@Mike Halloran
The problem with sheet metal pressing is that they use a special white fluid so that the metal sheet may not burst open when pressed in a die to create different patterns on the heat exchanger plate. I am not sure that the fluid is hygenic or not, because the heat exchanger is to...
Which processes are involved in the manufacturing of Plates of Plate heat exchangers???
Is it sheet metal pressing and cutting or there is some other process involved??