Alfa Laval Plate Heat Exchanger M15-BFMC

Ensure all plates and gaskets are properly installed

Verify that the media side to be tested is closed

Ensure the other media side is open to the atmosphere

Enter the operating pressure of the unit

Is the operating pressure within the design pressure limit as stated on the name plate?

Perform pressure test on the closed media side

Did the pressure test confirm internal and external tightness?

Pasteurizers and Other Heaters Cleaning

Acid application duration (minutes)

Lye application duration (minutes)

High Content of Insoluble Components Cleaning

Preparation of Cleaning Solutions

Dissolve 1 kg of NaOH in 100 litres of water or mix 2.2 litres of 33% NaOH solution in 100 litres of water for lye solution.

Mix 0.7 litres of 53% HNO3 in 100 litres of water for acid solution.

Ensure that water used for cleaning solutions has less than 300 ppm Cl ions.

Is the CIP flow rate at least the same as the production flow rate?

Close the valves and isolate the heat exchanger from the rest of the system

Remove the protective sheets, if any

Dismantle pipes from the pressure plate and the connections plate(s)

Inspect the sliding surfaces of the carrying bar and wipe clean

Mark the plate assembly on the outside by a diagonal line

Measure and note down the dimension A