What is the major benefit or reason for using a yoke pipe clamp as opposed to regular two bolt pipe clamp?

The mainbenefit is that the yokeclamp can support a greater amount of load. Additionally, the lower portionof the clamp does not significantly protrude beyond the pipe O.D. This isbeneficial in installations where clearance is an issue.

Heavy Duty Yoke U-Bolt Pipe Clamps For A Continuous Catalyst Regeneration Plant
Yoke U-Bolt Pipe Clamps