{"data":{"id":"us/46-cfr-53.05-1","jurisdiction":"us","citation":"46 CFR 53.05-1","heading":"-1 Safety valve requirements for steam boilers (modifies HG-400 and HG-401).","body":"(a) The pressure relief valve requirements and the safety valve requirements for steam boilers must be as indicated in HG-400 and HG-401 of Section IV of the ASME BPVC (incorporated by reference; see § 53.01-1) except as noted otherwise in this section.\n(b) Each steam boiler must have at least one safety valve.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER F—MARINE ENGINEERING","PART 53—HEATING BOILERS","Subpart 53.05—Pressure Relieving Devices (Article 4)"],"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":"81b14a35a7dbc23c589106f39fea6ecbfb700eb1a33cfd4657fbd15ebb4bf345","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-53.01-10","next":"us/46-cfr-53.05-2"},"notice":"GroundRules: Original legal text. Not legal advice."}