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
- 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
- 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.