Setting The Pressure In The Vacuum Column; Recommended Vacuum Setting - Hydac FluidAqua Mobil FAM 5 Operating And Maintenance Instructions Manual

Setting the pressure in the vacuum column

Set the pressure in the vacuum column with the needle valve (3.68) and
check the vacuum using pressure gauge (3.37).
Note that the pressure to be set in the vacuum column is dependent, for
example, on the operating medium, the operating viscosity, the air or the
water content.

Recommended vacuum setting

The vacuum setting has an influence on the dewatering process, degassing
process, and the foaming behavior of the fluid.
• Start with -0.4 bar (600 mbar [absolute]).
• Observe saturation level (%Sat.) (AquaSensor).
• If the degree of saturation is over 80%, continue to operate the unit at
-0.4 bar (600 mbar [absolute]).
• If it is below 80%, the vacuum can be increased (relative pressure
reduced) to e.g. -0.6 to -0.5 bar (400 to 500 mbar [absolute])
o
• Be on the alert for foam formation and function problems, particularly
with high-viscosity media and operating media with high air and water
content.
FAM 5
BEWA FAM5 4166129a en-us 2019-03-04.docx
A vacuum setting of -0.4 bar is suitable for most
applications and operating conditions. Too high a vacuum
can lead to functional problems.
Lower residual water and residual gas contents are achieved.
en-US
Starting up the unit
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2019-03-04