[Code of Federal Regulations] [Title 49, Volume 3] [Revised as of October1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR195.126] [Page 139] TITLE 49--TRANSPORTATION CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) PART 195--TRANSPORTATION OF HAZARDOUS LIQUIDS BY PIPELINE--Table of Contents Subpart C--Design Requirements Sec. 195.126 Flange connection. 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.