Design options:

• Plates Stainless steel, nickel and nickel alloy or titanium plates

• Plates vary in thickness from 0.6mm to 1.0mm

• Shells can be made from steel or stainless steel

• Areas to 5,000 m2

Design PressureDesign Temperature
150 bar
400 deg C

Plate and Shell

The plate and shell heat exchanger is a relatively new concept in heat transfer. For many years plate type heat exchangers have been encroaching in areas that were previously served by traditional shell and tube. This is no surprise since plate exchangers can achieve much higher heat transfer coefficients due to the density of heat transfer area per unit of volume combined with their turbulence inducing profile. Despite their obvious advantages in size and cost, some applications have remained off limits for plate exchangers due to their two main weaknesses (pressure limit, temperature limit and gasket compatibility). By placing a stack of corrugated plates into a shell, a plate and shell heat exchanger can take advantage of the performance advantages of a plate type exchanger yet retain the high pressure and temperature limits seen in a shell and tube. Since the plate pack is welded (ours is 100% laser welded!) there are no gasket compatibility issues.

Air cooler

Here are some possible configurations:

How does it work...

  • Corrugated plates are stacked and laser welded together in a plate pack.
  • The plate pack is placed in a shell.
  • One fluid flows in through the plate ports, across all of the plates and then out the other port.
  • The second fluid flows into the shell and across the plate face between the welded plates in the pack then out the other end of the shell.
  • The flow pattern and configuration is very similar to a U-Tube heat exchanger and therefore is easy to adapt for any application where a U-Tube would be suitable.

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