Graphite and SiC Heat Exchangers
In some applications, corrosive fluids are used that cannot be tolerated by metal equipment. In those cases, heat exchangers manufactured from either impervious graphite or silicon carbide (SiC) can offer both a viable and reliable solution. We offer world-leading technologies in corrosion resistant materials and engineered equipment. Together with our expert partners in the field of anti-corrosion equipment, we will work with you to develop a solution you can trust.
More Information
For more information about our graphite and SiC heat exchangers, download our brochure.

Block-Type
This equipment consists of drilled blocks made from graphite or silicon carbide typically stacked together with gaskets in-between to provide the necessary surface area.
Graphite (Graphilor®)
- Large heat transfer areas (up to 300 m2).
- Large range of block sizes from 140 to 1,500 mm diameter.
- Design for pressures up to 16 bar (service side) and 12 bar (process side).
- Headers – available in Graphilor®, stainless steel, reactive metals, PTFE or rubber lined steel.
- Multi-pass arrangements possible for both process and service sides.
- Cubic-block style available for applications with temperature cross or with corrosive fluids on both process and service sides.
Silicon Carbide (Polybloc®)
- Resistant to temperatures of nearly 1000°C.
- Universal anti-corrosive solution.
- Pressure resistance up to 40 bars.
- High thermal shock resistance compared to graphite and glass-lined heat exchangers.

Shell & Tube-Type
The tubes, tube plates and bonnets of this equipment is made of corrosion proof materials such as graphite, silicon carbide, or fluoropolymer.
Design Features
- High heat transfer areas (up to 1,000 m2).
- Designed pressure = 11 bar (service side) and 7 bar (process side).
- Headers – standard is Graphilor® 3 XBS, many other materials available.
- Tubes and Tubesheet:
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- Diameters = 25/16, 32/22, 37/25 and 51/38 (special diameter on request).
- Tubes in Graphilor® 3 up to 6m long tubes without a joint.
- Graphilor® 3 XC option for severe application (up to 400°C).
- Shell:
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- Diameter = 10” – 82”.
- Carbon steel shell as a standard.
- Other materials are available: stainless steel, CL-Clad® tantalum or massive metals (tantalum, zirconium, titanium), rubber lined, PTFE lined, glass lined.
Not sure what the problem is with your equipment?
Send your heat exchanger or plate pack to our workshop and we can help you diagnose and fix the issues!