Expansion Seal Technologies

Expansion Seal Technologies, a unit of the EST Group, Inc. (Formerly Expando Seal Tools, Inc.), is a global manufacturer and designer of pipe and tube pressure testing and plugging equipment. Since 1968 we have specialized in tools and systems that simplify the maintenance of all types of shell and tube heat exchangers and that speed the performance of in-service inspection of pipe, pipelines, piping systems and pressure vessels.

Expansion Seal is dedicated to serving the Power Generation, Petro-Chemical, Refining, Shipbuilding and Boiler Manufacturing industries world wide. Over 60% of our business comes from Power Generation where we are serving over 50 Nuclear and 500 Thermal Power Plants in the United States, Europe and Asia. The balance of our business is 30% Petro-Chemical and Refining and roughly 10% to Shipbuilding and Boiler Manufacturers. Within those industries we concentrate our sales efforts on: Maintenance Engineers, Superintendents, Supervisors and Foremen; Operations Engineers, Planners and Outage Specialists to name but a few.