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Wuxi Zerru Technology Co., Ltd. presents its Metal Pleated Filter Element, manufactured using high-grade sintered metal fiber felt or woven wire mesh as the filtration medium, formed through precision pleating technology. Leveraging Zerru Technology's deep expertise in filtration and separation, this element is engineered with an optimized pleated structure that significantly increases filtration area. The result is high flow rates, low pressure drop, excellent dirt-holding capacity, and extended service life, making it suitable for demanding applications including petrochemical, pharmaceutical, food and beverage, and high-temperature gas/liquid filtration.
High Precision & High Flow Rate – Available in filtration ratings from 0.5μm to 200μm to meet diverse requirements. The pleated design provides a substantially larger filtration area compared to conventional sintered metal cartridges, ensuring low initial pressure drop, high throughput, and extended replacement intervals.
All-Metal Construction with High-Strength Welding – The filtration medium, support layers, end caps, and core are all made of stainless steel (typically 304 or 316L). All components are joined using precision argon-arc welding or laser welding—without any adhesives, binders, or plastic materials—eliminating the risk of extractables, media migration, and fiber shedding, thus ensuring outstanding purity, safety, and durability.
Exceptional Temperature & Pressure Resistance – The all-metal construction offers excellent resistance to extreme temperatures and pressures. It operates continuously at temperatures up to 400°C–600°C (depending on grade) and withstands high differential pressures, making it ideal for high-temperature gas filtration, steam sterilization, and high-viscosity fluid applications.
Broad Chemical Compatibility & Corrosion Resistance – Stainless steel construction provides outstanding resistance to corrosion, oxidation, and a wide range of chemicals, including acids, alkalis, and organic solvents. The material complies with FDA and other international food-contact standards, ensuring safety in pharmaceutical and food applications.
Cleanable & Reusable – Unlike disposable polymer cartridges, the metal pleated filter element can be backwashed, ultrasonically cleaned, or chemically regenerated, significantly reducing operating costs and waste generation over its service life.
| Parameter | Specification |
|---|---|
| Filtration Medium | Sintered metal fiber felt / Sintered woven wire mesh (SS 304, SS 316L) |
| Support/Drainage Layer | Stainless steel (SS 304 / SS 316L) |
| Housing/End Caps/Core | Stainless steel (SS 304 / SS 316L) |
| Sealing Materials | PTFE, Silicone, FKM, EPDM, Metal O-rings (Silver-plated / Gold-plated) |
| Welding Technology | Argon-arc welding / Laser welding (adhesive-free) |
| Filtration Ratings | 0.5, 1, 3, 5, 10, 20, 30, 50, 100, 150, 200μm |
| Outer Diameter | 63mm – 83mm (custom diameters available upon request) |
| Lengths | 5", 10", 20", 30", 40" (custom lengths available) |
| End Cap Connections | 222, 226, Flat (SOE), Threaded (NPT/BSP), Flanged |
| Maximum Operating Temperature | Up to 600°C (dependent on medium grade) |
| Maximum Operating Pressure Differential | Forward: ≤2.0MPa @ 25°C; ≤1.0MPa @ high temperature (varies by grade) |
| Sterilization Conditions | In-line steam sterilization; autoclavable |
Petrochemical & Refining – High-temperature gas filtration, catalyst recovery, polymer melt filtration, and acid/alkali solution clarification.
Pharmaceutical & Biotechnology – Sterile filtration of drug solutions, fermentation broth clarification, and solvent filtration.
Food & Beverage – Filtration of edible oils, syrups, fruit juices, and high-purity water.
Power Generation & Energy – Gas turbine intake filtration, flue gas purification, and cooling water filtration.
Chemical & Electronics – Corrosive chemical filtration, high-purity chemical processing, and semiconductor wet process filtration.
Textile & Printing – Dye and pigment filtration, coating solution clarification.
Wuxi Zerru Technology Co., Ltd. is a professional manufacturer dedicated to providing efficient and reliable filtration and separation solutions to customers worldwide. Integrating R&D, production, and sales, the company offers a comprehensive product portfolio covering metal pleated filter elements, polymer depth filter cartridges, and custom filtration systems, serving industries such as petrochemical, pharmaceuticals, food, electronics, and environmental protection. All products are manufactured under a quality management system compliant with ISO 9001 standards. Zerru Technology also offers customized solutions to meet specific process requirements across various operating conditions.
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