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Process Tube-in-Tube Heat Exchangers

Compact heat transfer for demanding process conditions

  • Independent tube expansion accommodates thermal stress and supports long-term reliability.
  • Built for demanding conditions, including high pressures, extreme temperatures, and challenging process fluids.
  • High thermal performance for low-flow, high-pressure applications with large ΔT capability.
Heat Transfer Capacity
Heat Transfer Capacity 100,000 BTU/hr
(29 kW)
Flow Rate
Flow Rate Up to 10 GPM (38 LPM)
Pressure Rating
Pressure Rating Up to 4,500 PSI (310 bar)
Temperature Rating
Temperature Rating Up to 800° F (426° C)
Surface Finish 20 μin Ra Max 15 μin Ra Optional
Electropolish

Applications

High-Pressure / High-Temperature

Handles elevated pressures and temperatures with a robust tube-in-tube design built for demanding industrial service.

Viscous Fluids & Slurries

Maintains effective heat transfer for thick or particulate-laden fluids while minimizing fouling and pressure drop.

Low-Flow Applications

Delivers precise thermal control where low flow rates require efficient, controlled heat transfer.

Specifications

Heat Transfer Capacity

Up to 100,000 BTU/hr (29 kW)

Flow Rate

Up to 10 GPM (38 LPM)

Pressure Rating

Up to 4,500 PSI (310 Bar)

Temperature Rating

Up to 800°F (426°C)

Construction

Concentric tube design with independent tube expansion for thermal stress management

Available Materials
  • 316L Stainless Steel
  • Hastelloy C
  • Alloy 20
  • Titanium
  • CVD Coated
  • Others Available
Connection Options

NPT threaded, flanged, tube stub and custom connections available

Customization

Engineered to meet customer-specific thermal, mechanical, and process requirements

Thermal Efficiency

High-Pressure Performance Designed for reliable operation in demanding industrial processes with pressures up to 4,500 PSI.
Precision Thermal Performance Efficient concentric tube construction delivers excellent heat transfer for low-flow applications and large temperature differentials.
Maintenance-Friendly Design Simple welded construction minimizes maintenance requirements while providing dependable long-term operation.
Material Versatility Manufactured from corrosion-resistant alloys and specialty materials to meet challenging process environments.
Thermal Stress Management Independent tube expansion reduces stress caused by thermal cycling, improving reliability and service life.
Compact Footprint High-performance heat transfer in a space-saving design simplifies integration into OEM equipment and industrial process systems.

Best Fit For

Low flow, high pressure, and demanding temperature conditions require precise, reliable heat transfer.

  • Low-flow process heating and cooling
  • High-pressure applications
  • Large temperature differentials (ΔT)
  • High-temperature process duties
  • Thermal cycling and demanding operating conditions

See how Exergy’s Tube-in-Tube Heat Exchanger works. This animation illustrates the concentric tube design, showing how counterflow heat transfer maximizes thermal efficiency while maintaining separate process and utility streams.

FAQ

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Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry’s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.

Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry’s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.

Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry’s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.

Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry’s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.

Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry’s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book.

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