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Curtiss-Wright EST Group

Hatfield,  PA 
United States
  • Booth: 2266

Welcome to Curtiss-Wright EST Group

Since 1968, Curtiss-Wright EST Group has specialized in the development and manufacture of tools and systems for testing and repairing shell & tube and air-cooled heat exchangers. Our flagship product, Pop- A-Plug® Tube Plugs, are the industry’s leading technology for plugging leaking and/or degraded heat exchanger tubes at operating pressures to 7,000 PsiG (480 BarG) without welding or explosives. We also manufacture GripTight® Test & Isolation Plugs to provide safe and effective solutions for high pressure hydrostatic testing & isolation of pipe, pipelines and pressure vessels. Our products have saved customers millions of dollars in maintenance and downtime in power generation; petrochemical & refining; chemical; oil & gas production, and engineering & construction industries worldwide.

Brands: heat exchanger tube plugs, heat exchanger repair, condenser repair, pop-a-plug, high pressure plugs, tube plugging, ASME-PCC-2, tube testing, condenser plug, power generation, nuclear, fossil


  • 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

    Tube Plugs are suitable for service in operating pressures up to 7,000 psi (483 Bar) and are designed to 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.

  • Pressure Test and Isolation Plugs
    Safe, effective solutions for rapid pipe testing and repairs...

  • EST Group offers a complete line of Hydrostatic Pressure Test and Pipeline Isolation Plugs for hydropressure testing pipework, pipelines and pressure vessels.

    • Test Open End Pipes, Pipelines, Tubes and Pressure Vessels
    • Perform Flange-To-Pipe Weld Testing
    • Isolate and Test Pipe Connections

    Hydro Test plugs for pipe provide safe and effective testing at working pressures up to 15,000 psi (1034 Bar). Pipe OD and ID sealing versions available.

    Pipe isolation plugs are designed for quickly isolating and hydrostatically testing weld joints of any welded flange-to-pipe connection as well as isolating pipe ends during cutting, grinding and welding operations.

    Also available are hydrostatic test pumps, ideal for use with our entire range of pressure test plugs.

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