Curtiss Wright EST Group Introduces the Best Method Available for Repair of Leaking Air-Cooled Heat Exchanger Tubes

Thursday 29 January 2015

Hatfield PA, USA, January 29, 2015 – Curtiss-Wright EST Group has introduced a significant solution to simplify the testing, maintenance and repair of Air-Cooled Heat Exchangers. EST Group’s Pop-A-Plug® Tube Plugging System provides the solution with easy to use tools to leak-test, and install permanent, but removable plugs into leaking tubes. These tools are designed to test and plug the tubes through the plug holes, directly accessing the tube sheet.

With EST Group’s Pop-A-Plug® Tube Plugging System, testing and installation can be done in minutes vs. hours as with conventional repair methods. Pop-A-Plug® Tube Plugging System is offered in a variety of materials to match your tube material, I.D. and pressure, and rated up to 7000psi (480 bar).

One customer reported the following data using EST Group’s Pop-A-Plug® Tube Plugging System:

  • 20 tubes were plugged and exchanger was back in operation in 1 hour using the Pop-A-Plug® Tube Plugging System vs 18-26 hours of down time using hammer and welded plugs
  • Average installation time 2 minutes per plug
  • No weld permits required
  • No expert welders required
  • No damage to plug threads
  • Plugs can be removed with one tool when re-tubing is required

Click here, for more information about the Pop-A-Plug® Tube Plugging System.

About Curtiss-Wright EST Group

Headquartered in Hatfield, PA with offices in the Netherlands and Singapore, Curtiss-Wright EST Group specializes in the development, manufacturing and marketing of highly engineered products and repair services for shell and tube heat exchangers, condensers, coolers and chillers. Additionally, EST Group engineers and manufactures pipe plugs and pressure testing tools to simplify and speed-up pressure testing of piping, tubing, pipe and tube systems, pressure vessels and a multitude of special applications. EST Group Services provides a comprehensive range of onsite services for heat exchanger troubleshooting and repair as well as turnkey pressure testing services. For more information, visit:


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