[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: 46CFR64.65]

[Page 322]
 
                           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. 64.65  Vacuum relief device.

    (a) Each MPT that is designed for an external pressure of less than 
7.5 psig must have a vacuum relief device.
    (b) A vacuum relief device for an MPT must--
    (1) Open at an external pressure of not less than 3 psig; and
    (2) Have an opening with a cross-section of 0.44 square inch or 
more.

[CGD 84-043, 55 FR 37410, Sept. 11, 1990]