Beschreibung
Depth Filters for Aggressive and High Temperature Fluids
- All PTFE construction for compatibility with a wide range of process fluids
- Available in retention ratings of 0.5, 1, 3, 10, or 25 microns (μm)
- Fits into most standard housings
- May be used as a final filter in many applications, or to provide superior protection for membrane final filters
- PVDF and PFA housings are available for use in all fluoropolymer filtration systems
- M31 or DOE end configurations are available as standard products
1 Modified M3 end cap configuration features single 222 O-ring; M3 equivalent to Pall Code 3.
Anwendungen
Applications
- Acid etch systems - including Piranha Etch Solvent Strip applications
- Most aggressive and/or high temperature acids or solvents
Recirculating Applications
Retention ratings, by convention, are for single pass applications. Many applications involve recirculating systems, where the filter media has several opportunities to capture contaminant. For example, in a 15.1 liter (4 gallon) system circulating at 7.6 lpm (2 gpm), the fluid passes through the filter cartridge five times in ten minutes. Thus, the effective retention of a filter cartridge is much finer. Specifically, a cartridge rated at 0.5 μm (nominal) on a single pass is often an effective 0.2 μm (nominal) filter on a recirculating basis.Multi-Pass
Spezifikationenn
Performance Specifications
Filter grades
0.5, 1, 3, 10, 25 μmMaximum operating temperature
PTFE is broadly compatible with many chemicals up to 185°C (365°F)2Product Specifications
Materials of construction
| Filter media: | PTFE (fluoropolymer) |
| Center core: | PTFE |
| 222 O-ring: | FEP encapsulated fluorocarbon elastomer (standard) |
Dimensions (nominal)
| Outside diameter: |
|
| Lengths: | 25.4 cm (10 in.), 50.8 cm (20 in.), 76.2 cm (30 in.) |
Additional High Temperature Materials
Pall can also supply DFT Classic filter cartridges in polyphenylene sulfide (PPS) for high temperature and aggressive applications. Additional PTFE products are also available, including the Fluoryte™ Series filter cartridge, an all-fluoropolymer membrane cartridge. Contact your local Pall representative or distributor for specific information on these products.
2 Because so many factors (e.g. elevated temperatures) can affect thechemical resistance of a given product, you should pre-test under your
own operating conditions observing applicable safety practices such as
those given in the Material Safety Data Sheet for each chemical. Pall
Corporation can provide specific compatibility guidance, testing and data
upon request.
Leistung
Liquid Retention Ratings (μm) (by ASTM F-795 Test)
| Single Pass | Multi-Pass |
| 0.5 | 0.2 |
| 1 | 0.5 |
| 3 | 1 |
| 10 | 3 |
| 25 | 10 |
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).
Typ
Filter Cartridges
Bestellinformation
Pall Part Number = T [1] [2] [3] Y – [4]
3 For details, contact Pall Corporation.
Table 1
| Code | Filter grades (μm) |
| 0.5 | 0.5 |
| 001 | 1 |
| 003 | 3 |
| 010 | 10 |
| 025 | 25 |
Table 2
| Code | Diameter (cm/in.) nominal |
| A | 6.35/2.5 |
| BB | 7.14 /2.81 |
Table 3
| Code | Cartridge lengths (cm/in) nominal |
| 10 | 25.4/10 |
| 204 | 50.8/20 |
| 304 | 76.2/30 |
Table 4
| Code | End configurations |
| Blank | DOE industrial |
| M3 | SOE flat closed end, external 222 O-ring (retrofits other manufacturers’ Code 0)3 (“BB” diameter) – only |
3 For details, contact Pall Corporation.
4 If selecting Code ‘A’ (Table 2) and Code ‘20’ or ‘30’ in Table 3, add a ‘W’ in front of the Table 3 code. For example, ‘AW20’ or ‘AW30’ for the correct part number.
Rezensionen
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