Dimpleflo Tubular Heat Exchangers

Free Tube Sample

Chemical Industry
Heat Exchanger Retubing Solutions
by Dimpleflo™

Dimpleflo™ retubing solutions help chemical plants recover lost heat exchanger performance caused by fouling, scaling, tube wear, viscous fluids and deposit-forming process streams. By upgrading suitable existing equipment with Dimpleflo™ dimpled tube technology, operators can improve heat transfer and extend asset life without a full replacement.
  • Durability
  • Energy Efficiency
  • Custom Design
  • Fast Turnaround
  • Maintenance & Lifecycle Support
Request a Quote
Free Tube Sample

Improved Heat Transfer

Recover lost thermal performance in chemical process heat exchangers.

REDUCED FOULING & CORROSION

Support cleaner operation in fouling-prone chemical streams.

EXTENDED EQUIPMENT LIFE

Renew existing heat exchanger assets through specialist retubing.

ENHANCED RELIABILITY

Improve temperature control, uptime and plant performance.

COST-EFFECTIVE SOLUTION

A practical alternative to full equipment replacement.

Before and After Waster Water Heat Exchanger Retubing Solutions

Heat Exchanger Retubing Solutions for Chemical Industries

Chemical processing plants rely on heat exchangers for controlled heating, cooling, temperature stabilisation and energy recovery. Over time, process streams can cause fouling, scaling, deposit build-up, corrosion-related tube damage or restricted flow, reducing the heat exchanger’s ability to operate efficiently.

  • SCALE
  • POLYMER BUILD-UP
  • CRYSTALLISATION
  • PROCESS RESIDUES
  • CORROSION-AFFECTED TUBE BUNDLES
  • VISCOUS CHEMICAL FLUIDS

When chemical industry heat exchangers begin to lose efficiency, the problem often starts within the tube bundle. Deposits can create an insulating layer, restrict flow, increase pressure drop and make the unit harder to clean or control.

Dimpleflo™ provides retubing solutions for chemical processing plants where existing heat exchanger assets are still suitable for renewal. Instead of replacing the entire unit, underperforming tubes can be replaced with Dimpleflo™ dimpled tubes to improve turbulence, heat transfer, and resistance to fouling-related performance loss under appropriate process conditions. Each retubing project should be reviewed against the chemical duty, cleaning method, operating temperature, pressure, flow rate and tube material requirements.

Contact Us
Free Tube Sample
Before and After Waster Water Heat Exchanger Retubing Solutions

Heat Exchanger Retubing Applications for Chemical Processing Plants

Chemical Process Heating

Chemical process heating depends on consistent heat transfer to support reaction control, viscosity management, flow stability and product quality. Dimpleflo™ retubing helps recover performance in exchangers affected by fouling, scaling or worn tubes.

Chemical Process Cooling

Cooling duties are essential for reaction control, batch cooling, product cooling and temperature stabilisation. Retubing can help restore cooling capacity when tube-side fouling or deterioration is limiting performance.

Viscous Chemical Fluids

Viscous fluids can be difficult to heat or cool efficiently, especially when deposits form inside the tubes. Dimpleflo™ dimpled tube technology helps improve flow behaviour and heat transfer in appropriate viscous chemical applications.

Polymer, Resin and Adhesive Processing

Polymers, resins and adhesives can create sticky, fouling-prone conditions that reduce exchanger efficiency between cleaning cycles. Dimpleflo™ retubing supports more reliable operation in suitable chemical process streams where fouling is a recurring issue.

Scaling and Crystallising Liquids

Scale, salts and crystals can reduce heat transfer by forming insulating layers inside the tubes. Retubing with Dimpleflo™ dimpled tubes can help restore performance where scaling or crystallisation has reduced thermal efficiency.

Corrosion-Affected Tube Bundles

Where corrosion has affected tube integrity, retubing can renew the tube bundle with materials selected for the specific chemical duty. Suitability depends on fluid compatibility, operating temperature, pressure and site conditions.

Solvent and Process Liquid Temperature Control

Solvents and other chemical liquids often require stable temperature control for safe, efficient production. Dimpleflo™ retubing can help improve control when fouling, wear, or tube deterioration are affecting heat transfer.

Chemical Plant Recovery

Chemical plants often recover heat from warm process streams to reduce energy use. When fouling or scaling reduces recovery efficiency, retubing can improve heat transfer and enhance energy performance.

Contact Us
Free Tube Sample

Dimpleflo™ Profile Range
for Chemical Heat Exchanger Retubing

Dimpleflo™ retubing solutions are available with engineered dimple profiles designed to suit different chemical process conditions. The correct profile helps balance heat transfer, flow behaviour, pressure drop, and fouling resistance for the application.
Shallow Dimple Profile

Shallow Dimple Profile

Suitable for lower-viscosity chemical liquids, solvents, condensates and lighter process streams where efficient heat transfer is required with controlled pressure drop.

Medium Dimple Profile

Standard Profile Range

A practical profile for many chemical process heat exchangers, balancing flow capacity with heat transfer performance across general heating, cooling and process liquid duties.

