---
kind: "section"
citation: "46 C.F.R. § 64.95"
title: "46"
number: "64.95"
heading: "Piping."
url: "https://uscodex.org/cfr/46/64.95"
---

# §64.95. Piping.

- (a) Piping, valves, flanges, and fittings used in the pumping system must be designed in accordance with [part 56](/cfr/46/part56.md) of this subchapter.
- (b) **A cargo loading and discharge header or manifold must—**
  - (1) Have stop valves to prevent cargo leakage; and
  - (2) **Be visible to the operator at the cargo pump controls.**
- (c) Each pipe and valve in the pumping system that has an open end must have a plug or cap to prevent leakage.
- (d) Each hose connection must be threaded or flanged except for a quick connect coupling that may be specifically accepted by the U.S. Coast Guard in accordance with the procedures in [§ 50.25-10](/cfr/46/50.25-10.md) of this subchapter.
- (e) A non-return valve must be in the pump discharge if a backflow condition may occur during pumping.
- (f) Any non-metallic flexible hose that is used in the piping system must comply with [§ 56.60-25(c)](/cfr/46/56.60-25.md?p=c) of this subchapter.

## Notes

### Amendments

[CGD 73-172, 39 FR 22950, June 25, 1974, as amended by USCG-2004-18884, 69 FR 58346, Sept. 30, 2004; USCG-2020-0634, 89 FR 50200, June 12, 2024]

### Authority

Authority: 46 U.S.C. 3306, 3703; 49 U.S.C. App. 1804; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.3.

### Source

Source: CGD 73-172, 39 FR 22950, June 25, 1974, unless otherwise noted.

### Amendments

[CGD 73-172, 39 FR 22950, June 25, 1974, as amended by USCG-2004-18884, 69 FR 58346, Sept. 30, 2004; USCG-2020-0634, 89 FR 50200, June 12, 2024]