Material of filter element components:
Filter material : Hydrophilic PTFE (DIPTFE) membrane
Supports/Diversion : PP
Core/Cover/End cover/End caps : PP
Sealed leads/Fins : PP,Built in stainless steel
O-Ring : 222,226 silicon rubber etc.
Sealing technology : Hot melt without adhesives
Characteristics and features
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Excellent high-tem resistance and extensive chemical compatibility.
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All constituent materials comply with the biological test characteristics of USP Class VI 121 ℃ plastic products, and comply with the food contact materials listed in the relevant provisions of Chapter 21 of the United States Federal Regulations (CFR).
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Excellent hydrophilicity, suitable for sterilization and filtration of strong acid and alkali liquid.
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The sampling of filter element successfully passed the bacterial challenge test required by regulations, LRV≥7.Integrity can be maintained after repeated high-pressure disinfection.
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Each filter element should pass the integrity test before leaving the factory. The limitations of integrity testing were correlated with the results of bacterial challenge experiments.
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It is manufactured under ISO 9001 and ISO 14001 systems and Class 100 environment.
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Production and usage are traceable.
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Large air flow, low differential pressure and long service life.
Technical specifications and operating parameters
| Size | Diameter: 2.75" (69 mm) Length: 5"/10"/20"/30"/40" etc. |
| Filtration Area | Single 10" filter element is about 0.65m² |
| Minimum Bubble Point of Integrity Test Data | 0.22μm: ≥ 0.1MPa 0.45μm: ≥ 0.06MPa |
Accumulated Steam Sterilization Time
(IPA/Alcohol) | 121°C, 100 hours 140°C, 40 hours Under experimental conditions |
| Maximum Differential Pressure | Positive:0.4MPa Negative:0.2MPa
25°C |
Typical application
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Sterilization and filtration of corrosive liquid
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Disinfection and filtration of solvent
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Sterilization and filtration of strong oxidizing liquid
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Filtration of chemical reagents
Ordering information
| 1 | 2 | | 3 | 4 | 5 | 6 | 7 |
| DIPTFE | 0.22 | --- | 10 | A | S | P | --X |
| 1 | Membrane | DIPTFE membrane |
| 2 | Pore size | 0.1, 0.22, 0.45um |
| 3 | Length | 5” / 10” / 20” / 30” / 40” |
| 4 | Connector/End Cover A/AA/B/BB/C/CC/D/E/EE/F | Spear+222 Spear+222adapter with encapsulated reinforcing stainless steel ring Flat+222 Flat+222adapter with encapsulated reinforcing stainless steel ring Spear+226 Spear+226adapter with encapsulated reinforcing stainless steel ring Flat+Flat Flat+226 Flat+226adapter with encapsulated reinforcing stainless steel ring Flat+215 Spear+3 Flange Bayonet adapter |
| 5 | Gasket Material S, E, F, FF | S:silicon rubber E:EPDM rubber F:Fluorine rubber FF:Encapsulated fluoroelastomer |
| 6 | Application | Pharmaceutical grade for bio-pharmaceutical&food and beverage industry |
| 7 | Special Specification Remarks | Standard Specification Default |
Note: The service life of the steam sterilization and other technical parameters are tested under strictly controlled experimental conditions. However, the actual operating conditions and experimental conditions will be different. For the application of a specific process, the performance of the filter needs to be verified and confirmed.
Conformed to the trend of high-tech development, LENGE increased investment in R & D and technological innovation of
pleated filter cartridges. Through the cooperation with foreign specialists and provincial university laboratories, LENGE has
mastered the core technology of micro-pore membrane, developed micro-pore membrane and related components,
promoted technological innovation and product upgrading in filter cartridge industry.
Main contents of filter verification
● Microbial survival test
● Challenge test of bacteria and other microorganisms
● Chemical compatibility test of filter components
● Filter cartridge dissolution test
● Product wet integrity test
● Flow-differential pressure test
● Autoclave resistance test
● Test and analysis of various indexes of filter fluid
