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Help Center5 Micron Polyethylene Membrane Cartridge 20 Inch With 304SS Core for Microfiltration System
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Anping County Boli Hardware Wiremesh Products Factory (established in 1998) is a professional manufacturer specializing in filtration solutions. Our 5 Micron Polyethylene Membrane Cartridge 20 Inch with 304SS Core is engineered for microfiltration systems requiring reliable particle removal and consistent flow. With a robust stainless steel core and high-quality polyethylene membrane, this cartridge offers excellent chemical resistance and long service life, making it a trusted choice for industrial water treatment, food & beverage processing, and pharmaceutical applications.
Key Features & Benefits
- High Filtration Efficiency: 5 micron absolute rating ensures removal of fine particles, sediment, and colloids, delivering clear filtrate.
- 304 Stainless Steel Core: Provides superior mechanical strength, resists corrosion, and prevents collapse under high differential pressure.
- Polyethylene Membrane: Chemically inert, compatible with a wide pH range (2–13), and low extractables for sensitive applications.
- Optimized Flow Design: Pleated membrane structure maximizes surface area, reducing pressure drop and extending service intervals.
- Customizable End Caps: Available in 222/226 fin, O-ring flat, or other configurations to fit standard housings.
- Versatile Application: Ideal for pre-filtration, reverse osmosis protection, and final polishing in microfiltration systems.
Technical Specifications
| Parameter | Value |
| Filtration Rating | 5 μm (nominal / absolute) |
| Length | 20 inch (508 mm) |
| Membrane Material | Polyethylene (PE) |
| Core Material | 304 Stainless Steel |
| Max Operating Temperature | 80°C (176°F) |
| Max Differential Pressure | 4.0 bar (58 psi) @ 25°C |
| pH Range | 2 – 13 |
| End Cap Configurations | 222/226 O-ring, Flat, DOE (customizable) |
| O-ring Material | Silicone / EPDM / Viton (optional) |
The design of our cartridge ensures low pressure drop even at high flow rates, reducing energy consumption in your system. The 304SS core provides excellent rigidity, allowing the cartridge to withstand backwashing and frequent cycling without deformation. For applications requiring high purity, the polyethylene membrane is manufactured without binders or additives, minimizing extractables and ensuring product integrity.
With over 25 years of manufacturing experience (since 1998), Anping County Boli Hardware Wiremesh Products Factory has exported to North America, Europe, Southeast Asia, Africa, and Oceania, with an annual export value of US$5–10 million. Our products are shipped from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery worldwide. Each cartridge undergoes strict quality control to meet international standards. We welcome OEM/ODM orders and customized specifications. Contact us today to discuss your filtration requirements and request a sample or quotation.
Frequently Asked Questions
Q1: What is the typical lifespan of this cartridge?
A: The lifespan depends on feed water quality and operating conditions. In typical pre-filtration applications, it can last 3–6 months before replacement is needed. Regular monitoring of pressure drop is recommended.
Q2: Can this cartridge be used for high-temperature liquids?
A: The maximum continuous operating temperature is 80°C (176°F). For higher temperatures, please consult our technical team for alternative materials.
Q3: Is the 304SS core food-grade?
A: Yes, 304 stainless steel is widely used in food and beverage processing. Our core is manufactured with food-grade surface finish upon request.
Q4: What end cap types are available?
A: We offer 222 flat, 226 O-ring, 222/226 fin, double open end (DOE), and other configurations. Please specify your housing requirements when ordering.
Q5: Can the cartridge be cleaned and reused?
A: Polyethylene membrane cartridges are typically disposable. However, some applications allow backwashing or chemical cleaning to extend life. Please test under your specific conditions.
Q6: Does the cartridge comply with any standards?
A: Our manufacturing process follows internal quality management system. Specific certifications (e.g., FDA, NSF) can be provided upon request for certain projects – please contact us for details.
Q7: What is the minimum order quantity (MOQ)?
A: MOQ is 50 pieces for standard sizes. For custom specifications, MOQ may be higher. We also offer sample orders for testing.
Q8: How is the cartridge packaged?
A: Each cartridge is individually wrapped in polybag and then packed in sturdy cartons with foam inserts to prevent damage during transit.
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