---
kind: "section"
citation: "46 C.F.R. § 108.475"
title: "46"
number: "108.475"
heading: "Piping."
url: "https://uscodex.org/cfr/46/108.475"
---

# §108.475. Piping.

- (a) Each pipe, valve, and fitting in a foam extinguishing system must meet the applicable requirements in Subchapter F of this chapter.
- (b) Each pipe, valve, and fitting made of ferrous material must be protected inside and outside from corrosion.
- (c) Each pipe, valve, and fitting must have support and protection from damage.
- (d) Each foam extinguishing system must have enough—
  - (1) Dirt traps to prevent the accumulation of dirt in its pipes; and
  - (2) **Drains to remove liquid from the system.**
- (e) Piping in a foam extinguishing system must be used only for discharging foam.

## Notes

### Authority

Authority: 43 U.S.C. 1333; 46 U.S.C. 3102, 3306; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGD 73-251, 43 FR 56808, Dec. 4, 1978, unless otherwise noted.