1235 Hickory Street; Pewaukee, WI 53072
For Customer Support: 800-558-7008
monitoring of the Filtration System with the use of these fluids is highly recommended.
Failure to identify cavitation will lead to destruction of the pump valves and filter media.
Inverted Emulsions
Inverted Emulsions consist of a mixture of petroleum-based oil and water. Typically, the
proportions are 60% oil and 40% water. All Trico particulate filter medias are compatible
with these types of fluids and should be used in lieu of the Trico water removal filters.
Filters should be sized conservatively for water emulsions since they are non-
Newtonian and their viscosities are a function of shear. Potentials do exist for cavitation
similar to high water-based fluids; therefore, monitoring of the Filtration System with the
use of these fluids is highly recommended. Failure to identify cavitation will lead to
destruction of the pump valves and filter media.
Water Glycols
Water glycols consist of a mixture of water, glycol, and various additives. All Trico
particulate filter medias are compatible with these types of fluids and should be used in
lieu of the Trico water removal filters. Potentials do exist for cavitation similar to high
water-based fluids; therefore, monitoring of the Filtration System with the use of these
fluids is highly recommended. Failure to identify cavitation will lead to destruction of the
pump valves and filter media
Phosphate Esters
Phosphate Esters are classified as synthetic fluids. All Trico particulate and water
removal filter medias are compatible with these types of fluids.
When to Change the Filter and Procedure
The filter head is outfitted with three pressure gauges. The first gauge nearest to the
pump output indicates the pressure being produced by the pump. The second gauge
between the filter heads indicate the pressure between the two filters, or set of filters on
the Filtration Cart. The third gauge near the discharge wand/hose indicates the pressure
after the second filter element or set. To determine when each filter element, or set, is at
its maximum holding capacity, calculate the differential pressure by subtracting the
higher pressure from the lower pressure to get the total differential pressure across the
filter head. Differential pressure is used to determine filter usage. Filters should be
changed at
40 psi
differential.
Example:
P1 (Pressure Produced by Pump)= 43 psi
P2 (Between Filters)= 35 psi
Differential Pressure= P1-P2 = 43psi - 35psi = 8psi (filter still has remaining life)
To change the filter:
1. Place an oil catch pan beneath the filter to catch remaining oil in the filter and
head that will come out during the filter change.
