The quick-closing shut-off valves under §§ 154.530, 154.532, and 154.538 must have an emergency shut-down system that:
(a) Closes all the valves;
(b) Is actuated by a single control in at least two locations remote from the quick-closing valves;
(c) Is actuated by a single control in each cargo control station under § 154.320; and
(d) Has fusible elements at each tank dome and cargo loading and discharge manifold that melt between 98 °C (208 °F) and 104 °C (220 °F) and actuate the emergency shut-down system.
source: CGD 74-289, 44 FR 26009, May 3, 1979, unless otherwise noted.
cite as: 46 CFR 154.540