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Subpart A—General15

Subpart B—Annual, Accident, and Safety-Related Condition Reporting14

Subpart C—Design Requirements20

Subpart D—Construction29

Subpart E—Pressure Testing9

Subpart F—Operation and Maintenance34

Subpart G—Qualification of Pipeline Personnel5

Subpart H—Corrosion Control22

Regulationcurrent

49 CFR 195.126

Flange connection.

Current as of 2026-08-18 Government source

eCFR editorial compilationAuthoritative but unofficial

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Each component of a flange connection must be compatible with each other component and the connection as a unit must be suitable for the service in which it is to be used.#

PHMSA HL.2022.01

2022 Hazardous Liquid IA Question Set

DC.BIO.DESIGN.P — 195.126 (+1 more questions) · examined by inspection

Inspection

PHMSA HL.2021.01

2021 Hazardous Liquid IA Question Set

DC.BIO.DESIGN.P — 195.126 (+1 more questions) · examined by inspection

Inspection

PHMSA tx2011hlprogramevaluation

2011 TX HL Program Evaluation - tx2011hlprogramevaluation (Texas; Hazardous Liquid State Program Evaluation)

195.126 · state program evaluation cites