Ten top tips to keep your Compabloc welded plate heat exchanger in tip top condition


Ensure the Compabloc is properly installed. Contact Alfa Laval for support with installation, commissioning and start-up.

gloves on heat exchanger plate


Open and close valves slowly to avoid water hammer from pressure surges during start-up and shutdown.

welded plate heat exchanger detail


Make sure that the unit is properly vented. For large units, the vent connections should be kept opened and connected.

Man inspecting an Alfa Laval Compabloc welded plate heat exchanger


Check that the control system complies with the Compabloc manual to ensure stable operation and smooth temperature and pressure ramp up during start-up or shutdown. We suggest you contact Alfa Laval to train your operators for optimum and reliable operations.

Man checking control system for Alfa Laval Compabloc welded plate heat exchanger


Monitor the heat exchanger's performance and pressure drop proactively in order to better plan cleaning and maintenance. This will enable you to further improve the sustainability of the system. Alfa Laval can support you with a Performance Assessment that will determine the optimal cleaning intervals for your specific conditions.

man seen from behind sitting in front of computer


Use a cleaning method that is optimized according to the nature of your heat exchanger's duty. Alfa Laval's service experts can help you determine and implement the best practices for cleaning your unit.

cleaning equipment for welded plate heat exchangers


Change the panel gaskets every time you open the panels. Alfa Laval recommends that you keep a set of genuine spares designed for your unit in stock, so you can always be ready for maintenance.

Man checking panel gaskets on Alfa Laval Compabloc welded plate heat exchanger


Always grease the bolts of the heat exchanger after performing maintenance so that the unit is ready for the next maintenance interval.



Flush and/or drain your Compabloc in the case of a long shutdown. Double-check the tightening torque of all panels bolts before re-starting operation.

asian man inspecting compabloc welded plate heat exchanger


Take advantage of any planned shutdown period to check the actual state of your Compabloc. This will help you avoid unplanned stops. With a Condition Audit service, our experts can do this for you on location.

Man performing maintenance on welded plate heat exchanger