Pop-A-Plug® Tube Plugging System

Rapid preparation and plugging for heat exchanger, condenser and boiler tubes

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

  • Quickly Prepare, Plug And Repair Leaking Heat Exchanger, Condenser and Boiler Tubes
  • Install and Remove Plugs Without Welding or Explosives
  • Locate and Identify Leaks

Pop-A-Plug Tube Plugs are suitable for service in operating pressures up to 7,000 PsiG (483 BarG) and can be installed without welding or explosives. A variety of systems and tools are available for installation and removal.

Tube Stabilizers are designed for stabilizing fractured or severed heat exchanger tubes while tube sleeving is designed to effectively repair damaged tube ends.

Also available are Tube Testing Guns for locating and identifying leaking heat exchanger tubes.




Curtiss Wright EST offers multiple options for heat exchanger tube plugs. They are used to seal leaking heat exchanger tubes to prevent damage to adjacent tubes, and maintain efficiency on an aging assets.