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Each plate is logged and visually inspected, to determine if it merits reconditioning. You will be informed if any plate is unserviceable and why. We cross check our database to confirm your unit's original specs, then conduct a very close visual inspection of gaskets and contact points on the remaining plates to determine if there is any erosion or apparent change from the original spec.
Then, we determine the precise cleaning and treatment process needed. Plates are pressure washed and rinsed, then subjected to either a hot caustic stripping and/or a manual procedure for gasket and scale removal.
They are then subjected to immersion in a variety of acids, compatible with the plate material, to remove the balance of any foulants. Cleaned plates are 100% visually inspected and a sampling of 10% is dye-penetrant tested for cracks, pin holes, or material failure. The plate is sprayed with dye and inspected to locate any pinhole leaks or cracks. Following this procedure, plates are again pressure washed and rinsed to remove all traces of the dye.
Plates are then regasketed with high quality replacement gaskets, using a softer, non-hardening, OEM-spec gasket adhesive, which does not require heat curing. This gluing method allows for easy field repair in the future should it ever be required.