Filter Media Comparison
There are many types of filter media available today. Vector uses four main types as the foundation of our product line —Cellulose Filter Elements, Micro-Fiberglass Filter Elements, Stainless Steel Wire Cloth Filter Elements and Metal Felt Filter Elements. Below is a brief comparison of typical cost/performance characteristics that may be of assistance in helping to make the proper selection for your filtration applications.
| |
Cellulose
|
Micro-Fiberglass
|
Stainless Steel Wire Cloth
|
Metal Felt
|
|---|
| Initial Cost |
Low
|
Moderate
|
Low to High*
|
High
|
| Capture Efficiency |
Moderate
|
High
|
Low to High*
|
High
|
| Dirt Holding Capacity |
Moderate
|
High
|
Low to High*
|
High
|
| Differential Pressure |
Low to Moderate
|
Low to Moderate
|
Low to High*
|
Low
|
| Life in a System |
Moderate
|
High
|
Low to High*
|
High
|
| Fluid Compatibility |
Low
|
Moderate
|
High
|
High
|
| Cleanable |
No
|
No
|
Yes
|
Yes
|
| *The performance of stainless steel elements depends on the mesh size and the fluid system requirements. Contact us for more information. |
| Cleanliness required for typical hydraulic components |
|---|
| Component | ISO code |
|---|
| Servovalves |
16/14/11 |
| Proportional valves |
17/15/12 |
| Vane and piston pumps and motors |
18/16/13 |
| Directional and pressure control valves |
18/16/13 |
| Flow control valves and cylinders |
20/18/15 |
| New unused fluid |
20/18/15 |
The chart below provides a particle size comparison of the more recent ISO 16889 standard with the old ISO 4572 standard.
| Bx(c)=1000 (ISO 16889) |
2.5
|
5
|
7
|
12
|
22
|
| Bx=200 (ISO 4572) |
‹1
|
3
|
6
|
12
|
25
|
Beta Ratio/Efficiencies
|
Beta Ratios
|
Capture Efficiency
|
|---|
|
1.01
|
1.0%
|
|
1.1
|
9%
|
|
1.5
|
33.3%
|
|
2.0
|
50%
|
|
5.0
|
80%
|
|
10.0
|
90%
|
|
20.0
|
95%
|
|
75.0
|
98.7%
|
|
100
|
99.0%
|
|
200
|
99.5%
|
|
1000
|
99.9%
|
Filter Cross Reference Tool
|
