Customised Design

The MonoBlock™ heat exchanger is built-up of extruded polypropylene (PP) sheets. The PP-sheets are welded together using our patented welding method, enabling 100% air-tight joints. In customised design, the heat exchanger shape and outer dimensions are free, enabling a design of the heat exchanger core that uses all of the available space.

 

 

The material is well suited for harsh, corrosive environments and low temperature (<90°C) applications. The heat exchangers are available in flame retardant material fulfilling UL V-0.

 

Customised MonoBlock™ Design Features:

  • External dimensions (any)
  • Shape and form
  • Internal dimensions
  • Flow arrangement (i.e. cross-, counter-, parallel-, and multi-pass flow)
  

Flow arrangements

MonoBlock™ is available in pure cross flow and counter flow (see picture below). The pure cross flow heat exchanger can also be combined in one or multiple stages taking advantageous counter flow effects into account.

 

 

Outer dimensions

The MonoBlock™ heat exchanger is available in virtually any dimension up to maximum 1200x1200x1000 mm. Our manufacturing process enables a variety of geometrical shapes of the heat exchangers, such as; square, rhomb, rectangular, parallelogram and trapezoid.

 

 

Internal dimensions

The extruded PP-sheets are available in a large number of different thickness, ranging from 2.8mm to 7.0mm.

The welded joint is available in spacing ranging from 2.0mm to 10.0mm in steps of 0.1mm. Spacing (weld) thickness is not dependent on the extruded sheet thickness.

 

 

 

PP-sheets

There are ways to improve a certain property of the heat exchanger during the manufacturing of the PP-sheets.

 

UV Stabilizers: Ultra-violet stabilizers are added to give 5-7 years UV stability. Heat exchangers are however not normally exposed to UV-light.

 

Talc filled: Talc is added to the Polypropylene to give stiffer and more thermal stabile extruded sheets.

 

Heat treatment: The PP-sheets are heat treated during the extrusion process in order to release internal stresses in the material.

 

Flame retardant: Flame retardant additives are added to the virgin material in order to achieve UL V-0 flame retardancy.