Current through November 30, 2024
Section 154.540 - Quick-closing shut-off valves: Emergency shut-down systemThe 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.