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. Our best known product, the Pop-A-Plug® Tube Plugging System, is the industry's leading technology for plugging leaking and degraded heat exchanger tubes. EST Group also engineers and manufactures pressure testing and isolation plugs to greatly simplify and speed-up pressure testing and/or isolation of piping, tubing, valves, pressure vessels and a multitude of special applications.

• Pop-A-Plug® Tube Plugging System


• Hydrostatic Test & Isolation Plugs


• Specialty Tools


• Field Services


• Contact Curtiss-Wright EST Group