Heat Exchanger Services

NEM Balcke-Dürr’s heat exchanger service offers comprehensive solutions for the repair, maintenance, and optimization of heat exchangers. Our expertise spans the entire process—from initial inspection to detailed project planning and full implementation. Backed by numerous proven references, we are equipped to meet all project execution requirements, including inspection and repair work, manufacturing, and assembly. Our services include advanced engineering capabilities, on-site repair work, complete bundle replacements, retubing, and the disassembly and assembly of components including transport logistics. We also provide thorough construction site planning to ensure smooth and efficient project execution.

Service Support

Heat Exchanger Services Introduction NEM Energy

Engineering capability

✓ Repair works on site
✓ Bundle Replacements
✓ Retubing
✓ Disassembly and assembly including transport
✓ Construction site planning

Heat Exchangers Services Portfolio

Retubing
Bundle Replacement
Testing, Cleaning & Plugging
Installation & Disassembly

Retubing

Tube exchange of existing heat exchangers under limited time schedule and confined space conditions is our daily business.

We are well equipped with necessary tools for replacement of heat exchangers and condenser tubes. If necessary we will design and construct individual assembly aids.
Even if a high number of tubes or special material combinations make it challenging, we have a proper solution.

Special equipment for tube removal on stock – available at any time
Handling of any tube and tubesheet material combination
Shortest lead times due to individual and customized concepts

Heat Exchanger Services Retubing NEM Energy

Bundle Replacement

As a specialist for shell and tube type heat exchangers we supply new heat exchanger bundles as an individual solution. Here it does not matter the type of bundle, the type of product nor the application. We are able to serve any type of bundle such as U-type or straight and also Header-type.

We have references for bundle replacements up to largest components ever built. Beside others we replace bundles for condensers, feedwater heaters and district heaters.

Handling of any tube and tubesheet material combination
Based on our own engineering we can offer optimizations and upgrades
Design, manufacturing, disassembly and installation all from a single source
Special equipment for bundle removal on stock – available at any time

Heat Exchanger Services Bundle Replacement NEM Energy

Testing, Cleaning & Plugging

Supported by a broad range of special tools we are able to execute inspections and tests in order to evaluate the condition of entire heat exchangers or only parts of it.

As a provider for complete solutions we also offer an universal service including cleaning and repair, either on site or at one of our workshops.

Various test methods available such as UT, PT, RT and EC
Individual tools for cleaning available, e.g. vacuum blast, HP watercleaning (2.800bar), etc.
Tube plugging with several types of plugs
Great variety of welding procedures like narrow gap welding allowing repair of largest wall thicknesses
Own assembly equipment park and manpower enables quick response times

Heat Exchanger Services Testing Cleaning and Plugging NEM Energy

Installation & Disassembly

Based on countless executed projects we will have solutions for most challenging installation situations. Disassembly and assembly of both complete heat exchangers or heat exchanger parts, are one of our core competencies. We serve most difficult tasks by individual solutions and provide consultation under consideration of customer requirements.

Transport, feasibility and installation studies in 2D- as well as 3D- models
Special equipment such as chain milling tools available from stock
Individual lifting beams and chain hoists available from stock
Air cushion transport systems

Heat Exchanger Services Installation and Disassembly NEM Energy

Torsten Smidt - Director Business Unit Aftermarket Services - NEM Energy

Torsten Schmidt
Business Unit Director Aftermarket Services

Would you like to learn more about our Aftermarket Services or discuss how we can support your operations? Feel free to reach out to the Director of our Aftermarket Services Business Unit – we’re here to help and happy to answer any questions you may have.

Send Email