---
kind: "section"
citation: "46 C.F.R. § 58.16-17"
title: "46"
number: "58.16-17"
heading: "Piping and fittings."
url: "https://uscodex.org/cfr/46/58.16-17"
---

# §58.16-17. Piping and fittings.

- (a) The piping between the cylinders and the appliances must be seamless annealed copper tubing or such other seamless tubing as may be approved by the Commandant.
- (b) All high-pressure tubing between the cylinders and the regulators must have a minimum wall thickness of 0.049 inch. All low-pressure tubing between the regulator and appliances must have a minimum wall thickness of 0.032 inch.
- (c) Tubing connecting fittings must be of the flare type; or connections may be soldered or brazed with material having a melting point in excess of 1,000 °F.

## Notes

### Source

Source: USCG-2020-0634, 89 FR 50173, June 12, 2024, unless otherwise noted.

### Authority

Authority: 43 U.S.C. 1333; 46 U.S.C. 3306, 3703; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGFR 68-82, 33 FR 18878, Dec. 18, 1968, unless otherwise noted.