---
kind: "section"
citation: "49 C.F.R. § 178.337-14"
title: "49"
number: "178.337-14"
heading: "Gauging devices."
url: "https://uscodex.org/cfr/49/178.337-14"
---

# §178.337-14. Gauging devices.

- (a) **Liquid level gauging devices.** See [§ 173.315(h)](/cfr/49/173.315.md?p=h) of this subchapter.
- (b) **Pressure gauges.**
  - (1) See [§ 173.315(h)](/cfr/49/173.315.md?p=h) of this subchapter.
  - (2) Each cargo tank used in carbon dioxide, refrigerated liquid or nitrous oxide, refrigerated liquid service must be provided with a suitable pressure gauge. A shut-off valve must be installed between the pressure gauge and the cargo tank.
- (c) **Orifices.** See [§ 173.315(h)](/cfr/49/173.315.md?p=h) (3) and (4) of this subchapter.

## Notes

### Amendments

[Amdt. 178-29, 38 FR 27599, Oct. 5, 1973, as amended by Amdt. 178-89, 54 FR 25018, June 12, 1989; Amdt. 178-118, 61 FR 51340, Oct. 1, 1996]

### Source

Source: 29 FR 18975, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

### Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

### Amendments

[Amdt. 178-29, 38 FR 27599, Oct. 5, 1973, as amended by Amdt. 178-89, 54 FR 25018, June 12, 1989; Amdt. 178-118, 61 FR 51340, Oct. 1, 1996]