Description
High Surface Area Pleated Cartridges With Polyester Hardware
- High surface area pleated cartridges combine excellent retention characteristics with high contaminant-holding capacity
- Polyester hardware provides excellent compatibility
- Available in retention ratings of 0.2 to 50 μm
- Thermal bonding eliminates epoxy potting, adhesives and glues
- Manufactured under ISO 9001 quality system
Specifications
Materials of Construction
| Filter media: | |
| 50 μm: | Spunbonded polyester |
| All other grades: | Borosilicate microfiberglass with acrylic binder |
| Support material: | Polyester |
| Hardware: | Polyester |
| Sealing: | Thermal bond |
| Gaskets/O-rings: | Fluorocarbon elastomer, nitrile, hydrocarbon rubber, silicone elastomer, FEP encapsulated silicone |
Dimensions (nominal)
| Outside Diameter: | 6.4 cm (2.5 in.) |
| Lengths (tip-to-tip): | 25.4 cm (10 in.), 50.8 cm (20 in.), 76.2 cm (30 in.), 78.5 cm (30.9 in.), 101.6 cm (40 in.) |
Particle Retention (μm)
| Cartridge Designation | Liquid Service (by ASTM F-795 Test) | Gas Service | |
| 90% Efficiency | >99.9% Efficiency | Removal Efficiency by DOP Test | |
| DFPT 0.2 | 0.2 | 1.0 | 99.999% |
| DFPT 0.45 | 0.45 | 2.0 | 99.998% |
| DFPT 1 | 1.0 | 4.0 | 96% |
| DFPT 3 | 3.0 | 10.0 | ------------ |
| DFPT 10 | 10.0 | 18.0 | ------------ |
| DFPT 30 | 30.0 | 45.0 | ------------ |
| DFPT 50 | 50.0 | 65.0 | ------------ |
Duo-Fine P Series filter cartridges have been extensively laboratory and field tested to determine removal efficiencies in the most stringent of operating conditions.
The removal rating of any filtration device will depend on, to some extent, the conditions under which it is used or tested. The test results will be influenced by the nature of the fluid, its viscosity, the flow rate, the type of contaminant, and the temperature.
The ratings given above represent the diameter of the largest hard spherical particle that will pass through the filter during standard test. Consult Pall for a complete description of Pall's test procedures.
Typical Flow vs. Differential Pressure for Application Sizing
Flow rate is for a 25.4 cm (10 in) cartridge. For liquids other than water, multiply differential pressure by fluid viscosity (cP).
Performance
Filter grades
- 0.2, 0.45, 1, 3, 10, 30, 50 μm
Recommended change-out differential pressure1
- 2.4 bard (35 psid)
Maximum differential pressure
- 5.2 bard (75 psid) @ 20 °C (68 °F)
- 2.8 bard (40 psid) @ 93 °C (200 °F)
Maximum operating temperature2
- 93 °C (200 °F)
1 Provided that the maximum differential pressure is not exceeded based on temperature limits defined above.
2 With compatible fluids.
Type
Filter Cartridges
Ordering Information
Pall Part Number = DFPT [1] - [2] E [3] - [4]
Table 1
| Code | Filter grades (μm) |
| 0.2 | 0.2 |
| 0.45 | 0.45 |
| 1 | 1 |
| 3 | 3 |
| 10 | 10 |
| 30 | 30 |
| 50 | 50 |
Table 2
| Code | Cartridge lengths (cm/ in.) nominal |
| 10 | 25.4/10 |
| 20 | 50.8/20 |
| 30 | 76.2/30 |
| 30.9 | 78.5/30.9 |
| 40 | 101.6/40 |
Table 3
| Code | Gasket/O-ring materials |
| S | Silicone |
| N | Nitrile |
| E | Hydrocarbon rubber |
| V | Fluorocarbon elastomer |
| T | FEP encapsulated silicone (O-rings) |
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)3 |
| M8 | SOE fin end, external 222 O-rings (retrofits other manufacturers’ Code 5)3 |
3 For details, contact Pall Corporation.
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