{"data":{"id":"us/46-cfr-154.544","jurisdiction":"us","citation":"46 CFR 154.544","heading":"Quick-closing shut-off valves.","body":"The quick-closing shut-off valve under §§ 154.530, 154.532 and 154.538 must:\n(a) Be a shut-off valve;\n(b) Close from the time of actuation in 30 seconds or less;\n(c) Be the fail-closed type; and\n(d) Be capable of local manual closing.","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":"adb75b835ee2f8e61c1290eabd2099c049989036338bc0cd801e50570db54930","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-154.540","next":"us/46-cfr-154.546"},"notice":"GroundRules: Original legal text. Not legal advice."}