49 C.F.R. § 192.157 Extruded outlets.
Title 49 - Transportation
Each extruded outlet must be suitable for anticipated service conditions and must be at least equal to the design strength of the pipe and other fittings in the pipeline to which it is attached.
Title 49: Transportation
PART 192—TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE: MINIMUM FEDERAL SAFETY STANDARDS
Subpart D—Design of Pipeline Components
§ 192.157 Extruded outlets.