46 C.F.R. § 56.25-5 Flanges.
Title 46 - Shipping
Flanges must conform to the design requirements of the applicable standards of Table 56.60–1(b) of this part or Appendix 2 of section VIII of the ASME Code. Plate flanges must meet the requirements of §56.30–10(b)(5) of this part and the material requirements of §56.60–1(a) of this part. Flanges may be integral or may be attached to pipe by threading, welding, brazing, or other means within the applicable standards specified in Table 56.60–1(b) of this part and the requirements of this subpart. For flange facing gasket combinations other than those specified above, calculations must be submitted indicating that the gaskets will not result in a higher bolt loading or flange moment than for the acceptable configurations. [CGD 77–140, 54 FR 40605, Oct. 2, 1989, as amended by USCG–2002–13058, 67 FR 61278, Sept. 30, 2002]
Title 46: Shipping
PART 56—PIPING SYSTEMS AND APPURTENANCES
Subpart 56.25—Pipe Flanges, Blanks, Flange Facings, Gaskets, and Bolting
§ 56.25-5 Flanges.
