4 Va. Admin. Code § 25-40-1110
Air compressors shall be equipped with automatic temperature activated shutoff mechanisms set for 400°F or with fusible plugs installed in the compressor discharge lines as near the compressors as possible. Fusible plugs shall melt at temperatures 50° less than the flash points of the lubricating oils.
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.
Derived from VR480-05-1.2 § 8.2, eff. July 19, 1989.