Ultra-clean PVDF Pleated Cartridge – High-Purity Filtration
Hydrophilic PVDF/high-purity PP pleated cartridge resists pH 1-14, low protein binding. Integrity-tested, steam-sterilizable; reliable sterile filtration for chemical, electronic, pharma.
This Ultra-clean PVDF Pleated Cartridge Filter Series is constructed with a hydrophilic polyvinylidene fluoride membrane as the primary filtration media, complemented by high-purity polypropylene support layers, outer cage, end caps, and a central core rod. Seal options include silicone, fluororubber, and EPDM to match diverse process fluid requirements. Each 10-inch cartridge delivers an effective filtration area exceeding 0.6㎡, with a maximum operating temperature of 80°C and pressure ratings of 0.42MPa (forward) and 0.24MPa (reverse) at 25°C. The assembly supports over 100 autoclave sterilization cycles at 121°C for 30 minutes, maintains endotoxin levels below 0.25 EU/mL, and complies with USP Class VI biological safety standards.
Chemically robust across the full pH 1-14 range, this filter exhibits excellent hydrophilicity and high protein transmission with notably low adsorption and extractables, preserving valuable solutes in pharmaceutical and beverage streams. Every unit is 100% membrane integrity-tested prior to dispatch and manufactured within a Class 1000 cleanroom, ensuring consistent retention performance and high finished cleanliness.
While our manufacturing capabilities extend to advanced porous materials such as Silicon Carbide Ceramic Membranes and Inorganic Membranes for High-Temperature Gas-Solid Separation applications, this PVDF series is purpose-engineered for aggressive liquid chemical environments and sterile aqueous fluids. Unlike equipment such as Ceramic Membrane Gas-Solid Separation Equipment which targets hot-gas dust removal, this cartridge focuses on high-purity liquid streams. For clients in pharmaceuticals and electronics requiring stringent Liquid Filtration & Purification, this series offers reliable bacterial retention and particulate removal. The pleated geometry maximizes dirt-holding capacity and flow rates with minimal pressure drop. Typical uses include high-purity chemical polishing, terminal filtration in ultrapure water systems, sterile filtration of injections and oral liquids, as well as gas filtration for electronic and chemical processing, effectively removing bacteria and fine particulates while minimizing product loss.
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