---
kind: "section"
citation: "49 C.F.R. § 192.753"
title: "49"
number: "192.753"
heading: "Caulked bell and spigot joints."
url: "https://uscodex.org/cfr/49/192.753"
---

# §192.753. Caulked bell and spigot joints.

- (a) Each cast iron caulked bell and spigot joint that is subject to pressures of more than 25 psi (172kPa) gage must be sealed with:
  - (1) A mechanical leak clamp; or
  - (2) **A material or device which—**
    - (i) Does not reduce the flexibility of the joint;
    - (ii) Permanently bonds, either chemically or mechanically, or both, with the bell and spigot metal surfaces or adjacent pipe metal surfaces; and
    - (iii) Seals and bonds in a manner that meets the strength, environmental, and chemical compatibility requirements of §§ [192.53 (a)](/cfr/49/192.53.md?p=a) and [(b)](/cfr/49/192.53.md?p=b) and [192.143](/cfr/49/192.143.md).
- (b) Each cast iron caulked bell and spigot joint that is subject to pressures of 25 psi (172kPa) gage or less and is exposed for any reason must be sealed by a means other than caulking.

## Notes

### Amendments

[35 FR 13257, Aug. 19, 1970, as amended by Amdt. 192-25, 41 FR 23680, June 11, 1976; Amdt. 192-85, 63 FR 37504, July 13, 1998; Amdt. 192-93, 68 FR 53901, Sept. 15, 2003]

### Authority

Authority: 30 U.S.C. 185(w)(3), 49 U.S.C. 5103, 60101 et. seq., and 49 CFR 1.97.

### Source

Source: 35 FR 13257, Aug. 19, 1970, unless otherwise noted.

### Amendments

[35 FR 13257, Aug. 19, 1970, as amended by Amdt. 192-25, 41 FR 23680, June 11, 1976; Amdt. 192-85, 63 FR 37504, July 13, 1998; Amdt. 192-93, 68 FR 53901, Sept. 15, 2003]