EST GROUP, a business unit of CURTISS-WRIGHT FLOW CONTROL COMPANY
2701 Township Line Road
Hatfield, PA 19440
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.
EST Group’s best known product, the Pop-A-Plug®, is the industry’s leading technology for sealing leaking heat exchanger tubes. EST Group also engineers and manufactures pipe plugs and pressure testing tools to greatly 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.