{"data":{"id":"us/49-cfr-178.255-7","jurisdiction":"us","citation":"49 CFR 178.255-7","heading":"-7 Protection of valves and accessories.","body":"(a) All valves, fittings, accessories, safety devices, gauging devices, and the like shall be adequately protected against mechanical damage by a housing closed with a cover plate.\n(b) Protective housing shall comply with the requirements under which the tanks are fabricated with respect to design and construction, and shall be designed with a minimum factor of safety of four to withstand loadings in any direction equal to two times the weight of the tank and attachments when filled with water.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—HAZARDOUS MATERIALS REGULATIONS","PART 178—SPECIFICATIONS FOR PACKAGINGS","Subpart H—Specifications for Portable Tanks"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"a89c6f486755c7af691619f100e31e9dba619c42daa48b6c019a2c6465f5c766","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-178.255-6","next":"us/49-cfr-178.255-8"},"notice":"GroundRules: Original legal text. Not legal advice."}