StacksVerified U.S. regulatory reference

46 CFR §154.701

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Except as allowed under § 154.703, cargo tanks must:
  1. (a)Have their safety relief valves set at a pressure equal to or greater than the vapor pressure of the cargo at 45 °C (113 °F) but not greater than the MARVS under § 154.405; or
  2. (b)Be refrigerated by a system meeting § 154.702, and each refrigerated incompatible cargo refrigerated by a separate system.