Heavy Dimple Profile

Heavy Profile Range

Designed for more demanding duties involving viscous, fouling-prone or deposit-forming fluids such as polymers, resins, slurries, scaling liquids and solids-laden chemical streams.

Contact Us
Free Tube Sample

Why Chemical Plants Choose Dimpleflo™ Retubing Solutions

Dimpleflo™ retubing provides chemical processors with a practical way to improve the performance of existing heat exchangers when fouling, scaling, tube wear, or difficult fluids limit efficiency. It can help reduce cleaning demands, recover heat transfer and extend the working life of retained exchanger assets.
Contact Us
Free Tube Sample

Specialist Dimpled Tube Technology

Dimpleflo™ retubing uses specialised dimpled-tube technology to improve heat-transfer performance in chemical-industry heat exchangers. The dimpled tube profile promotes greater turbulence within the tube, helping to reduce boundary layer buildup and improve thermal efficiency in demanding chemical processing applications where conventional smooth tubes may struggle to maintain consistent performance.

Designed for Fouling-Prone Chemical Streams

Chemical processes often involve fluids that are viscous, reactive, scaling, crystallising or prone to residue build-up. Dimpleflo™ retubing is designed to support these challenging operating conditions by helping keep process fluids moving more effectively through the tube, reducing the impact of fouling and supporting more stable heat exchanger performance over time.

Fouling-Resistant Tube Upgrade

For chemical plants experiencing repeated cleaning cycles, reduced heat transfer or pressure drop issues, Dimpleflo™ provides a practical fouling-resistant tube upgrade. By replacing underperforming tubes with dimpled tube technology, existing heat exchangers can be improved to better manage fouling-prone chemical fluids, thereby restoring efficiency and reducing maintenance demands.

Alternative to Full Heat Exchanger Replacement

Full heat exchanger replacement can be costly, disruptive and time-consuming, especially in chemical processing environments where downtime directly affects production. Dimpleflo™ retubing offers an alternative by renewing suitable existing heat exchangers with upgraded tube technology, extending equipment life and improving performance without the need for a complete system replacement.

Customised to Process Conditions

Every chemical process has different fluid characteristics, operating temperatures, pressure requirements and fouling risks. Dimpleflo™ retubing solutions can be customised to suit specific process conditions, including tube material, configuration and heat transfer requirements, helping ensure the upgraded heat exchanger is aligned with the needs of the chemical application.

Built Around Long-Term Reliability

Dimpleflo™ retubing is designed to support long-term reliability in chemical industry heat exchangers by addressing common causes of poor performance, including fouling, scaling, corrosion-affected tubes and reduced heat transfer. By upgrading suitable equipment with durable dimpled tube technology, chemical plants can improve operational consistency, reduce unplanned maintenance and support more efficient process performance.

In Application

Dimpleflo™ dimpled tube technology can be applied to suitable chemical heat exchangers where fouling, scaling, viscous fluids or deposit build-up reduce performance between cleaning cycles.
Two 72T 168 219 9000 I MAN Dimpleflo units used to cool biomass after heat treatment, ready for processing in huge digesters.

Two 72T 168 219 9000 I MAN Dimpleflo units used to cool biomass after heat treatment, ready for processing in huge digesters.

Two duty and one standby Dimpleflo heat exchangers used for cooling THP Sludge in a new technology treatment plant.

Two duty and one standby Dimpleflo heat exchangers used for cooling THP Sludge in a new technology treatment plant.

Dimpleflo heat exchanger with a closed circuit cooling loop for processing up to 80% solids.

Dimpleflo heat exchanger with a closed circuit cooling loop for processing up to 80% solids.

Dimpleflo installation for traditional sludge heating in an anaerobic digestor.

Dimpleflo installation for traditional sludge heating in an anaerobic digestor.

Design and manufacture of an additional must chiller unit for installation in a large California winery. The unit was designed to cool must from 75°F to 50°F using 32°F glycol. The unit selected was a 40 tube 6 metre long monotube heat exchanger. Was designed and manufactured on short lead time to be shipped in time for US Vintage 23.

Design and manufacture of an additional must chiller unit for installation in a large California winery.

Design and manufacture of 2 x containerised heat exchangers capable of operating at high temperature and extreme pressure. Teralba assessed the application and made recommendations for materials and sourced special, high pressure rated, metal to metal flange seal system. The high pressure design, combined with Dimpleflo technology, provided the ultimate efficiency.

Design and manufacture of 2 x containerised heat exchangers capable of operating at high temperature and extreme pressure.

Dimpleflo shell and tube heat exchanger replacement of a plate heat exchanger in a viscous, fouling application. The dimpled tube heat exchanger decreased service and maintenance times from every 2 months to every 2 years.

Dimpleflo shell and tube heat exchanger replacement of a plate heat exchanger in a viscous, fouling application.

Frequently Asked Questions

Find quick answers about Dimpleflo™ retubing for chemical industry heat exchangers, including fouling reduction, tube replacement, maintenance and performance.

What is heat exchanger retubing in the chemical industry?

Heat exchanger retubing renews an existing heat exchanger by removing underperforming tubes and installing new tubes. In chemical industry applications, retubing can help restore heat transfer, reduce fouling impact and extend the service life of suitable equipment.

