Description
The Varafine T series of cartridges are uniquely suited for the filtration of hot DI water.
- Available in removal ratings of 0.02 μm, 0.1 μm and 0.2 μm
- Double layer, patented highly asymmetric polysulfone membrane provides high flow rates with low pressure drops
- No prewetting required with the hydrophilic polysulfone membrane
- Polysulfone/ECTFE hardware provides resistance to hot UPW
- Rapid rinse-up
- Integrity testable
- Manufactured in cleanroom environment
Specifications
Materials
- Medium: Hydrophilic asymmetric polysulfone
- Core, cage and endcaps: Polysulfone
- Support and drainage: ECTFE
- Sealing method: Thermal bond
- O-ring: Teflon1 encapsulated Viton1 (standard)
Removal Ratings
- 0.02 μm, 0.1 μm, 0.2 μm
Configurations
- Nominal length:
- 4 in. / 102 mm
- 10 in. / 254 mm
- 20 in. / 508 mm
- 30 in. / 762 mm
- 40 in. / 1016 mm
- Diameter: 2.6 in / 66 mm
- O-ring size/end caps:
- Code M3 (222 double O-rings/flat end)
- Code M8 (222 double O-rings/finned end)
- Code M7 (226 double O-ring/bayonet lock/finned end)
Operating Conditions
- Maximum operating temperature: 203 °F/95 °C
- Maximum forward differential pressure:
- 90 psid @ 68 °F / 6.2 bar @ 20 °C
- 60 psid @ 203 °F / 4 bar @ 95 °C
Integrity Test Values2
Per 10 in. / 254 mm segment- 0.02 μm < 30 cm3/min @ 50 psig / 3.4 bar
- 0.1 μm < 24 cm3/min @ 25 psig / 1.7 bar
- 0.2 μm < 20 cm3/min @ 20 psig / 1.4 bar
1 Viton and Teflon are trademarks of DuPont Dow Elastomers.
2 Test fluid used is 100% H2O
Performance
Pressure Drop vs. Liquid Flow Rate
Flow Characteristics of 10 in / 254 mm Varafine T Filter Cartridges
Type
Filter Cartridges
Ordering Information
This information is a guide to the part number structure and possible options. For availability of specific options and housing details, please contact Pall.
Example Part Number: VTSE 100 30 M7 T ( See bold references in tables below)
Part Number:
VTSE < Removal Rating Code from Table 1 > < Nominal Length Code from Table 2> < Cartridge End Configuration Code from Table 3 > < O-ring Material Code from Table 4 >
Unit conversion: 1 bar = 100 kilopascals
Example Part Number: VTSE 100 30 M7 T ( See bold references in tables below)
Part Number:
VTSE < Removal Rating Code from Table 1 > < Nominal Length Code from Table 2> < Cartridge End Configuration Code from Table 3 > < O-ring Material Code from Table 4 >
Table 1 - Removal Rating (μm)
| Code | Removal Rating (μm) |
| 020 | 0.02 |
| 100 | 0.1 |
| 200 | 0.2 |
Table 2 - Nominal Length (in / mm)
| Code | Nominal Length (in / mm) |
| 4 | 4 / 102 |
| 10 | 10 / 254 |
| 20 | 20 / 508 |
| 30 | 30 / 762 |
| 40 | 40 / 1016 |
Table 3 - Cartridge End Configuration
| Code | Cartridge End Configuration |
| M3 | SOE flat closed end, 222 O-rings |
| M7 | SOE fin end, 226 O-rings |
| M8 | SOE fin end, 222 O-rings |
Table 4 - O-ring Material
| Code | O-ring Material |
| S | Silicone |
| E | EPDM |
| V | Viton A |
| T | Teflon Encapsulated Silicone |
| F | Teflon Encapsulated Viton A |
| C | Chemraz3 |
3 Chemraz is a trademark of Greene Tweed, Inc.
Unit conversion: 1 bar = 100 kilopascals
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