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E: sales1@melko2015.com
E: sales1@melko2015.com
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The Membrane Pleated Filter Cartridge represents the pinnacle of precision filtration. This absolute rated pleated filter integrates a robust pleated structure with a membrane surface, typically PTFE or nylon, to deliver guaranteed particle retention. It is engineered for applications requiring submicron absolute accuracy and bacteria retention, making it critical in the pharmaceutical, food & beverage, and electronics industries for final product safety.
Absolute Filtration Efficiency: This membrane pleated filter cartridge provides predictable and absolute particle removal according to its micron rating, ensuring consistent product quality and meeting stringent regulatory standards for purity.
High Strength and Compatibility: The PTFE membrane filter media offers broad chemical compatibility and high strength, allowing for rigorous integrity testing and making it suitable for aggressive solvents and sterilization processes.
High Flow, Low Hold-Up Volume: The pleated membrane design offers high surface area, enabling high flow rates with low pressure drop and minimizing product loss (hold-up volume) in valuable process streams.
Sterilizing Grade Performance: Many of our membrane cartridges are designed to be sterilizing grade pleated cartridges, capable of retaining bacteria and serving as a critical component in aseptic processing.
Filter Media | PTFE, Nylon, PES, PVDF |
Filtration Type | Absolute Surface Filtration |
Filtration Accuracy | 0.1, 0.22, 0.45, 0.65, 1.0 Micron (Absolute) |
Max Operating Temperature | Varies by Media (e.g., ≤ 80°C for PES) |
Compatibility Broad Chemical Compatibility (Media Dependent) | |
Sterilizable Yes (Steam, Autoclave, SIP - Media Dependent) | |
Pharmaceutical Sterile Filtration: Used for sterilizing parenteral drugs, ophthalmic solutions, and process gases, ensuring final product sterility and patient safety.
Electronics UPW Polishing: Serves as a final polish in ultrapure water systems to remove trace particles that could cause defects in microchip manufacturing.
Food & Beverage Final Filtration: Clarifies and stabilizes beverages like beer, wine, and juices, and sterilizes ingredients and process gases to prevent spoilage and ensure shelf stability.
Handling requires care to avoid damaging the membrane. Always pre-flush the cartridge according to the manufacturer's instructions to remove preservatives and wet the membrane.
Ensure the system is properly sterilized before use in critical applications. Integrity test the cartridge after installation and before processing.
Q: What does an 'absolute' rating mean?
A: It means the filter is rated to remove 100% of particles at or above the stated micron size (e.g., a 0.22μm absolute filter will remove all bacteria).
Q: Can it be steamed sterilized?
A: This depends on the membrane material and construction. PTFE and PES membranes are often steam sterilizable. Please check the product specifications for the specific cartridge.
Q: How do I know if the membrane is intact?
A: A post-use integrity test (e.g., Bubble Point, Diffusion Test) is required to confirm the membrane was intact throughout the filtration process.
