most commonly used for drinking water lines and sewer lines.


If you are in the market for PVC piping, it is important to understand the difference between Schedule 40 and 80. Schedule 40 pipe is thinner and less durable than Schedule 80 pipe. It is also less expensive. If you need a pipe that will withstand heavy use, or if you need apipe that is resistant to corrosion, then you should choose Schedule 80. Thanks for reading!

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