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Help CenterPolyether Sulfone/Polyamide Filter Cartridge 0.22μm 10-inch With Silicon Gasket
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As a manufacturer with over 25 years of experience (since 1998), Anping County Boli Hardware Wiremesh Products Factory is proud to offer the Polyether Sulfone/Polyamide Filter Cartridge 0.22μm 10-inch with Silicon Gasket. This high-performance pleated filter cartridge is engineered to deliver reliable fine filtration across a wide range of industries, combining the hydrophilic properties of polyether sulfone (PES) with the strength and chemical resistance of polyamide (PA). With annual export values exceeding US$5 million and a global customer base spanning North America, Europe, Asia, and beyond, our product is trusted for critical applications where consistent purity and safety are non-negotiable.
The 0.22 micron rating ensures absolute removal of bacteria, yeast, and particulate matter, making this cartridge ideal for sterile filtration, pharmaceutical processing, and high-purity water systems. The built-in silicone gasket provides a secure, leak-free seal in standard housings, while the 10-inch length offers maximum surface area for high flow rates and long service life. Below, we detail the key specifications and advantages that set our filter cartridge apart.
Key Features & Technical Specifications
- Double-Layer Composite Membrane: The PES/PA combination offers excellent hydrophilicity, low protein binding, and broad chemical compatibility, suitable for both aqueous and organic solvents.
- 0.22 μm Absolute Pore Size: Validated for bacterial retention (e.g., Brevundimonas diminuta) per ASTM F838-15, ensuring sterile effluent.
- High Flow Rate & Low Pressure Drop: The pleated design increases effective filtration area, reducing energy consumption and extending filter life.
- Thermally Bonded Construction: No adhesives or binders are used, minimizing extractables and ensuring high purity for sensitive applications.
- Silicone Gasket Included: Food-grade silicone gasket provides excellent sealing, temperature resistance up to 200°C (dry heat), and complies with FDA and USP Class VI standards.
- Standard 10-inch Length: Compatible with most industry-standard filter housings (DOE style).
- Integrity Testable: Each cartridge can be tested with bubble point or diffusion tests to confirm filter integrity before use.
| Parameter | Specification |
|---|---|
| Filtration Media | Polyether Sulfone (top layer) / Polyamide (support layer) |
| Pore Size | 0.22 μm (absolute) |
| Length | 10 inch (254 mm) |
| Outer Diameter | 2.5 inch (63 mm) |
| Gasket Material | Silicone (VMQ, FDA compliant) |
| Max Operating Temperature | 80°C (continuous); 120°C (autoclave, 30 min) |
| Max Differential Pressure | 4.2 bar (61 psi) at 25°C |
| Effective Filtration Area | ≥0.5 m² (per 10-inch cartridge) |
The PES/PA filter cartridge is designed to deliver consistent performance in demanding environments. Its hydrophilic nature allows quick wet-out and easy flushing, while the PA support layer adds mechanical strength to withstand high flow rates and backwash cycles. This makes it an excellent choice for pre-filtration, final filtration, and sterile filtration in pharmaceutical, biotechnology, food & beverage, and electronics industries.
Benefits to Your Process
- Enhanced Product Quality: The 0.22 μm rating provides reliable removal of microorganisms, reducing contamination risks and ensuring compliance with regulatory standards.
- Cost Efficiency: High dirt-holding capacity and long service life lower replacement frequency and operational costs.
- Versatility: Compatible with a wide pH range (2–12) and many organic solvents, enabling use across multiple applications.
- Easy Integration: Standard 10-inch DOE design fits most existing housings; silicone gasket included for immediate installation.
- Process Validation: Each lot is manufactured under controlled conditions; integrity test data available upon request.
Our factory in Hengshui, Hebei, China, has been producing high-quality filtration products since 1998. With an annual export revenue of US$5–10 million and a global distribution network, we have the capacity to deliver large volumes with consistent quality. We serve clients in North America, South America, Europe, Asia, Africa, and Oceania, and we are committed to providing customized solutions (e.g., different end caps, gasket materials, or lengths) to meet your specific requirements.
We understand that trust is built on proven performance. Our Polyether Sulfone/Polyamide Filter Cartridge is the result of decades of manufacturing expertise and rigorous quality control. Each cartridge is manufactured in a clean environment and undergoes raw material inspection, in-process checks, and final functional testing. Whether you need sterile filtration for a biopharmaceutical process or point-of-use filtration for electronics manufacturing, this cartridge delivers the reliability you expect from a seasoned manufacturer.
Frequently Asked Questions
-
What is the difference between PES/PA and pure PES filters?
PES/PA composite filters combine the low protein binding and high flow of PES with the mechanical strength of PA, offering better resistance to high pressure and temperature. They are suitable for applications where both sterilizing-grade filtration and physical robustness are required. -
Can this cartridge be autoclaved?
Yes, the cartridge can withstand autoclaving at 121°C for 30 minutes (up to 3 cycles). However, the silicone gasket may degrade faster; we recommend replacing the gasket after multiple autoclave cycles. -
Is the cartridge suitable for organic solvents?
Yes, the PES/PA membrane is compatible with many organic solvents (e.g., alcohols, ketones, and esters). Please consult our technical team for specific solvent compatibility before use. -
What is the typical replacement interval?
Replacement depends on the feed water quality, flow rate, and operating conditions. Typically, the cartridge lasts 3–6 months for pre-filtration or 1–3 months for sterile filtration. We recommend monitoring differential pressure (ΔP) and replacing when ΔP reaches 2.0 bar. -
Do you offer custom sizes or end caps?
Yes, we can customize the cartridge length, end cap style (222/226, flat, etc.), and gasket material (EPDM, Viton, etc.) based on your order quantity. Please contact our sales team for a quote. -
How do I verify the integrity of the filter before use?
We recommend performing a bubble point test or diffusive flow test. The typical bubble point value for 0.22 μm PES/PA membrane is ≥3.5 bar (with water). Detailed test protocols are available upon request. -
What certifications do your cartridges have?
Our manufacturing processes follow ISO 9001 quality management system, and raw materials are sourced from FDA-compliant suppliers. For specific certifications such as NSF or USP, please inquire—we can provide test reports from third-party labs. -
Can I get a sample for testing?
Yes, we offer free samples for qualified buyers. Please provide your application details and shipping address, and we will arrange a sample shipment.
Backed by 25+ years of manufacturing excellence and a global customer network, our Polyether Sulfone/Polyamide Filter Cartridge is your reliable partner for critical filtration. Contact us today to discuss your requirements or to place an order. We are ready to support your success with high-quality products and professional service.
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