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Heat Exchangers


A crucial component for numerous industries we work alongside.
Advanced Chemical Etching (ACE) has developed new innovative process technologies for the manufacture of plate heat exchangers, cooling plates and cold plates for the chemical, petrochemical, linear motor, electronics, automotive and aerospace cooling sectors.

Key Facts About Heat Exchangers


What is a Heat Exchanger?

A plate heat exchanger is a type of heat exchanger that uses metal plates to transfer heat between two fluids.

What Metals are they produced in?

Manufactured by the ACE photo etching process from Stainless Steel, Aluminium, Titanium or Inconel©

What are the Benefits of Etching?

Photo etching leaves no mechanical or thermal stress, unlike CNC machining, stamping and laser machining, which can compromise planarity (flatness).

After the Etching...

The photo etched plates are stacked and diffusion bonded, diffusion brazed or brazed together to make the heat exchanger.

Benefits of the etching Process

  • Low set-up costs and fast lead times make etching a go-to process in batch sizes of one to multiple millions.

  • The tooling for etching is digital, low-cost and can be modified quickly.

  • No heat or force is used when etching so mechanical properties remain unaltered and parts are free from stresses and burrs.

  • The tooling for etching is digital, low-cost and can be modified quickly.

  • Flat blanks etched then diffusion bonded or brazed.

Typical Heat Exchangers Components


Cold plates
Heat sinks
Plate heat exchangers
Cooling plates
Printed circuit heat exchangers

Metal Grades For Heat Exchangers

  • Aluminium

  • Titanium

  • Stainless Steel

  • Nickel alloys

  • Copper

More Information on Heat Exchangers

  • Micro-Etched Fluid Flow Channels

    Heat Exchangers are produced as flat plates with precision micro-etched fluid flow channels in either the top or both the top and underside surfaces. This is also known as printed circuit heat exchangers (PCHEs), as the process of manufacture is the same process as printed circuits hence the product name.

  • Space & Weight Benefits

    Much smaller than shell and tube heat exchangers delivering excellent space and weight benefits, plate heat exchangers can have a pressure capability of 600 bars (9000 psi) while coping with temperatures ranging from cryogenic to 900°C (1650°F). More than two process streams can be incorporated in a single unit and the requirement for piping and valves dramatically reduced.

  • A Wide Range of Materials

    The association of chemical etching and diffusion bonding processes into a single product allows the use of a wide range of materials, which, subsequently, allows the use of a variety of clean fluids in the heat exchanger (including corrosive ones).

  • More Functionality

    Reaction and mixing can also be incorporated in the plate heat exchanger design, economically increasing functionality in a single unit.


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