{"data":{"id":"us/46-cfr-153.355","jurisdiction":"us","citation":"46 CFR 153.355","heading":"PV venting systems.","body":"When Table 1 requires a PV venting system, the cargo tank must have a PV valve in its vent line. The PV valve must be located between the tank and any connection to another tank's vent line (such as a vent riser common to two or more tanks).","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER O—CERTAIN BULK DANGEROUS CARGOES","PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS","Subpart B—Design 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":"7940854e1fe30f74d4f232f6b1fd0be9bf7b337c49550525536ef21c373e3de6","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-153.354","next":"us/46-cfr-153.358"},"notice":"GroundRules: Original legal text. Not legal advice."}