Alfa Laval Compabloc Plate Heat Exchanger CPF30

Reassemble heat exchanger with original components

Ensure all panels are fully tightened

Enter the design pressure indicated on the nameplate

Is the hydraulic test being conducted with one circuit empty and the other full and pressurized at design pressure?

Is the maximum allowed differential pressure not exceeded during the test?

Enter the pressure of the second circuit to secure the differential pressure

Ensure chemical cleaning is carried out by authorized and qualified personnel.

Take all necessary protection and precautions for health, safety, and environment regarding chemicals.

Ensure compatibility of cleaning agents with materials of construction such as metal and gaskets.

Select the type of deposit and corresponding cleaning agent

Follow complete cleaning protocol including agent, concentration, temperature, and time.

Check external elements of the heat exchanger

Inspect all welds for cracks, defects, and corrosion

Check painting for local absence of coating and blistering

Proceed with internal examination?

Estimate condition of internal elements

Dismantling Procedure for Panels

Progressively loosen the nuts one girder after the other

Loosen bottom nuts one panel after the other

Do not unscrew stud bolts or nuts for girder assembly to top and bottom heads

Remove panels starting with the highest weight and finish with the lowest weight

Use welded or screwed lifting lugs to lift panels safely

Clean gasket seating surface thoroughly without scratching

Ensure the Compabloc is empty before opening.

Collect remaining fluid to prevent environmental pollution.

Are both circuits completely drained?

Are both circuits not pressurized and drains open?

Mark panels with identification symbols for correct re-installation.

Ensure panel is secured and cannot fall when unscrewed.

Fix the Compabloc to the floor to prevent tilting during dismantling.