 
SUITED FOR:
hydraulic systems with pumps,
servo valves,
proportional valves,
cartridge valves, and
cylinders
APPLICATIONS:
dedicated units designed
for field retro-fit installation
for stationary or mobile
hydraulic equipment
 FULL SPEC SHEET
RELATED PRODUCTS:
Focus Portable Units
Electric Filtration Units
Water/Glycol Filtration Units
TESTIMONIAL:
“Before the Filtroil by-pass filtration units were installed we were repairing
upwards of 120 servo valves per year because of carbon black getting into
the tight clearances. After we installed the Filtroil system we dropped our
ISO cleanliness code by 7 grades and have had Zero servo valve repairs
since the installation.”
- John Petron, Bridgestone Firestone
Link to full testimonial
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HYDRAULIC FILTRATION UNITS
Our dedicated hydraulic filtration units can be installed to individual pieces of equipment by tapping into the hydraulic pressure line, bleeding off a small amount of oil and returning back to the system reservoir. This type of installation is ideal for mobile or light industrial equipment where there would be a benefit to extended oil drain intervals and increased hydraulic component life. The elements will filter down to 1 micron absolute removing contaminants wear metals and moisture. The units come with a test drain valve allowing samples to be taken prior to filtration representing the entire hydraulic system cleanliness.
 How to Install
How to Change an ElementHow to Take a Good Oil Sample
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BU-30 |
BU-50 |
BU-100 |
BU-200 |
BU-400 |
| Overall Dimensions |
5.3"x12" |
7.2"x11.5" |
8.9"x12.2" |
9.4"x12.2" |
20"Wx10.5"D x17.5"H |
| Net Weight |
13 lbs. |
16 lbs. |
21 lbs. |
25 lbs. |
46 lbs. |
| Quantity of Oil in Machine |
up to 50 gal. |
up to 150 gal. |
up to 325 gal. |
up to 450 gal. |
up to 1000 gal. |
| Dirt Holding Capacity |
.6lbs. |
.75lbs. |
1lbs. |
1.25lbs. |
2.5lbs. |
| Oil (ISO) Cleanliness |
16/14/11 or better |
16/14/11 or better |
16/14/11 or better |
16/14/11 or better |
16/14/11 or better |
| Filtering Accuracy |
0.1 micron |
0.1 micron |
0.1 micron |
0.1 micron |
0.1 micron |
| Flow Rate |
.30 GPM |
.30 GPM |
.50 GPM |
.65 GPM |
1.20 GPM |
| Min/Max Pressure at Flow Control Valve |
100/5,000 PSI |
100/5,000 PSI |
100/5,000 PSI |
100/5,000 PSI |
100/5,000 PSI |
| Housing Burst Strength |
250-400PSI |
250-400 PSI |
250-400 PSI |
250-400 PSI |
250-400 PSI |
| Normal Viscosity |
9-180 c ST @ 40°C |
9-180 c St @ 40°C |
9-180 c St @ 40°C |
9-180 c St @ 40°C |
9-180 c St @ 40°C |
| Inlet Diameter |
SAE-4 (7/16-20) O-Ring |
SAE-4 (7/16-20) O-Ring |
SAE-4 (7/16-20) O-Ring |
SAE-4 (7/16-20) O-Ring |
SAE-6 (9/16-18) O-Ring |
| Outlet Diameter |
SAE-6 (9/16-18) O-Ring |
SAE-6 (9/16-18) O-Ring |
SAE-6 (9/16-18) O-Ring |
SAE-6 (9/16-18) O-Ring |
SAE-8 (1/2-20) O-Ring |
| Safety Valve Pressure |
65-70 PSI |
65-70 PSI |
65-70 PSI |
65-70 PSI |
65-70 PSI |
| Replacement Element |
30E 4.0"x4.5" |
50E 5.6"x4.5" |
100E 7.4"x4.5" |
200E 7.8"x4.5" |
(2) 200E 7.8"x4.5" |
| Replacement Gasket Sets |
30PS |
50PS |
100PS |
200PS |
(2)200PS |
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