# -19 Tests of safety relief valves.

- **operation:** document
- **citation:** 49 CFR 179.100-19
- **title:** -19 Tests of safety relief valves.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-08-18
- **summary:** (a) Each valve shall be tested by air or gas for compliance with § 179.15 before being put into service.

(b) [Reserved]

[29 FR 18995, Dec. 29, 1964. Redesignated at 32 FR 5606, Apr. 5, 1967, as amended at 62 FR 51561, Oct. 1, 1997]
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-179-100-19.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-179-100-19.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-179-100-19
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-179.100-19
**body:**

(a) Each valve shall be tested by air or gas for compliance with § 179.15 before being put into service.

(b) [Reserved]

[29 FR 18995, Dec. 29, 1964. Redesignated at 32 FR 5606, Apr. 5, 1967, as amended at 62 FR 51561, Oct. 1, 1997]
- **truncated:** false
- **body characters:** 233