Duo-Fine® GT Series Filter Cartridges product photo Primary L

Duo-Fine® GT Series Filter Cartridges

High Performance Pleated Filter Cartridges Improve Lubrication System Performance
  • 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


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Description

High Performance Pleated Filter Cartridges Improve Lubrication System Performance
  • 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

Specifications

Performance Specifications

Filter Grade:
3 micron (nominally rated)

Recommended Change Out Differential Pressure1:
2.4 bard (35 psid)

Maximum Differential Pressure: 
6.9 bard (100 psid) @ 20°C (68°F)
3.4 bard (50 psid) @ 65°C (150°F)

Product Specifications

Materials of Construction:

Filter Media:

Borosilicate microfiberglass with acrylic binder

Support Material:  Polypropylene
Hardware:  Polypropylene  
Gaskets/O-rings: Nitrile (standard), fluorocarbon elastomer, silicone elastomer, hydrocarbon rubber

Dimensions (nominal):
Outside Diameter: 6.6 cm (2.6 in)
Inside Diameter:  2.78 cm (1.09 in)

Lengths:

25.4 cm (10 in), 50.8 cm (20 in),
68.6 cm (27 in), 76.2 cm (30 in),
91.4 cm (36 in), 101.6 cm (40 in)
1 Provided that the maximum differential pressure is not exceeded based on temperature limits defined above.

Performance

Typical Flow vs. Differential Pressure for Application Sizing

Unit conversion: 1 bar = 100 kPa
Flow rate is for a 25.4 cm (10 in) cartridge. For liquids other than water, multiply differential pressure by fluid viscosity (cP).

Micrograph of Duo-Fine GT Series Filter Media

Type

Filter Cartridges

Ordering Information

Pall Part Number = DFGT 1 - 2 U 3 - 4


Table 1

 
Code Filter Grades
3 3 µm
 


Table 2

 
Code Cartridge lengths (cm / in) nominal
10 25.4/10
20 50.8/20
27 68.6/27
30 76.2/30
36 91.4/36
40 101.6/40
 


Table 3

 
Code Gasket/O-ring materials
S Silicone
N Nitrile (standard)
E Hydrocarbon rubber
V Fluorocarbon elastomer
 


Table 4

 
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)2
 
2 For details, contact Pall Corporation.

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