CFR›Title 49›Subtitle B›Chapter II›Part 230›Subpart B›Subject Group Injectors, Feedwater Pumps, and Flue Plugs ContainsSections 230.57–230.58CorpusDaily eCFRDisplayed edition2026-05-07Last updated2026-05-07 Sections 230.57 § 230.57 Injectors and feedwater pumps. 230.58 § 230.58 Flue plugs. Previous Fusible Plugs Fusible Plugs Next Inspection and Repair Inspection and Repair