StacksVerified U.S. regulatory reference

46 CFR §64.91

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
The cargo pump discharge must have a relief valve that is—
  1. (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
  2. (b)Set at the maximum design pressure of the piping and discharge hose, or less.