# Automatic shutoff valves.

- **operation:** document
- **citation:** 49 CFR 193.2125
- **title:** Automatic shutoff valves.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** Not available
- **effective on:** 1999-10-01
- **summary:** Each automatic shutoff valve or combination of valves must:

(a) Have a fail-safe design;

(b) Operate to stop fluid flow which would endanger the operational integrity of plant equipment; and

(c) Close at a rate to avoid fluid hammer which would endanger the operating integrity of a component.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-193-2125.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-193-2125.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-193-2125
- **source url:** https://www.govinfo.gov/app/details/CFR-1999-title49-vol3/CFR-1999-title49-vol3-sec193-2125
**body:**

Each automatic shutoff valve or combination of valves must:

(a) Have a fail-safe design;

(b) Operate to stop fluid flow which would endanger the operational integrity of plant equipment; and

(c) Close at a rate to avoid fluid hammer which would endanger the operating integrity of a component.
- **truncated:** false
- **body characters:** 296