[Code of Federal Regulations] [Title 46, Volume 2] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR56.25-5] [Page 185] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 56_PIPING SYSTEMS AND APPURTENANCES--Table of Contents Subpart 56.25_Pipe Flanges, Blanks, Flange Facings, Gaskets, and Bolting Sec. 56.25-5 Flanges. 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 Sec. 56.30-10(b)(5) of this part and the material requirements of Sec. 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]