# -7 Protection of valves and accessories.

- **operation:** document
- **citation:** 49 CFR 178.255-7
- **title:** -7 Protection of valves and accessories.
- **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) All valves, fittings, accessories, safety devices, gauging devices, and the like shall be adequately protected against mechanical damage by a housing closed with a cover plate.

(b) Protective housing shall comply with the requirements under which the tanks are fabricated with respect to design 
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-178-255-7.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-178-255-7.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-178-255-7
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-178.255-7
**body:**

(a) All valves, fittings, accessories, safety devices, gauging devices, and the like shall be adequately protected against mechanical damage by a housing closed with a cover plate.

(b) Protective housing shall comply with the requirements under which the tanks are fabricated with respect to design and construction, and shall be designed with a minimum factor of safety of four to withstand loadings in any direction equal to two times the weight of the tank and attachments when filled with water.
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- **body characters:** 500