What tool is used to stop leaks on the tube sheet of exchanges?

• A. Rolling Motor
• B. Wrench
• C. Sealant Gun
• D. Caulking Iron

Answer: (A)

In this scenario, the goal is to seal leaks around the many tube joints on a tubesheet. A rolling motor is designed to provide a controlled rolling action with a small roller head that moves along the tube sheet, pressing and distributing a sealing material evenly into the crevices around each tube. That rolling, continuous action creates a tight, uniform seal along the joints, which is exactly what’s needed to stop leaks at the tubesheet.

The other tools don’t fit as well. A wrench is for tightening bolts, not sealing. A sealant gun can apply sealant, but it doesn’t provide the necessary rolling pressure and uniform distribution across the entire tubesheet. A caulking iron is a manual tool used for traditional caulking, which is slower and less uniform for a tubesheet with many tubes. The rolling motor combines movement, pressure, and distribution in one operation, making it the best choice for stopping leaks there.