[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: 46CFR64.61]

[Page 321]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 64_MARINE PORTABLE TANKS AND CARGO HANDLING SYSTEMS--Table of Contents
 
  Subpart C_Pressure Relief Devices and Vacuum Relief Devices for MPTs
 
Sec. 64.61  Rupture disc.

    If a rupture disc is the only pressure relief device on the tank, 
the rupture disc must--
    (a) Rupture at a pressure of 125 percent of the maximum allowable 
working pressure; and
    (b) Have a minimum normal venting capacity that is sufficient to 
prevent the tank pressure from exceeding 137.5 percent of the maximum 
allowable working pressure.