How to use the tube plug:
Sealing off leaky condenser and heat exchanger tubes without damaging tubesheets.
Place correct size ring in tube. (Order by tube Outer Diameter and Gauge)
Tapered plug is driven into ring, which is tapered on the inside and is parallel to tube on the outside. This gives even expansion to the ring and a long contact to the seal. Available in a variety of metals: stainless steel 316 or 304, carbon steel, and others.