[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: 46CFR56.20-20]

[Page 185]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 56_PIPING SYSTEMS AND APPURTENANCES--Table of Contents
 
                          Subpart 56.20_Valves
 
Sec. 56.20-20  Valve bypasses.

    (a) Sizes of bypasses shall be in accordance with MSS-SP-45.
    (b) Pipe for bypasses should be at least Schedule 80 seamless, and 
of a material of the same nominal chemical composition and physical 
properties as that used for the main line. Lesser thickness may be 
approved depending on the installation and service conditions.
    (c) Bypasses may be integral or attached.