Functions and Differences between Schedule 40 and Schedule 80 PVC Pressure Pipe

PVC Pressure piping is used to contain fluids at a high pressure. Many modern construction projects use PVC water pressure pipes for cold-water and air pressure applications. Upgrade the pvc pressure pipes in your home with a large selection of PVC pressure pipes from WT.

The content list of this article:

  • The difference between PVC pressure pipes
  • The role of PVC pressure pipe
  • How to choose the size of PVC pressure pipe
  • Summarize

 

The difference between PVC pressure pipes

The most used types of PVC pipe are schedule 40 and schedule 80 pipes. Both pipe types have the same outer diameter, so to help you tell them apart, most manufacturers make schedule 40 pipes white and schedule 80 pipes gray.

Although their outside diameter is the same, schedule 40 PVC pressure pipes have a larger inside diameter than schedule 80 PVC pressure pipes due to the thicker walls of schedule 80 PVC pressure pipes.

Schedule40 and80 pvc pipe fitting

 

The role of PVC pressure pipe

Schedule 40 PVC pressure pipe: Used for sanitary drain, waste, and vent (DWV), irrigation systems, storm drains and other applications involving relatively low pressure, a schedule 40 pvc pressure pipe is suitable for most business and home improvement projects.

Schedule 40 PVC pressure pipe applications

 

Schedule 80 PVC pressure pipe: A high-pressure pipe most commonly used in industrial and chemical applications; the thicker interior walls can restrict the flow of water. However, this enables these pipes to carry water at very high pressures.

Schedule 80 PVC Pressure Pipe

 

How to choose the size of PVC pressure pipe

All sizes of PVC pressure pipes and fittings have a maximum pressure rating, which is listed in pounds per square inch (psi). Choosing the right pressure rating for the job is essential, since using schedule 40 PVC water pressure pipes and fittings for a high-pressure job that requires schedule 80 PVC can severely damage the pipe—and the system it’s working with. The larger the pipe, the lower its maximum operating pressure.

pvc-pipes-pressure

 

Summarize

Shop PVC pressure Pipes at WT
Browse the selection of Schedule 40, Schedule 80 and PVC high-pressure pipes at WT, available from leading manufacturer WT. Whether you’re installing a sprinkler system or replacing an old drain, we have the pvc pressure pipes you need.

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