G-160 Tube Testing Tool

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Heat Exchanger Maintenance Starts With a Tube Leak Testing Tool You Can Rely On

Tube Tester: Use & Functionality 

Early tube leak testing and detection in heat exchangers, condensers, and boilers are essential to avoiding costly downtime and unnecessary damage to your equipment.

G-160 Tube Testing Tools from EST Group can quickly detect heat exchanger tube leaks using less force and increased operator safety. EST Group’s heat exchanger tube testing equipment features an ergonomic design with innovative patented grippers, offering a secure internal gripping force for reliable pressure testing, every time!

Operating Pressure 

  • Standard compressed air supply
  • 40 to 125 PsiG (2.7 to 8.5 BarG)

Tube Size Range

  • 0.49” - 1.11” (12.4mm - 28.2mm)
  • with optional support tube assemblies - 0.28” - 1.81” (7.1mm - 46.0mm)

Standard Seal Material

  • Neoprene 

Features & Benefits

  • Patented gripper design requires less operator force
  • Interchangeable seal & washer sets are size-specific per tube ID
  • Ergonomic design with push-button activated air injection valve
  • Durable corrosion-resistant powder-coated finish
  • Lightweight aluminum construction (1.9 lbs. / 0.9 kg ea.)
  • Analog & Digital gauge versions available
  • Fully protected gauges - analog & digital available
  • Neoprene seals
G-160 Tube Testing Tool Kit Includes:
  • Injection & Plugging Tools with analog gauges
  • Support Tube Assemblies (GSA-1611 & GSA-1612)
  • Wrench & Seal Sizing Gauge
  • Impact-resistant Case

Tube Tester: Operation & Testing

What is the purpose of a leak test?

Early detection of leaking tubes in heat exchangers, boilers, corrosion-resistant, and condensers is essential to avoiding costly downtime. G-160 Tube Testing Tools from EST Group rapidly detect leaks while providing a safer environment for plant personnel. Innovative patented gripper design provides increased operator safety. Operates with compressed air.

Operation Before Testing

  • Step 1: The tubes to be tested should be cleaned, and any loose deposits or scale should be removed. If the tubes have not been cleaned, any foreign materials present may be ejected during the testing operation and may damage the test tools or injure the operators.
  • Step 2: The operators should always wear safety glasses or a face shield when testing with the G-160 Tube Testing Tool or any type of pressure test tool.
  • Step 3: If the tubes have been chemically cleaned, please check with EST Customer Service regarding the compatibility of the G-160 Tube Testing Tool Seals with the cleaning agent. Alternate seal materials are available.
  • Step 4: Verify tube size to be tested.
  • Step 5: Ensure the G-160 Tube Testing Tools have the correct size Seal and Washer Set (2) for the tubes being tested. The Seals and Washers are correctly sized if the OD of the Seals is 0.02" to 0.06" (0.51 mm to 1.52 mm) smaller than the actual tube ID.

Using Seals that are too small may cause any of the following:

  • Premature Seal wear
  • Jamming of the G-160 Tube Testing Tool in the tube
  • Expulsion of the G-160 Tube Testing Tool from the tube end

Replacement Seals for the G-160 Tube Testing Tools can be procured for any tube I.D. from 0.28" to 1.81" (7.11 mm to 46.00 mm). For tube IDs larger than 1.81" (46.00 mm), contact EST.




Looking for heat exchanger tube testing equipment? Our tube leak testing tool is a component you can rely on. It’s an essential part of maintenance for your system and early detection is paramount to avoid costly downtime.  

Tube leak detected, now what? Check out our Pop-A-Plug® Tube Plugging System, a permanent mechanical solution for sealing leaking heat exchanger, condenser, and boiler tubes.

Curtiss Wright EST has multiple options for heat exchanger tube plugs. They are used to seal leaking heat exchanger tubes to prevent damage to adjacent tubes and keep the efficiency on an aging exchanger as high as possible.  

Curtiss Wright EST has multiple options for tube testing equipment. Our G-160 tube testing tool detects leaks early and is essential to avoiding costly downtime and damage to equipment.  

Further Information

The EST Division specializes in developing, manufacturing, and marketing highly-engineered products and repair services for shell and tube heat exchangers, condensers, coolers, and chillers. 

If you would like to contact us and speak to a sales representative, please fill out a contact form.