StacksVerified U.S. regulatory reference

46 CFR §154.519

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)The liquid relief valve that protects the cargo piping system from liquid pressure exceeding the design pressure must discharge into:
    1. (1)A cargo tank; or
    2. (2)A cargo vent mast if that vent mast has a means for the detection and removal of the liquid cargo that is specially approved by the Commandant (CG-ENG).
  2. (b)A relief valve on a cargo pump that protects the cargo piping system must discharge into the pump suction.