# Thermal barriers.

- **operation:** document
- **citation:** 49 CFR 193.2215
- **title:** Thermal barriers.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** Not available
- **effective on:** 1999-10-01
- **summary:** Thermal barriers must be provided between piping and an outer shell when necessary to prevent the outer shell from being exposed during normal operation to temperatures lower than its design temperature.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-193-2215.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-193-2215.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-193-2215
- **source url:** https://www.govinfo.gov/app/details/CFR-1999-title49-vol3/CFR-1999-title49-vol3-sec193-2215
**body:**

Thermal barriers must be provided between piping and an outer shell when necessary to prevent the outer shell from being exposed during normal operation to temperatures lower than its design temperature.
- **truncated:** false
- **body characters:** 203