Duo-Fine® GT Series Filter Cartridges
High Performance Pleated Filter Cartridges Improve Lubrication System Performance
- Protects Critical Components From Abnormal Wear by Removing Harmful Contaminants
- Extends Lubricant Life Cycles and Lowers Regular Maintenance Costs
- High Surface Area Provides Significantly Higher Contaminant Holding Capacity than Wound or Sock Type Filter Cartridges
- Rigid Pleat Structure Withstands High Differential Pressures During System Start-Up
- Available in Standard Lengths to Retrofit Most Competitive Housings
Performance Specifications
Filter Grade:3 micron µm (nominally rated)
Recommended Change Out Differential Pressure1:
35 psid (2.4 bard)
Maximum Differential Pressure:
100 psid (6.9 bard) @ 68°F (20°C)
50 psid (3.4 bard) @ 150°F (65°C)
Product Specifications
Materials of Construction:
|
Filter Media: |
Borosilicate Microfiberglass with Acrylic Binder |
| Support Material: | Polypropylene |
| Hardware: | Polypropylene |
| Gaskets/O-rings: |
Buna N (standard), Viton2A, Silicone Elastomer, Nordel |
Dimensions (nominal):
| Outside Diameter: | 2 3/5" (6.6 cm) |
| Inside Diameter: | 1 3/32" (2.78 cm) |
|
Lengths: |
10" (25.4 cm), 20" (50.8 cm), 27" (68.6 cm), 30" (76.2 cm), 36" (91.4 cm), 40" (102 cm) |
1 - Provided that the maximum differential pressure is not exceeded based on temperature limits defined above.
2 - Registered trademark of DuPont Dow Elastomers.
Typical Flow vs. Differential Pressure for Application Sizing

Flow rate is per 10" (25.4 cm) cartridge. For liquids other than water, multiply differential pressure by fluid viscosity (cP).

Part Numbers/Ordering Information
DFGT
-
U
-
(e.g., DFGT 3-10UN-DOE)
| Code |
Filter Grades |
|---|---|
| 3 | 3 µm |
| Code |
Cartridge Lengths (nominal) |
|---|---|
| 10 | 10" |
| 20 | 20" |
| 27 | 27" |
| 30 | 30" |
| 36 | 36" |
| 40 | 40" |
| Code |
Gasket/O-ring Materials |
|---|---|
| S | Silicone |
| N | Buna N (standard) |
| E | Nordel |
| V | Viton A |
| Code |
End Configurations |
|---|---|
| DOE | DOE with elastomer gasket seals & end caps |
| M3 | SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0)3 |


