{"data":{"id":"us/46-cfr-154.532","jurisdiction":"us","citation":"46 CFR 154.532","heading":"Valves: Cargo tank MARVS greater than 69 kPa gauge (10 psig).","body":"(a) Except connections for tank safety relief valves and except for liquid level gauging devices other than those under §§ 154.536 and 154.1310, liquid and vapor connections on a cargo tank with a MARVS greater than 69 kPa gauge (10 psig) must have, as close to the tank as practical, a:\n(1) Stop valve capable of local manual operation; and\n(2) A remotely controlled quick-closing shut-off valve.\n(b) If the nominal pipe size of a liquid or vapor connection is less than 50 mm (2 in.), an excess flow valve may be substituted for the quick-closing valve under paragraph (a) of this section.\n(c) One valve may be substituted for the manual controlled stop valve and the remotely controlled quick-closing shut-off valve required under paragraph (a) of this section if that valve:\n(1) Meets §§ 154.540 and 154.544; and\n(2) Is capable of local manual operation.","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":"a90e639a8bb1fa11065d390ed2a142615c388619d16f023803274f8303a9edf2","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-154.530","next":"us/46-cfr-154.534"},"notice":"GroundRules: Original legal text. Not legal advice."}