Our polyester filter cartridge is a premium filtration solution engineered for demanding industrial applications. Crafted from high-quality polyester media, this cartridge delivers exceptional particle retention and flow efficiency, making it ideal for liquid and gas filtration processes. With a robust construction featuring pleated polyester filter media supported by durable polypropylene cores and end caps, the polyester filter cartridge ensures reliable performance under high-pressure conditions.
Designed for versatility, the polyester filter cartridge effectively removes contaminants such as sediments, rust, and fine particulates down to 1 micron. Its chemical-resistant properties make it suitable for a wide range of fluids, including water, oils, chemicals, and corrosive liquids. Available in standard and custom sizes, this cartridge integrates seamlessly into existing filtration housings, providing long service life and reduced maintenance costs. Whether you're in manufacturing, wastewater treatment, or petrochemical processing, our polyester filter cartridge offers superior dirt-holding capacity and minimal pressure drop, optimizing your operational efficiency.
Backed by rigorous testing and compliance with international standards like ISO 9001, each polyester filter cartridge undergoes stringent quality checks to guarantee consistency and reliability. This makes it a trusted choice for B2B buyers seeking durable, high-performance filtration media that withstands harsh environments while maintaining product purity.

| Parameter | Specification | Unit/Notes |
|---|---|---|
| Filter Media | Polyester non-woven | Gradient density structure |
| Micron Rating | 1, 5, 10, 25, 50, 100 | Nominal; customizable |
| Outer Diameter (OD) | 2.5", 4", 4.5", 6" | Inches; standard sizes |
| Inner Diameter (ID) | 1", 1.125", 2.25" | Inches; for core adapters |
| Length | 5", 10", 20", 30", 40" | Inches; multi-length options |
| Maximum Operating Pressure | 150 psi (10 bar) | Forward flow; tested to 300 psi burst |
| Operating Temperature | -10°C to 80°C (14°F to 176°F) | Continuous; dry conditions |
| Recommended Flow Rate | 0.5 - 5 GPM per 10" length | Depends on micron and viscosity |
| End Cap Configuration | DOE, SOE (226/215/222 styles) | Spring-loaded or flat gasket |
| Seal Material | EPDM, Viton, Silicone | Optional for chemical compatibility |
| Filtration Efficiency | 99% at rated micron | Beta ratio >1000 |
| Compliance | ISO 9001, FDA compliant materials | Low extractables <10 ppm |
The polyester filter cartridge excels in numerous industrial settings where reliable filtration is critical. In water treatment, it effectively removes suspended solids and sediments from municipal water supplies, RO pre-filtration, and ultrapure water systems, ensuring compliance with stringent purity standards.
For chemical and petrochemical processing, the cartridge's chemical resistance handles aggressive solvents, acids, and hydrocarbons, protecting downstream equipment from fouling and extending process uptime. In food and beverage production, it safeguards product quality by filtering process water, syrups, and beverages, meeting FDA and hygienic requirements.
Polyester filter cartridges are also vital in pharmaceutical manufacturing for sterile filtration of injectables and APIs, providing high retention of bacteria and particulates. In oil and gas operations, they separate water from fuels, remove rust from lubricants, and polish hydraulic fluids, preventing wear in machinery.
Additional applications include HVAC air filtration for dust control, wastewater recycling in textiles, and paint and ink production for pigment dispersion clarity. Its adaptability makes the polyester filter cartridge a go-to solution for any scenario demanding cost-effective, high-capacity filtration.
As a leading manufacturer of filtration products, we specialize in polyester filter cartridges with over 20 years of expertise in industrial filtration. Our state-of-the-art production facilities employ advanced extrusion and pleating technologies to deliver products that exceed industry benchmarks.
We prioritize quality through automated quality control systems, raw material traceability, and third-party certifications. Our R&D team continuously innovates to meet evolving B2B needs, offering tailored solutions like anti-microbial coatings or absolute-rated variants.
With a global supply chain, we ensure prompt delivery and competitive pricing without compromising on performance. Our commitment to customer satisfaction includes technical support, application engineering, and flexible MOQs, making us the preferred partner for reliable polyester filter cartridges.
A polyester filter cartridge is primarily used for pre-filtration and general-purpose filtration in liquids and gases, removing particulates to protect equipment and maintain fluid clarity across industries like water treatment and chemicals.
Choose based on contaminant size and downstream requirements: 1-5 microns for fine filtration, 10-25 for general use, and 50+ for pre-filtration. Consult flow rates and fluid viscosity for optimal performance.
Typically 3-12 months, depending on contaminant load, flow rate, and media. Monitor pressure drop; replace when it reaches 1.5x initial value to avoid bypass.
Yes, up to 80°C continuously. For higher temperatures, specify high-temp variants with appropriate seals like Viton.
Absolutely. We offer customization for OD, length, end caps, and micron ratings to fit unique housings or applications.
Standard EPDM for general use; Viton for oils/chemicals; Silicone for food/pharma. All ensure secure, leak-free seals.
Yes, with FDA-compliant materials and low extractables, ideal for beverage and edible oil filtration.