The pleated polyester filter cartridge is a high-performance filtration solution engineered for demanding industrial applications. Constructed from premium polyester non-woven media pleated into a robust structure, this cartridge delivers exceptional dirt-holding capacity and extended service life. Ideal for pre-filtration and fine filtration tasks, the pleated design maximizes surface area, ensuring superior flow rates while maintaining low pressure drops.
Our pleated polyester filter cartridges are manufactured using advanced extrusion and pleating technologies, resulting in a durable, seamless construction that resists chemical degradation and mechanical stress. With micron ratings ranging from 1 to 100, they effectively capture contaminants such as sediments, particulates, and rust particles from liquids and gases. Widely used in water treatment, chemical processing, and pharmaceutical industries, these cartridges provide reliable performance in both high-flow and high-pressure environments.
Unlike traditional filter media, the polyester material in our pleated polyester filter cartridge offers outstanding chemical compatibility with acids, bases, and solvents, making it a versatile choice for corrosive fluids. The pleats are uniformly spaced and supported by high-strength polypropylene cores and end caps, preventing media collapse under differential pressures up to 5 bar. This ensures consistent filtration efficiency over the cartridge's lifespan, reducing replacement frequency and operational costs for B2B clients seeking long-term reliability.
| Parameter | Specification |
|---|---|
| Filter Media | Polyester non-woven fabric (gradient density) |
| Micron Rating | 1μm, 5μm, 10μm, 20μm, 50μm, 100μm (nominal) |
| Outer Diameter (OD) | 2.5" (63mm), 4.0" (102mm), 4.5" (114mm) |
| Inner Diameter (ID) | 1.0" (28mm), 1.65" (42mm), 2.25" (57mm) |
| Length | 9.75" (248mm), 10" (254mm), 20" (508mm), 30" (762mm), 40" (1016mm) |
| Maximum Differential Pressure | Forward: 5 bar @ 80°C; Reverse: 3.5 bar @ 80°C |
| Operating Temperature | Max 80°C @ 2 bar; Max 120°C @ 1 bar |
| Flow Rate (per 10" cartridge) | 10-50 LPM (water, 1cP @ 1 bar ΔP, varies by micron) |
| End Cap Configuration | DOE, SOE Flat, SOE Fin, Code 1, Code 3, Code 7 |
| Gaskets/O-Rings | EPDM, Silicone, Viton, NBR |
| Filtration Efficiency | βx=1000 (per ISO 16889) |
| Recommended Changeout ΔP | 2.5 bar |
Note: Specifications are subject to customization. Contact for detailed performance curves and material compatibility charts.

The pleated polyester filter cartridge excels in diverse industrial settings where reliable particle removal is critical. In water treatment plants, it serves as an effective pre-filter for RO systems, removing sediments and organics to protect downstream membranes and extend their life. Chemical processing facilities utilize these cartridges for solvent recovery and catalyst protection, handling aggressive media without degradation.
In the food and beverage industry, pleated polyester filter cartridges ensure clarity in beverage clarification, edible oil filtration, and bottling lines by capturing yeast, haze, and particulates. Pharmaceutical manufacturers rely on them for bulk drug pre-filtration, maintaining sterility and purity in API production. For paint and coatings, they provide inline filtration to eliminate agglomerates, ensuring smooth application and finish quality.
Additional scenarios include petrochemical refineries for fuel polishing, power generation for cooling water systems, and HVAC systems for air/gas filtration. The versatility of the pleated polyester filter cartridge makes it indispensable in any process requiring high-capacity, low-maintenance filtration under variable conditions.
Choosing our pleated polyester filter cartridge offers distinct advantages over competitors. The pleated configuration provides 5-7 times more surface area than non-pleated elements, translating to higher throughput and fewer changeouts. Polyester media's inherent hydrophobicity reduces wetting time and prevents microbial growth, outperforming cellulosic filters in humid or aqueous environments.
With a uniform pleat geometry locked by thermal bonding, the cartridge maintains structural stability, avoiding media migration or telescoping common in lesser designs. This results in consistent filtration efficiency, often achieving 99.9% particle removal at rated microns. Cost savings are significant: users report up to 30% reduction in total ownership costs due to extended life and minimal downtime.
Environmentally, the recyclable polypropylene components support sustainability goals, while the cartridge's high dirt-holding capacity minimizes waste generation. Backed by rigorous testing to ISO 9001 standards, our pleated polyester filter cartridge delivers peace of mind for critical applications.
As a leading manufacturer of filtration solutions, we specialize in pleated polyester filter cartridges with over 20 years of expertise in international trade. Our state-of-the-art production facility employs automated pleating lines and inline quality controls, ensuring every cartridge meets or exceeds global standards like FDA compliance for food contact and USP Class VI for biopharma.
We offer unparalleled customization, from micron blends to specialty end seals, tailored to your OEM specifications. Bulk orders benefit from competitive pricing, short lead times (2-4 weeks), and global shipping via reliable logistics partners. Our technical support team provides free application consultations, filter sizing calculators, and performance validation services.
Certified with ISO 14001 for environmental management, we prioritize sustainable practices without compromising quality. Thousands of satisfied B2B clients worldwide trust us for consistent supply and innovation in pleated polyester filter cartridge technology.
The service life varies by application but typically ranges from 6-12 months in pre-filtration roles. Monitor differential pressure and change at 2.5 bar for optimal performance.
Yes, they withstand up to 121°C for 30 minutes at 1 bar, making them suitable for steam sterilization in sanitary applications.
Up to 80°C continuously or 120°C intermittently, with appropriate end cap materials like silicone or Viton.
10-50 LPM for water-based fluids at 1 bar ΔP, depending on micron rating. Consult our flow charts for precise data.
Yes, prototype samples are available for qualified applications to validate performance in your system.
Polyester offers better chemical resistance to solvents and superior dry dust loading for gas applications, while maintaining similar aqueous performance.