{"data":{"id":"us/46-cfr-154.540","jurisdiction":"us","citation":"46 CFR 154.540","heading":"Quick-closing shut-off valves: Emergency shut-down system.","body":"The quick-closing shut-off valves under §§ 154.530, 154.532, and 154.538 must have an emergency shut-down system that:\n(a) Closes all the valves;\n(b) Is actuated by a single control in at least two locations remote from the quick-closing valves;\n(c) Is actuated by a single control in each cargo control station under § 154.320; and\n(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.","path":["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"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"027a7a46a7689363ec7a4ae6a1a6b9f99f5a1ba7af92d5e496729d03362640e0","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-154.538","next":"us/46-cfr-154.544"},"notice":"GroundRules: Original legal text. Not legal advice."}