EST Group, a Curtiss-Wright Industrial Division product brand, is a market leader in providing highly engineered products and comprehensive repair services for heat management cooling systems. EST Group specialize in engineered plugs for shell and tube heat exchangers, condensers, oil coolers, piping systems and pressure vessels for severe service applications. Its best known product – the Pop-A-Plug® – is the industry’s leading technology. EST Group provides a comprehensive range of field services for heat management systems.