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Description of Pharmaceutical 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 Pharmaceutical Water Prefiltration
Features of Pharmaceutical Water Prefiltration
Operating Characteristic of Pharmaceutical 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 Pharmaceutical Water Prefiltration
Material of Structure of Pharmaceutical 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 Pharmaceutical 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 filter cartridge utilizes nanofiber technology, with fiber diameters at the nanoscale level, enabling various filtration accuracies such as ultrafiltration and microfiltration. It effectively removes suspended solids, particles, colloids, organic matter, bacteria, and other impurities from water.
1.Syrup sterile filtration
2.Wine sterile filtration
3.Draft beer terminal filtration
* The EVOH nanofiber membrane filter cartridge maintains excellent filtration performance and structural stability during long-term use, and is less prone to clogging and deformation;
* The filter cartridge features a rational structural design, making it easy to disassemble and replace, which facilitates maintenance and helps reduce maintenance costs;
* It maintains a high flow rate while reducing pressure loss during the filtration process;
* 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 | High temperature resistant polypropylene | Silastic/EPDM |
Beer Clarification Filter Cartridge Performance:
| Maximum operation temperature | 80℃ |
| Maximum operation pressure | Forward direction :0.5 MPa(25±2℃) 0.24MPa(80±2℃) It not recommend for reverse use |
| Filtration areas | ≥0.68 m²/ 10 inch ≥2.04 m²/ 30 inch |
| Integrity test | Bubble Point≥70 KPa Under 50 KPa,Diffusion flow＜15 ml/min 25℃, ethanol as the wetting solution |
| Sterilization | 30 times(121.4℃,30 min offline high-pressure steam sterilization) |
| Bacteria interception | Minimum interception: 107 CFU/cm2 According to standard ASTM F838, Serratia marcescens (ATCC14756) |
| 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 |