• Best suited for fluids with high solid contents (i.e. slurries)

• Constructed of steel or stainless steel

• Shell diameter up to 2m

• Spiral width up to 1.5m

• Spiral spacing 8 – 45mm

• Surface area to 500m2

• At this point only PED available ​

Design PressureDesign Temperature
24 bar400 deg

Typical Applications

  • Refineries
  • Biogas
  • Waste water
  • Pulp and paper


Spiral heat exchangers are manufactured using two metal plates wound together leaving two parallel channels where fluids can flow in a counter-current direction. They offer excellent thermal approaches but are best suited for high fouling fluids like slurries or fluids containing fibrous material.