[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: 46CFR64.37] [Page 320] 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 B_Standards for an MPT Sec. 64.37 Valve and fitting guard. Each valve and fitting must be protected from mechanical damage by-- (a) The tank; (b) A tank saddle; (c) The framework; or (d) A guard.