[Code of Federal Regulations]
[Title 46, Volume 1]
[Revised as of Octobery 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR30.10-55]

[Page 387]
 
                           TITLE 46--SHIPPING
 
         CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
 
PART 30_GENERAL PROVISIONS--Table of Contents
 
                        Subpart 30.10_Definitions
 
Sec. 30.10-55  Pressure vacuum relief valve--TB/ALL.

    The term pressure vacuum relief valve means any device or assembly 
of a mechanical, liquid, weight, or other type used for the automatic 
regulation of pressure or vacuum in enclosed places.