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Fouling between the DuoSafety plate pair
indicates that at least one of the DuoSafety
plates has a defect. In this case, both plates in
the DuoSafety plate pair must be removed from
the plate heat exchanger.
9.4 Gasket replacement
For ordering of spare parts and for re-
gasketing, refer to section 10: “Spare Parts”.
In a small number of cases, gaskets may be
attached with glue. For the correct and
important processes for removing the glued
gasket correctly and fitting of new gaskets
correctly, consult APV service.
9.5 Re-assembly
Wipe the top bar clean with a soft cloth.
Apply suitable grease on the hanging surface
where plates will slide.
When replacing old plates, ensure that the
new plates are reinstalled in the correct
sequence and orientation as stated on the
PHE Plate arrangement drawing.
Ì! Do not permanently bend or scratch the
plates or damage the gaskets during the
installation. Some plates must be carefully
bent to install them.
Push the plates towards the head checking
carefully that they are correctly mounted.
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