INSTALLATION, OPERATION and MAINTENANCE MANUAL | 75
dimensions given in the customer
drawing. If leaks continue, see
paragraph below.
Open the GPHE and inspect the plates
and gaskets. There must not be any
cuts, cracks, debris, or flat spots on the
gaskets. Glue free gaskets must not
have any debris under the gasket. The
plates must be clean and free of heavy
scratches or dents on both sides.
Replace all defective parts.
Identify the source of chemical attack
and correct by either eliminating the
corrosive agent or changing the gasket
material.
Cross-contamination
1. Cracks in one or more plates.
These may be caused by fatigue
resulting from pressure.
2. Holes in the plates caused by
corrosion.
Open the GPHE and inspect the plates.
Replace the defective parts. Identify the
source of pressure fluctuations and
correct.
Dye penetrant or alternative in situ
testing may be required to identify
cracks in the plates. If this is the case,
contact your SPX FLOW representative.
Identify the source of corrosion and
correct by either eliminating the
corrosive agent or changing the plate
material.
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