AK20 Heat Exchanger | Alfa Laval Plate Heat Exchanger | Alfa Laval AK20 Plate Heat Exchanger | PHE Machine A heat Exchanger which uses metal plates to move heat between two fluids is called a plate heat exchanger. It’s main benefit above a conservative heat exchanger is organism that the fludis are out to a much bigger outside area as they spread out over the plates. Make :- Alfa Laval Model :- AK20 Machine Type :- Plate Heat Exchanger Features :- Heat, Oil & Chemical Resistant. Withstand Very high and low Temperature Satisfactory Stability Low-Energy use