描述
DI and High Purity Water Filter
- Proprietary highly asymmetric polysulfone membrane media
- High purity polypropylene hardware
- Superior flow rates
- Long service life
- End configurations to fit most housings
Applications
- Pre and post filter for DI water
- Point-of-use filter for DI water
- Filtration of aqueous chemical solutions
Specifications
Product Specifications
Materials of Construction
| Filter media: | Highly asymmetric polysulfone membrane |
| Support material: | Polypropylene |
| Hardware: | Polypropylene |
| Surface treatment: | Hydroxypropylcellulose |
| Sealing: | Thermal bond |
| Gaskets/O-rings: | Silicone elastomer, EPDM, nitrile, fluorocarbon elastomer, FEP encapsulated silicone |
Dimensions (nominal)
- Outside diameter: 6.6 cm (2.6 in.)
- Lengths: 10.2 cm (4 in.), 24.8 cm (9.75 in.), 25.4 cm (10 in.), 49.5 cm (19.5 in.), 50.8 cm (20 in.), 74.3 cm (29.25 in.), 76.2 cm (30 in.), 99.1 cm (39 in.), 102 cm (40 in.)
Liquid Flow Specifications
| Filter grade (μm) | DI water flow (25.4 cm/10 in equivalent) | |
| lpm/mbard | gpm/psid | |
| 0.05 | 0.05 | 1.0 |
| 0.1 | 0.09 | 1.7 |
| 0.2 | 0.16 | 3.0 |
| 0.45 | 0.30 | 5.5 |
| 0.65 | 0.33 | 6.0 |
| 0.8 | 0.38 | 7.0 |
| 1.2 | 0.44 | 8.0 |
Performance
Filter Grades
- 0.05, 0.1, 0.2, 0.45, 0.65, 0.8, 1.2 μm
Maximum Differential Pressure
- 5.5 bard (80 psid) @ 20 °C (68 °F)
- 1.4 bard (20 psid) @ 95 °C (203 °F)
Recommended Change-Out Differential Pressure1
- 35 psid (2.4 bard)
Food and Water Contact Use
- Please contact Pall Corporation to verify that the product conforms to your national legislation and/or regional regulatory requirements for water and food contact use.
Sanitizing Agents
- Cartridge may be sanitized in place with common oxidizing agents. Consult Pall for compatibility information.
Rinse-Up
- Cartridges will rinse-up to 18 Megohm-cm with a minimum of throughput.
Pre-Rinsing
- A pre-rinse is available upon request. Specify code 314 at the end of part number.
1 Provided that the maximum differential pressure is not exceeded based on the temperature limits defined above.
Type
Filter Cartridges
Ordering Information
Pall Part Number = WFN [1] - [2] U [3] - [4] [5]
Table 1
| Code | Filter grades (μm) |
| 0.05 | 0.05 |
| 0.1 | 0.1 |
| 0.2 | 0.2 |
| 0.45 | 0.45 |
| 0.65 | 0.65 |
| 0.8 | 0.8 |
| 1.2 | 1.2 |
Table 2
| Code | Cartridge lengths (nominal) cm/in. |
| 4 | 10.2/4 |
| 9.75 | 24.8/9.75 |
| 10 | 25.4/10 |
| 19.5 | 49.5/19.5 |
| 20 | 50.8/20 |
| 29.25 | 74.3/29.25 |
| 30 | 76.2/30 |
| 39 | 99.1/39 |
| 40 | 102/40 |
Table 3
| Code | Gasket/O-ring materials |
| S | Silicone (standard O-rings) |
| E | EPDM |
| V | Fluorocarbon elastomer |
| N | Nitrile (standard gaskets) |
| T | FEP encapsulated silicone |
| X | No O-ring required (M2 only) |
Table 4
| Code | End configurations |
| Blank | DOE with elastomer gasket seals & end caps |
| 1X | DOE, 2.54 cm (1 inch) extended core |
| M2 | SOE flat closed end fits housing with 020 O-ring post |
| M3 | SOE flat closed end, external 222 O-rings (retrofits other manufacturers' Code 0) 2 |
| M5 | DOE, internal 120 O-rings (retrofits 213 O-ring style) 2 |
| M6 | SOE flat closed end, external 226 O-rings (retrofits other manufacturers' Code 6) 2 |
| M7 | SOE fin end, external 226 O-rings (retrofits other manufacturers' Code 7) 2 |
| M8 | SOE fin end, external 222 O-rings (retrofits other manufacturers' Code 5) 2 |
| M10 | DOE, internal O-rings (fits other manufacturers' housings) 2 |
| M11 | SOE flat closed end, internal 120 O-ring (retrofits other manufacturers' X-style) 2 |
| M20 | SOE, internal O-ring (same as M10), closed end with deep recess |
Table 5
| Code | Pre-rinse options |
| 300 | No pre-rinse |
| 314 | Pre-rinse |
2 For details, contact Pall Corporation.
Segments
Photovoltaics
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