Some plastic piping materials have both nonpressure and pressure-application ratings.

Question

Quizplus · Accepted Answer

Some plastic piping materials, such as PVC, have both nonpressure and pressure-application ratings. The nonpressure rating is used for applications where the pipe is not subject to internal pressure, such as drainage systems, while the pressure rating is used for applications where the pipe is subject to internal pressure, such as water supply systems.

Some Plastic Piping Materials Have Both Nonpressure and Pressure-Application Ratings