EST Group

Established in 1968, EST Group provides lifecycle products and services across multiple markets.

EST Group, a Curtiss-Wright Valves 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.

A leader in design and manufacture

Curtiss-Wright Valves Division’s EST Group is a leader in designing and manufacturing highly engineered valves, pumps, plugs, electronics and related products for the commercial nuclear power industry, oil and gas processing facilities, a range of critical national defense programs, and a host of solutions for numerous other industries.

CW has a history of solving tough problems that begins with a passion for understanding customer needs. Add to that unparalleled technical expertise, the highest standards of quality and a long heritage of innovative thinking. For nearly a century Curtiss-Wright Valves Division has been doing things the Wright way.

Shell and tube heat exchangers, condensers, pipes, piping systems and pressure vessels solutions

EST Group, is dedicated to providing a complete range of lifecycle products and services for tubular heat exchangers, condensers, pipes, piping systems and pressure vessels. EST Group serves the power generation; petrochemical and refining; fine chemical and pharmaceutical; shipbuilding; oil and gas production; and engineering and construction industries worldwide.

The EST group products include:

  • Pop-A-Plug® Tube Plugs and Pop-A-Plug Tube Plugging System® - for quickly preparing and plugging leaking heat exchanger tubes. Suitable for service in operating pressures to 7,000 psi (480 Bar) without welding or explosives.
  • Pop-A-Plug® Tube Stabilizers - for stabilizing fractured or severed heat exchanger tubes.
  • G-Series Tube Testing Guns - for locating and identifying leaking heat exchanger tubes and tube-to-tubesheet joints.
  • GripTight® and SQ2 Test Plugs - for high pressure hydrostatic testing of pipe, pipelines and pressure vessels. Safe and effective at working pressures to 14,000 psi (960 Bar). Pipe OD and ID sealing versions available.
  • High Lift Flange/Weld Testing Plugs - for quickly isolating and hydrostatically testing weld joints of any welded flange to pipe connection.
  • Double Block & Bleed Plugs – positively isolate pipe end hot work from potentially explosive upstream vapors; then weld and test the flange to pipe connection all with one tool.
  • D-Series Tapping Tools - compact, lightweight tools for tapping into existing pipelines under pressure; ideal for sampling and/or draining the contents of a pipe or pressure vessel.
  • EST Services: Provides a complete range of turnkey field services targeted at the inspection and repair of tubular heat exchangers and condensers - including heat exchanger tube testing, inspection (visual, eddy current or IRIS), mechanical tube cleaning, tube sleeving or lining, tube plugging, tube pulling and partial retubing operations. Sleeves are installed using Hydra-Loc™ hydraulic expansion equipment. EST FS offers piping system and pressure vessel hydrostatic testing and inspection. Additionally EST FS provides on-site training courses for all EST products.