49 C.F.R. § 192.275 Cast iron pipe.
Title 49 - Transportation
(a) Each caulked bell and spigot joint in cast iron pipe must be sealed with mechanical leak clamps. (b) Each mechanical joint in cast iron pipe must have a gasket made of a resilient material as the sealing medium. Each gasket must be suitably confined and retained under compression by a separate gland or follower ring. (c) Cast iron pipe may not be joined by threaded joints. (d) Cast iron pipe may not be joined by brazing. [35 FR 13257, Aug. 19, 1970, as amended by Amdt. 192–62, 54 FR 5628, Feb. 6, 1989]
Title 49: Transportation
PART 192—TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE: MINIMUM FEDERAL SAFETY STANDARDS
Subpart F—Joining of Materials Other Than by Welding
§ 192.275 Cast iron pipe.
