Code of Federal Regulations (Last Updated: July 5, 2024) |
Title 46 - Shipping |
Chapter I - Coast Guard, Department of Homeland Security |
SubChapter O - Certain Bulk Dangerous Cargoes |
Part 154 - Safety Standards for Self-Propelled Vessels Carrying Bulk Liquefied Gases |
Subpart C - Design, Construction and Equipment |
Cargo Vent Systems |
§ 154.802 - Alternate pressure relief settings.
Latest version.
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§ 154.802 Alternate pressure relief settings.
Cargo tanks with more than one relief valve setting must have one of the following arrangements:
(a) Relief valves that:
(1) Are set and sealed under § 154.801(c);
(2) Have the capacity under § 154.806; and
(3) Are interlocked so that cargo tank venting can occur at any time.
(b) Relief valves that have spacer pieces or springs that:
(1) Change the set pressure without pressure testing to verify the new setting; and
(2) Can be installed without breaking the sealing wire required under § 154.801(c)(3).