---
kind: "section"
citation: "46 C.F.R. § 56.15-5"
title: "46"
number: "56.15-5"
heading: "Fluid-conditioner fittings."
url: "https://uscodex.org/cfr/46/56.15-5"
---

# §56.15-5. Fluid-conditioner fittings.

- (a) Fluid-conditioner fittings meeting the standards of this part and certified in accordance with [subpart 50.25](/cfr/46/subpart50.25.md) of this subchapter are acceptable for use in piping systems.
- (b) Fluid-conditioner fittings made in accordance with the applicable standards listed in table 2 to [§ 56.60-1](/cfr/46/56.60-1.md) and of materials complying with [subpart 56.60](/cfr/46/subpart56.60.md) of this part, may be used within the material, size, fluid, pressure, and temperature limitations of those standards and within any further limitations specified in this subchapter.
- (c) The maximum allowable working pressure may be determined in accordance with [§ 56.15-1(c)](/cfr/46/56.15-1.md?p=c).
- (d) If nonstandard fluid-conditioner fittings are welded, they must be welded in accordance with [subpart 56.70](/cfr/46/subpart56.70.md) of this part and [part 57](/cfr/46/part57.md) of this subchapter or by other processes specifically approved by the Marine Safety Center.
- (e) Heat exchangers having headers and tubes, and brazed boiler steam air heaters, are not considered fluid-conditioner fittings and must meet the requirements in [part 54](/cfr/46/part54.md) of this subchapter regardless of size. For brazed boiler steam air heaters, see also [§ 56.30-30(b)(1)](/cfr/46/56.30-30.md?p=b-1)t.

## Notes

### Amendments

[CGD 77-140, 54 FR 40602, Oct. 2, 1989, as amended by CGD 83-043, 60 FR 24772, May 10, 1995; USCG-2003-16630, 73 FR 65176, Oct. 31, 2008]

### Source

Source: CGD 77-140, 54 FR 40602, Oct. 2, 1989, as amended by USCG-2020-0634, 89 FR 50131, June 12, 2024, unless otherwise noted.

### Authority

Authority: 33 U.S.C. 1321(j), 1509; 43 U.S.C. 1333; 46 U.S.C. 3306, 3703; 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 No. 00170.1, Revision No. 01.4.

### Source

Source: CGFR 68-82, 33 FR 18843, Dec. 18, 1968, unless otherwise noted.

### Amendments

[CGD 77-140, 54 FR 40602, Oct. 2, 1989, as amended by CGD 83-043, 60 FR 24772, May 10, 1995; USCG-2003-16630, 73 FR 65176, Oct. 31, 2008]