---
kind: "section"
citation: "46 C.F.R. § 154.1125"
title: "46"
number: "154.1125"
heading: "Pipes, fittings, and valves."
url: "https://uscodex.org/cfr/46/154.1125"
---

# §154.1125. Pipes, fittings, and valves.

- (a) Each pipe, fitting, and valve for each water spray system must meet [Part 56](/cfr/46/part56.md) of this chapter.
- (b) Each water spray main that protects more than one area listed in [§ 154.1110](/cfr/46/154.1110.md) must have at least one isolation valve at each branch connection and at least one isolation valve downstream of each branch connection to isolate damaged sections.
- (c) Each valved cross-connection from the water spray system to the fire main must be outside of the cargo area.
- (d) Each pipe, fitting, and valve for the water spray system must be made of fire resistant and corrosion resistant materials, such as galvanized steel or galvanized iron pipe.
- (e) Each water spray system must have a means of drainage to prevent corrosion of the system and freezing of accumulated water in subfreezing temperatures.
- (f) Each water spray system must have a dirt strainer that is located at the water spray system manifold or pump.

## Notes

### Authority

Authority: 46 U.S.C. 3703, 9101; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: CGD 74-289, 44 FR 26009, May 3, 1979, unless otherwise noted.