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Tube-Side Cleaning

We clean tubes… Inside and Out!

Since 1995, National Heat Exchange has been using its patented tube cleaning technology to clean the shell-side of heat exchangers and coolers. Today, NHE uses a variety of methods to clean tube IDs:

Gray & Red



  • NHE’s Patented ExactID Cleaning DartsMultiple designs match any fouling
    • Custom machined for an Exact fit
    • Manufactured in our Ohio facility
  • NHE’s Hydro-Lance Auto Feeder
    • Cleans 3 tubes at a time with pressure up to 20,000PSI.
    • Multiple heads for proper fit and pressure
    • Safe and thourough fouling removal
  • Other Methods
    • Rotary Brushes
    • Drills
    • Hones
    • HP Lancing

No deposit too tough!

We offer complete cleaning and refurbishing of all types and sizes of heat exchangers including:

  • Main Condensers
  • Surface Condensers
  • Shell and Tube
  • Plate and Frame
  • Open Frame
  • Lube Oil Coolers
  • Seal Oil Coolers
  • Transformer Coolers
  • Feed Water Coolers
  • Oil Pre-Heaters
  • Hydrogen Coolers
  • Boiler Feed Pump Coolers
  • Pulverizer Coolers
  • Air Compressor Coolers
  • Motor Coolers
  • Marine Coolers

Tube Testing

National Heat Exchange performs a variety of testing in order to ensure maximum efficiency.

Tubes and tube to tube-sheet integrity is tested throughout the NHE process. Every cooler is Hydro-tested before leaving our facility, ensuring the cooler is in optimal working order before being brought back on-line.

  • Vacuum Test
  • Ultra-Sonic Test
  • Individual Tube Pressure Test
  • Hydro-static Test
  • Dye-penetrant Test
  • Bubble Test
  • Eddy Current Test

Tube Plugging

NHE is a certified JNT Technologies Torq N’ Seal distributor and installation contractor.

In the event a tube is determined to be ineffective, one option is plugging. Torq N’ Seal produce a leak tight seal even under extreme thermal and pressure cycling, and will not damage the heat exchanger. This seal is permanent, unless there is a need such as re-tubing or other maintenance. In which case, the plugs are easily removed.