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EST Group offers a complete line of tube plugs and plugging systems designed for quickly preparing and plugging leaking and degraded heat exchanger, condenser and boiler tubes.

A proven long-term performer in fossil and nuclear stations, Pop-A-Plug P2 Tube Plugs feature patented internally serrated rings designed to maintain a leak-tight seal under extreme thermal and pressure cycling.

Unlike other tube plug designs, and under the proper conditions, Pop-A-Plug CPI/Perma Tube Plugs can be passed through the length of a straight heat exchanger tube and successfully installed at the far end of the tube without having direct access to both tube ends.