46 CFR § 38.25-10 - Safety relief valves—TB/ALL.

---
identifier: "/us/cfr/t46/s38.25-10"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 38.25-10 - Safety relief valves—TB/ALL."
title_number: 46
title_name: "Shipping"
section_number: "38.25-10"
section_name: "Safety relief valves—TB/ALL."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "D"
subchapter_name: "TANK VESSELS"
part_number: "38"
part_name: "LIQUEFIED FLAMMABLE GASES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 2103, 3306, 3703; 49 U.S.C. 5101, 5106; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; Department of Homeland Security Delegation No. 0170.1."
regulatory_source: "CGFR 66-33, 31 FR 15269, Dec. 6, 1966, unless otherwise noted."
cfr_part: "38"
---


# 38.25-10 Safety relief valves—TB/ALL.

(a) The cargo tank safety relief valves shall be inspected at least once in every 2 years.

(b) The safety relief valve discs must be lifted from their seats in the presence of a marine inspector by either liquid, gas, or vapor pressure at least once every 5 years to determine the accuracy of adjustment and, if necessary, must be reset.

[CGFR 66-33, 31 FR 15269, Dec. 6, 1966, as amended by CGD 95-027, 61 FR 26000, May 23, 1996]