{"data":{"id":"us/46-cfr-162.018-6","jurisdiction":"us","citation":"46 CFR 162.018-6","heading":"-6 Marking.","body":"(a) Each safety relief valve shall be plainly marked by the manufacturer with the required data in such a way that the marking will not be obliterated in service. The marking may be stamped on the valve or stamped or cast on a plate securely fastened to the valve. The marking shall include the following data:\n(1) The name or identifying trademark of the manufacturer.\n(2) Manufacturer's design or type number.\n(3) Size ____ inches. (The pipe size of the valve inlet).\n(4) Set pressure ____ p.s.i.\n(5) Rated capacity ____ cubic feet per minute of the gas or vapor (at 60 °F. and 14.7 p.s.i.a.).\n(6) Coast Guard approval number. The minimum wording for showing approval shall be “USCG 162.018/* *” or “USCG 162.018-* * ”.\n(b) [Reserved]","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER Q—EQUIPMENT, CONSTRUCTION, AND MATERIALS: SPECIFICATIONS AND APPROVAL","PART 162—ENGINEERING EQUIPMENT","Subpart 162.018—Safety Relief Valves, Liquefied Compressed Gas"],"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":"bbc9a907f633dc84dd2e15ab549e5fe157e5895f29432a7d07a501105e677d59","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-162.018-5","next":"us/46-cfr-162.018-7"},"notice":"GroundRules: Original legal text. Not legal advice."}