EVOH Nanofiber Membrane Filter Cartridge For Water Prefiltration
0.1μM 10"
Description of Water Prefiltration
WECHANFIB PO/EVOH membrane filter cartridge adopts EVOH nanofiber
membrane, which is high flux, high uniformity, high compatibility
and high hydrophilicity. It is widely used in removal of particles
in chemical solution; removal of particles in deionized water;
removal of bacteria and particles in gases and liquids of food and
beverage, microelectronic and bio- pharmaceutical industries.
Application of Water Prefiltration
- CMP polishing liquid filtration;
- Pre-filtration of microelectronics water;
- Sterile filtration of liquid;
- Final filtration of beverage;
- Culture, medium and biological regent filtration.
Features of Water Prefiltration
- Absolute pore size ensures the filtration of large particles while
allowing effective particles to pass through;
- High flow rate with long service life;
- Good biological and chemical compatibility;
- 100,000-level clean room manufactured;
- 100% integrity test for every filter cartridge before delivery.
Operating Characteristic of Water Prefiltration
| Outer Diameter | 2.7”/69mm |
| Length | 5”/127mm 10”/254mm 20”/508mm 30”/762mm 40”/1016mm |
| Pore Size | 0.1, 0.2, 0.45, 0.7, 1.0μm |
| Max. Operation Temperature | 80℃ |
| Max. Operation Pressure | Forward direction: 0.5 MPa(25±2℃) 0.24MPa(80±2℃) *It not recommend for reverse use |
| Filtration Areas | 5”≥0.34m²; 10”≥0.68m²; 20”≥1.36m² 30”≥2.04m²; 40”≥2.72m² |
| Integrity Testing | Bubble point≥60KPa 50KPa pressure,diffusion flow＜10ml/min Anhydrous ethanol was used as the wetting solution at 25°C, and
compressed air was used to test the bubble point values against the
diffusion flows. |
| Sterilization | 30 times (121.4℃,30 min offline high-pressure steam sterilization) |
| Bacterial Retention Capacity | Minimum retention rate 107 CFU/cm2 The product was tested against Serratia marcescens (ATCC14756) using ASTM F838 method. |
| Extractable Substance | ＜50 mg/m2 After high-pressure steam sterilization(121.4℃,60 min), 25℃±2℃
immersing in pure water for 24h |
| Biosafety | The endotoxin level＜0.25 EU/ml, and the extraction solution has no
acute toxicity |
| Cleanliness | No fibers or other visible foreign objects were detected in the
filtered liquid. *Lamp test according to the Chinese Pharmacopoeia 2020 edition
<0904> |
Flow Rate of Water Prefiltration
Material of Structure of Water Prefiltration
| Filter Media | EVOH(Ethylene vinyl alcohol copolymer) |
| Deflector Layer | Polypropylene |
| Enclosures/Ports | High Temperature Resistance Polypropylene |
| Adapter | Polypropylene |
| Seals | Silicone/EPDM |
Naming Regulations of Water Prefiltration
| WF | PL | | 0500 | 10 | A | S |
| Trademark | Form | Filtration Materials | Accuracy | length | Adapter | O ring |
| WECHANFIB | PLEATED | Blank EVOH | 0010 0.10μm | 5 5” | A 222/ FIN | S Silastic |
| | | 0022 0.22μm | 10 10” | B 222/Flat End Cap | E EPDM |
| | | 0045 0.45μm | 20 20” | C 226/ FIN | V FKM |
| | | 0070 0.7μm | 30 30” | D 226/ Flat End Cap | T PTFE |
| | | 0100 1.0μm | 40 40” | E DOE | |
| Wechange Pleated Filter Cartridge Products List |
| Membrane Material | Type No. | Application | Pore Size | Diameter | Length | Adaptor |
| μm | mm | inch |
| EVOH | WF-PL-0010-5-* | Beverage Final Filtration, Liquid Sterile Filtration,
