What device stops cargo flow automatically if loading arms move beyond safe limits?
Direct Answer
Option A: Emergency Release Coupling (ERC) / PERS
Powered Emergency Release Systems (PERS) incorporate Emergency Release Couplings (ERC) with hydraulic ball valves and break-links. These mechanisms automatically shut off flow and part cleanly if manifold loads exceed safe limits due to vessel drift or sea action.
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Detailed Explanation & Context
Powered Emergency Release Systems (PERS) incorporate Emergency Release Couplings (ERC) with hydraulic ball valves and break-links. These mechanisms automatically shut off flow and part cleanly if manifold loads exceed safe limits due to vessel drift or sea action.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Liquefied Gas Tanker Cargo Operations (LGTCO/LGTF).
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