For chemical plants experiencing fouling, scaling, corrosion, or reduced efficiency, retubing can be a practical way to restore performance without replacing the entire heat exchanger. Dimpleflo™ retubing solutions can upgrade suitable exchangers with dimpled tube technology to improve heat transfer and reliability.

Heat exchanger tube replacement involves removing worn, blocked, corroded or inefficient tubes from an existing exchanger and replacing them with new tubes. Dimpleflo™ retubing can upgrade eligible units with dimpled tube technology to improve thermal performance. This process is commonly used when the heat exchanger shell remains suitable, but the tube bundle is no longer performing as required. For chemical industry applications, tube replacement can help address fouling-related losses, restore flow conditions and improve the overall efficiency of heating or cooling duties.
Chemical plants should consider retubing when a heat exchanger is losing efficiency, struggling to maintain temperature, showing signs of tube wear, requiring frequent cleaning or experiencing increased pressure drop from fouling or restricted flow. Retubing may also be suitable when downtime, maintenance costs, or energy use increase due to poor heat transfer. By renewing the tube bundle, Dimpleflo™ can help suitable chemical heat exchangers return to more dependable performance while supporting longer equipment life.
Chemical heat exchangers can foul due to scaling, crystallisation, polymer build-up, suspended solids, corrosion products, sludge, sediments, reaction by-products or viscous process residues. These deposits reduce heat transfer and increase maintenance requirements. In chemical processing, fouling can vary depending on the fluid, temperature, flow rate and operating conditions. If fouling is not managed, it can lead to higher pressure drop, unstable process temperatures, more frequent shutdowns and reduced production efficiency.
Dimpleflo™ dimpled tubes are designed to improve turbulence and heat transfer in suitable applications. This can help reduce fouling-related performance loss and support more reliable operation compared with underperforming standard tubes. The dimpled tube profile helps encourage fluid movement along the heat transfer surface, which can help reduce the impact of deposits in challenging chemical duties. While every application should be assessed individually, Dimpleflo™ retubing can be a valuable option for chemical plants looking to improve heat exchanger performance and maintenance outcomes.
Dimpleflo™ can support anti-fouling heat exchanger performance by upgrading suitable existing units with dimpled tube technology. While no tube can eliminate fouling in every chemical process, Dimpleflo™ helps reduce fouling impact in challenging applications. For chemical industry heat exchangers exposed to scaling, viscous fluids, suspended solids or process residues, Dimpleflo™ can help improve turbulence and heat transfer efficiency. This makes it a practical anti-fouling heat exchanger retubing solution for suitable equipment and operating conditions.
Retubing can be a cost-effective alternative when the heat exchanger shell and structure are still suitable for service. Instead of replacing the full unit, Dimpleflo™ retubing renews the tube bundle to recover performance and extend equipment life. For chemical plants, this can reduce capital expenditure, minimise downtime and avoid the need for a complete heat exchanger replacement. Retubing is especially useful when performance issues are mainly related to tube wear, fouling, blockage or reduced heat transfer rather than failure of the full exchanger body.
Dimpleflo™ can support chemical process heating, chemical cooling, solvent temperature control, polymer and resin processing, viscous fluid duties, scaling liquids, crystallising fluids and waste heat recovery applications. It can also be considered for chemical processes where fouling, pressure drop, or heat transfer losses are affecting productivity. Each application should be reviewed based on the fluid properties, operating temperature, pressure, materials of construction and maintenance requirements.
Yes, where the existing exchanger is suitable for retubing. Tube material selection should be reviewed based on the chemical duty, operating temperature, pressure and compatibility requirements. In corrosion-prone chemical environments, selecting the right tube material is critical to long-term performance. Dimpleflo™ can assess suitable retubing options to help restore heat transfer while considering chemical resistance, durability and operating demands.
Signs may include reduced heat transfer, unstable outlet temperatures, higher energy use, increased pressure drop, frequent cleaning, visible tube wear, corrosion, leaks, blockages or recurring fouling problems. If these issues are affecting production efficiency or causing repeated maintenance shutdowns, retubing may be worth reviewing. A heat exchanger assessment can help determine whether the existing unit is suitable for Dimpleflo™ retubing or if another repair or replacement option is required.
The retubing timeframe depends on exchanger size, tube quantity, material requirements, site conditions and project scope. Dimpleflo™ offers fast turnaround options where suitable, to help reduce downtime. For chemical plants, project timing may also depend on shutdown schedules, access requirements and whether specialist materials are needed. Early planning can help reduce operational disruption and ensure the retubing solution is aligned with maintenance and production timelines.
Retubing is often more cost-effective than replacing the full heat exchanger when the existing shell and structure remain suitable. It can restore performance, reduce downtime and extend asset life without the cost of a completely new unit. For chemical industry facilities, this can be particularly valuable when heat exchanger performance has declined due to fouling, tube wear or reduced heat transfer. Dimpleflo™ retubing enables upgrading suitable equipment while managing maintenance budgets and improving lifecycle value.

Still have questions? Contact us to discuss your specific chemical heat exchanger retubing requirements and applications.

Contact Us