# -3 Pumps, piping, hoses and connections.

- **operation:** document
- **citation:** 49 CFR 178.348-3
- **title:** -3 Pumps, piping, hoses and connections.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-08-18
- **summary:** Each pump and all piping, hoses and connections on each cargo tank motor vehicle must conform to § 178.345-9, except that the use of nonmetallic pipes, valves, or connections are authorized on DOT 412 cargo tanks.

[Amdt. 178-89, 55 FR 37065, Sept. 7, 1990. Redesignated by Amdt. 178-112, 61 FR 18934
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-178-348-3.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-178-348-3.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-178-348-3
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-178.348-3
**body:**

Each pump and all piping, hoses and connections on each cargo tank motor vehicle must conform to § 178.345-9, except that the use of nonmetallic pipes, valves, or connections are authorized on DOT 412 cargo tanks.

[Amdt. 178-89, 55 FR 37065, Sept. 7, 1990. Redesignated by Amdt. 178-112, 61 FR 18934, Apr. 29, 1996]
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- **body characters:** 316