46 C.F.R. § 154.506 Mechanical expansion joint: Limits in a piping system.
Title 46 - Shipping
Mechanical expansion joints in a piping system outside of a cargo tank: (a) May be installed only if offsets, loops or bends cannot be installed due to limited space or piping arrangement; (b) Must be a bellows type; and (c) Must not have insulation or a cover unless necessary to prevent damage.
Title 46: Shipping
PART 154—SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES
Subpart C—Design, Construction and Equipment
Cargo and Process Piping Systems
§ 154.506 Mechanical expansion joint: Limits in a piping system.
