---
kind: "section"
citation: "46 C.F.R. § 162.017-2"
title: "46"
number: "162.017-2"
heading: "Type."
url: "https://uscodex.org/cfr/46/162.017-2"
---

# §162.017-2. Type.


This specification covers the design and construction of pressure-vacuum relief valves intended for use in venting systems on all tank vessels transporting flammable or combustible liquids.


## Notes

### Amendments

[56 FR 35827, July 29, 1991, as amended by USCG-2020-0519, 89 FR 76704, Sept. 18, 2024]

### Source

Source: CGFR 50-9, 15 FR 1680, Mar. 25, 1950, unless otherwise noted.

### Authority

Authority: 33 U.S.C. 1321(j), 1903; 46 U.S.C. 3306, 3703, 4104, 4302; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; E.O. 12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; DHS Delegation 00170.1, Revision No. 01.4.

### Amendments

[56 FR 35827, July 29, 1991, as amended by USCG-2020-0519, 89 FR 76704, Sept. 18, 2024]