46 CFR § 132.110 - Piping.

---
identifier: "/us/cfr/t46/s132.110"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 132.110 - Piping."
title_number: 46
title_name: "Shipping"
section_number: "132.110"
section_name: "Piping."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "L"
subchapter_name: "OFFSHORE SUPPLY VESSELS"
part_number: "132"
part_name: "FIRE-PROTECTION EQUIPMENT"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 3306, 3307; sec. 617, Pub. L. 111-281, 124 Stat. 2905; DHS Delegation 00170.1, Revision No. 01.4."
regulatory_source: "CGD 82-004 and CGD 86-074, 62 FR 49348, Sept. 19, 1997, unless otherwise noted."
cfr_part: "132"
---


# 132.110 Piping.

(a) Except as provided for liftboats by § 134.180 of this subchapter, each fitting, flange, valve, and run of piping must meet the applicable requirements of part 128 of this subchapter. Piping must be—

(1) Hot-dip galvanized;

(2) At least extra-heavy schedule; or

(3) Of a suitable corrosion-resistant material.

(b) Each distribution cut-off valve must be marked in compliance with § 131.820 of this subchapter.