---
kind: "section"
citation: "46 C.F.R. § 64.91"
title: "46"
number: "64.91"
heading: "Relief valve for the cargo pump discharge."
url: "https://uscodex.org/cfr/46/64.91"
---

# §64.91. Relief valve for the cargo pump discharge.


The cargo pump discharge must have a relief valve that is—

- (a) Fitted between the cargo pump discharge and the shut-off valve, with the relief valve discharge piped back to the cargo pump suction or returned to the tank; and
- (b) **Set at the maximum design pressure of the piping and discharge hose, or less.**

## Notes

### 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.