46 CFR 64.91 - Relief valve for the cargo pump discharge.

Regulations last checked for updates: May 06, 2025

Title 46 - Shipping last revised: Mar 17, 2025

View all text of Subpart F [§ 64.87 - § 64.97]

§ 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.

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

cite as: 46 CFR 64.91