Plate Heat Exchangers used in free cooling applications – in some cases, do you end up with what you have paid for instead of what was asked for?

To take full advantage of potential energy savings that can be gained from free cooling, the heat exchanger must be selected correctly but it is not always easy to determine the best choice of supplier due to a surprising variation of sizes and prices available. Once closely examined it can transpire that the cheapest price […]

10 things that you may have not known about Gasketed Plate and Frame type Heat Exchangers

Suspended or dissolved Solids Similar to what happens in a flowing river – changes in velocity and direction can caused the solids to drop out of the general flow. If these particles stick together then a blockage can occur at the top / bottom of channels between the plates, or actually inside the channels. To […]

Quick Guide to Determine Pressure Drops

Need a quick way to determine what happens if you increase or decrease a water (or any other Newtonian Fluid) flow through a Plate Heat Exchanger? Do not have time to phone up the supplier, talk to someone who is not really interested in helping you because there is no potential sale involved, only to […]

Why Plate Heat Exchangers are not always the best solution

Companies manufacturing and/or selling Plate Heat Exchangers (PHE’s) often advertise and promote the following features of this type of heat exchanger: 1) they can be easily expanded 2) they are easily maintained 3) they are more efficient than shell and tube exchangers But are these sales claims completely accurate? In my opinion, no… Claim: “Easily […]