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China manufacturer PTFE pleated filter catridge1.domestic PTFE filter membrane
2.overall structure sweat welding
China manufacturer PTFE pleated filter catridge
Domestic PTFE filter membrane is adopted in the product as filter media. The product is produced through overall structure sweat welding, and is characterized by high flux and high use economic feature.
1.The filter membrane has strong hydrophobicity
2.Economic application
3.Low pressure drop and high flow rate
1.Filtration of air in storage tank and mixing tank
2.Filtration of compressed air
3.Sterile filtration of fermentation tank
4.Filtration of organic solvent
Filter element material composition:
| filter memebrane | Hydrophilic PTFE filter membrane |
| diversion material | polypropylene(PP) |
| outer shell | polypropylene(PP) |
| seal ring | please see filter element modle selection table |
| center rod | polypropylene or 316L stainless steel |
Intergrity test:
| aperture(um) | 0.2 | 0.45 |
| the lowest bubbling point in pure water(MPa) | ≥0.05 | ≥0.03 |
Gas flow -pressure different curve(10'' filter element)
Main application technical indicators:
| maximum operating temperature | 90°c/0.1MPa |
| maximum operating pressure difference | 0.42MPa/25°c |
| recommended operating pressure difference | 0.1~0.2MPa/25°c |
| maximum back-pressure difference | 0.2MPa/25°c |
| effective filtration are(10 inches) | ≥0.6m² |
| forward online steam sterilization(135°c) | 30min/time |
| disinfection by disinfection cabinet(121°c) | 30min/time |
Quality assurance:
1.ISO9001: 2008 guaranteed quality management system
2.Traceability management system of each filter
3.Filter elements are flushed and pass integrity test before filter elements are left from the factory
4.The batch passes through bacterial challenge test for confirming 100% bacteria interception ability
Biological safety:
1.Biological Safety: The product materials comply with USP in-vivo VI-121 ℃ plastic biological response test
2.Endotoxin: <0.25EU/ml
3.Cleanliness: The product is in line with 2010 GMP requirements on injection of particles
4.Readily oxidizable substance: the substance should be in line with 2010 GMP test requirements of particle contents in injections after water rinsing for 2000ml
5.TOC/conductivity: after the product is flushed with 20L injection water at 25 ℃ (10"). It is in line with requirements of 2010 GMP on total organic carbon contents and conductivity in injection water.
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