---identifier: "/us/cfr/t46/s153.284"source: "ecfr"legal_status: "authoritative_unofficial"title: "46 CFR § 153.284 - Characteristics of required quick closing valves."title_number: 46title_name: "Shipping"section_number: "153.284"section_name: "Characteristics of required quick closing valves."chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"subchapter_number: "O"subchapter_name: "CERTAIN BULK DANGEROUS CARGOES"part_number: "153"part_name: "SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS"positive_law: falsecurrency: "2026-04-05"last_updated: "2026-04-05"format_version: "1.1.0"generator: "[email protected]"authority: "46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1. Section 153.40 issued under 49 U.S.C. 5103. Sections 153.470 through 153.491, 153.1100 through 153.1132, and 153.1600 through 153.1608 also issued under 33 U.S.C. 1903 (b)."regulatory_source: "CGD 73-96, 42 FR 49027, Sept. 26, 1977, unless otherwise noted."cfr_part: "153"---
Identifier
/us/cfr/t46/s153.284
Currency
2026-04-05
Positive Law
No
Updated
2026-04-05
Chapter
Coast Guard, Department of Homeland Security
Authority
46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1. Section 153.40 issued under 49 U.S.C. 5103. Sections 153.470 through 153.491, 153.1100 through 153.1132, and 153.1600 through 153... 46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1. Section 153.40 issued under 49 U.S.C. 5103. Sections 153.470 through 153.491, 153.1100 through 153.1132, and 153.1600 through 153.1608 also issued under 33 U.S.C. 1903 (b).
# 153.284 Characteristics of required quick closing valves.A remotely actuated quick closing shutoff valve required by § 153.530(n) must:(a) Be a positive shutoff valve;(b) Be of the fail-closed type that closes on loss of power;(c) Be capable of local manual closing;(d) Close from the time of actuation in 30 seconds or less; and(e) Be equipped with a fusible element that melts at less than 104 °C (approx. 220 °F) and closes the valve.[CGD 78-128, 47 FR 21208, May 17, 1982; 47 FR 27293, June 24, 1982]