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products & services
  EST Group
Hydrostatic test/isolation and heat exchange/condenser plugs, testing systems and specialty tools
EST Services
Comprehensive repair, testing, retubing, and inspection services
Market Solutions
Discover the correct solution based upon your market needs
Literature, specifications and operation instructions
Company Capabilities
A complete range of repair products, services and replacement parts
Pop-A-Plug® Tube Plugging System
Pop-A-Plug Video
Lifecycle products and services
EST Group specializes in the development, manufacturing and marketing of highly engineered products and repair services for shell & tube heat exchangers, condensers, coolers and chillers.

EST Groups 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 & 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. Mobitron Cargolog® Impact Recorder system measure 8 register potential events that can result into damaging of goods throughout the logistics chain.
Expansion Seal TechnologiesEST Group
A global manufacturer and designer of pipe and tube pressure testing and plugging equipment they have specialized in developing products that greatly simplifies the maintenance of shell and tube heat exchangers and reduces in-service inspection time of pipe, pipelines, piping systems and pressure vessels.  More...
In The News
CURTISS-WRIGHT FLOW CONTROL’S EST GROUP LAUNCHES NEW GRIPTIGHT® ISOLATION PLUG, PARSIPPANY, NJ  – Curtiss-Wright Flow Control Company announced today that its business unit, EST Group, is introducing its new GripTight® the latest addition to its pipe plugs and pressure testing tools. It offers advances in performance and safety to improve pressure testing of pipe, pipelines and pressure vessels.  More...
Cable, wire and cord - are differences important? PARSIPPANY, NJ  – And are there any differences at all? Profiles of electrical issues will definitely say that there are, and quite significant. But most of the usual "users of electricity" either completely identify these concepts, or often confuse them. And why not understand once and for all, putting all the dots over the "i"? Especially it is not difficult at all: just read on!  More...
Field and shop services
EST Field ServicesEST provide a complete range of turnkey services target at the inspection, repair and service of of tubular heat exchangers, oil coolers and condensers More...
Global presence
EST is located in Hatfield, Pennsylvania and has offices in The Netherlands and Singapore with representatives and distributors worldwide. More...
EST Field Services North America South America
Europe Russia
Middle East Asia Pacific
News & Events
Curtiss-Wright Flow Control's EST Group Launches New GripTight® Isolation Plug
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