Microelectronic Liquid Filtration; CMP Polishing Liquid Filtration;
Pharmaceutical Sterile Filtration; Buffer & Culture Medium
Filtration; | 0.1 | 69 | 5" | The "*" Indicate type of CONNECTOR and SEAL RING, they're customizable & have below option codes: 1,Connector: A 222/Fin B 222/End Cap C 226/Fin D 226/End Cap E DOE
2,Sealing Ring: S Silicone E EDPM(Ethylene Propylene Diene Monomer) V FKM(Fluororubber) T PTFE(Polytetra- fluoroethylene) |
| EVOH | WF-PL-0010-10-* | 0.1 | 69 | 10" |
| EVOH | WF-PL-0010-20-* | 0.1 | 69 | 20" |
| EVOH | WF-PL-0010-30-* | 0.1 | 69 | 30" |
| EVOH | WF-PL-0010-40-* | 0.1 | 69 | 40" |
| EVOH | WF-PL-0022-5-* | 0.22 | 69 | 5" |
| EVOH | WF-PL-0022-10-* | 0.22 | 69 | 10" |
| EVOH | WF-PL-0022-20-* | 0.22 | 69 | 20" |
| EVOH | WF-PL-0022-30-* | 0.22 | 69 | 30" |
| EVOH | WF-PL-0022-40-* | 0.22 | 69 | 40" |
| EVOH | WF-PL-0045-5-* | 0.45 | 69 | 5" |
| EVOH | WF-PL-0045-10-* | 0.45 | 69 | 10" |
| EVOH | WF-PL-0045-20-* | 0.45 | 69 | 20" |
| EVOH | WF-PL-0045-30-* | 0.45 | 69 | 30" |
| EVOH | WF-PL-0045-40-* | 0.45 | 69 | 40" |
| EVOH | WF-PL-0070-5-* | 0.7 | 69 | 5" |
| EVOH | WF-PL-0070-10-* | 0.7 | 69 | 10" |
| EVOH | WF-PL-0070-20-* | 0.7 | 69 | 20" |
| EVOH | WF-PL-0070-30-* | 0.7 | 69 | 30" |
| EVOH | WF-PL-0070-40-* | 0.7 | 69 | 40" |
| EVOH | WF-PL-0100-5-* | 0.1 | 69 | 5" |
| EVOH | WF-PL-0100-10-* | 1 | 69 | 10" |
| EVOH | WF-PL-0100-20-* | 1 | 69 | 20" |
| EVOH | WF-PL-0100-30-* | 1 | 69 | 30" |
| EVOH | WF-PL-0100-40-* | 1 | 69 | 40" |
EVOH Nanofiber Membrane Filter Cartridge For Water Prefiltration
0.1μm/10"
General Description of Water Prefiltration:
WECHANFIB liquid debacterialization folding filter adopts EVOH
nanofiber membrane, which has high throughput, high uniformity,
high compatibility and high hydrophilicity, and is widely used in
the liquid debacterialization filtration in biopharmaceutical, food
fermentation and other industries. 100% integrity testing before
delivery to ensure high product quality.
Application of Water Prefiltration:
1.Cell culture media
2.Buffers
3.Clarified cell culture harvest
4.Biological vaccine
5.Liquid (LVP/SVP)
Features and Benefits of Water Prefiltration:
* Built in asymmetric prefilter for longer life and lower
filtration cost;
* Broad chemical compatibility(pH1-14);
* Strict quality control system, complete production process flow;
* Short delivery period;
* Flexible payment method: T/T, L/C, West Union, Paypal;
* Free technical support;
* Other specific sizes can be customized;
Performance Specifications of Water Prefiltration:
Dimensions(nominal):
| OD | 69mm |
| Length | 10"(254mm),20"(508mm),30"(762mm),40"(1016mm) |
Material of Construction:
| Filter Media | Deflector layer | port | Enclosures/Ports | Seals Material |
EVOH(Ethylene vinyl alcohol copolymer) | Polypropylene | Polypropylene | Polypropylene | Silastic/EPDM |
Beer Clarification Filter Cartridge Performance:
| Biosafety | All ingredients comply with USP (United States Pharmacopoeia) Level
6 plastic testing |
| Food Accessibility | All ingredients comply with GB 4806.7-2016 |
| Endotoxin | ≤0.25 EU/ml |
| Cleanliness | The product does not have any particles, fibers, or other foreign
objects falling off |
| The Maximum Work Temperature | 80℃(△P 0.1Mpa) |
| Sterilization cycle | 121℃ 30min ≥15 times |
| PH | 1-14 |
| Suggesting Renewal Pressure Difference | 1.5Bar |
