{"data":{"id":"us/46-cfr-64.71","jurisdiction":"us","citation":"46 CFR 64.71","heading":"Marking of pressure relief devices.","body":"A pressure relief device must be plainly and permanently marked with the—\n(a) Set pressure rating;\n(b) Rated flow capacity expressed as cubic feet of standard air (60 °F 14.7 psia) per minute and the pressure at which the flow capacity is determined;\n(c) Manufacturer's name and identifying number; and\n(d) Pipe size of inlet.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER F—MARINE ENGINEERING","PART 64—MARINE PORTABLE TANKS AND CARGO HANDLING SYSTEMS","Subpart C—Pressure Relief Devices and Vacuum Relief Devices for MPTs"],"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":"ac4b51af09d00f901ed358db5e2c987a69c985b269519989023a2f31df14209d","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-64.69","next":"us/46-cfr-64.77"},"notice":"GroundRules: Original legal text. Not legal advice."}