Description for 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 for Water Prefiltration
Features for Water Prefiltration
Operating Characteristic for 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 for Water Prefiltration
Material of Structure for 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 for 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" |
The EVOH nanofiber membrane filter core is primarily made from Ethylene-Vinyl Alcohol Copolymer (EVOH), a high molecular material known for its excellent chemical stability and biocompatibility; it features a modular design for easy installation and replacement, and also exhibits good resistance to pressure, ensuring the stability of the filter core during operation.
1.Cell culture media
2.Buffers
3.Clarified cell culture harvest
4.Biological vaccine
5.Liquid (LVP/SVP)
* Resistant to acids and bases, as well as organic solvents;
* The filter core is packed in a sealed manner to prevent contamination;
* High pressure resistance, enabling the filter core to maintain its structural stability and filtration efficiency in high-pressure environments;
* Good temperature resistance, allowing its use over a wide range of temperatures, catering to the needs of various operational conditions;
* 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;
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 |