CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER O—CERTAIN BULK DANGEROUS CARGOES (parts 150 to 155) > PART 154—SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES > SUBPART C—Design, Construction and Equipment (§154.170 to §154.1440) > 154.540—Quick-closing shut-off valves: Emergency shut-down system.

154.540—Quick-closing shut-off valves: Emergency shut-down system.

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.