46 C.F.R. § 64.37 Valve and fitting guard.
Title 46 - Shipping
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.
Title 46: Shipping
PART 64—MARINE PORTABLE TANKS AND CARGO HANDLING SYSTEMS
Subpart B—Standards for an MPT
§ 64.37 Valve and fitting guard.