---
title: Equivalent Flow Capacity of Various Pipe Materials
description: Design of a non-pressure sewerage system requires selection of adequately sized pipe to carry maximum predicted flow, at a given slope, without flooding.
---

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# [Equivalent Flow Capacity of Various Pipe Materials](https://resources.concretepipe.org/dd18-equivalent-flow-capacity-of-various-pipe-materials)

 Written by [Design Data](https://resources.concretepipe.org/author/design-data) | 10/4/21 6:42 PM

## Design Data 18:  Equivalent Flow Capacity of Various Pipe Materials

Design of a non-pressure sewerage system requires selection of adequately sized pipe to carry maximum predicted flow, at a given slope, without flooding. If more than one type of pipe is considered, all pipe sizes of the various materials must have equivalent flow capacity. 

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