HFU640CAS010JUW Water Treatment Product Detailed Description

Product Introduction

HFU640CAS010JUW is a heavy-duty high-flow pleated filter cartridge, specially engineered for large-scale industrial water treatment and critical fluid pre-filtration scenarios. It adopts cellulose acetate (CA) as the core filter medium, paired with a corrosion-resistant polypropylene (PP) internal support frame and a high-seal PTFE gasket to ensure structural stability under high-pressure and high-flow working conditions. With a standard outer diameter of 4.5 inches (114mm) and optional lengths of 20”, 40”, and 60”, the cartridge features an optimized pleat density design that maximizes effective filtration area while minimizing flow resistance. Manufactured via precision hot-melt welding, it eliminates adhesive residue risks and complies with FDA food contact safety standards and ISO 9001 quality management requirements. This product is dedicated to removing fine suspended solids, colloidal particles, and microbial aggregates from large-flow water systems, providing reliable protection for downstream equipment such as reverse osmosis (RO) membranes, ultrafiltration modules, and industrial heat exchangers.

Filtration Precision

The standard filtration precision of HFU640CAS010JUW is 10μm, which can achieve 99.95% interception efficiency for particles of 10μm and above under rated operating conditions. For customized application needs, it can be tailored to precision levels ranging from 1μm to 25μm, covering ultra-fine filtration demands for high-purity industrial water and coarse filtration requirements for wastewater pretreatment. This precise grading capability ensures consistent filtrate quality across diverse large-flow water treatment systems, preventing fine particulate abrasion and clogging of core downstream components.

Flux

Flux is a core competitive advantage of HFU640CAS010JUW. Under standard test conditions (25°C, clean water, 1.2 bar operating pressure), the 60-inch length model delivers an ultra-high flux of 45–55 m³/h; the 40-inch model achieves a flux of 30–38 m³/h; and the 20-inch model provides a flux of 15–20 m³/h. This superior flux performance stems from its hydrophilic CA membrane and high pleat density (105 pleats per linear foot), which reduces flow resistance and improves water permeability. Compared with conventional 10μm filter cartridges of the same size, it can increase water throughput by 32% while maintaining filtration efficiency, thus reducing the number of parallel cartridges required in large-flow systems and saving installation space.

Salt Rejection Rate

As a particulate microfiltration cartridge, HFU640CAS010JUW is not designed for desalination functions, so its salt rejection rate is negligible, generally below 1.8%. Its core function is to remove physical impurities rather than dissolved ionic substances in water. In integrated water treatment systems, it serves as a critical pre-treatment component, preventing fine colloidal particles and microbial contaminants from adhering to the surface of RO membranes or blocking membrane pores, thereby ensuring the stable high salt rejection rate (97–99.5%) of downstream desalination equipment.

Pressure Drop

The initial pressure drop of HFU640CAS010JUW at rated flow and 20°C is only 0.04–0.07 bar, which is 28% lower than that of traditional cellulose filter cartridges of the same specification. As the filtration process proceeds and impurities accumulate on the membrane surface, the pressure drop will gradually rise. The recommended maximum allowable pressure drop for replacement is 2.2 bar. Maintaining a low pressure drop minimizes the energy consumption of system water pumps, reduces pipeline operating pressure, and extends the service life of the entire water treatment system.

Molecular Weight Cutoff (MWCO)

Since HFU640CAS010JUW relies on particle size-based filtration rather than molecular separation, its molecular weight cutoff (MWCO) is not a core technical parameter and lacks precise calibration. In practical applications, it can roughly intercept macromolecular substances with a molecular weight of 140,000–240,000 Daltons, such as large colloidal organic matter, microbial flocs, and polymer additives in water. However, it has no interception effect on small-molecular substances including inorganic salts, monosaccharides, and small-molecular organic acids.

Membrane Thickness

The cellulose acetate filter membrane thickness of HFU640CAS010JUW is precisely controlled at 0.11–0.15 mm, a balanced design that takes into account filtration efficiency, dirt-holding capacity, and water permeability. The moderate thickness ensures the membrane has sufficient mechanical strength to resist high water flow impact and backwashing pressure without deformation or rupture. Additionally, the hydrophilic coating on the membrane surface reduces the adhesion of hydrophobic impurities, improves dirt-holding capacity, and maintains stable flux during long-term continuous operation.

Replacement Cycle

The replacement cycle of HFU640CAS010JUW is determined by raw water turbidity, operating flow rate, and system pressure drop, with significant variability across different application scenarios. In ultra-clean large-flow industrial process water with turbidity below 2 NTU, the replacement cycle can reach 4.5–6.5 months; in medium-turbidity water environments such as power plant cooling water pretreatment or petrochemical process water treatment with turbidity above 18 NTU, the cycle needs to be shortened to 0.7–1.3 months. In addition, once the system pressure drop reaches the recommended replacement threshold of 2.2 bar, the cartridge should be replaced immediately, regardless of the service time, to avoid system efficiency degradation or equipment damage caused by excessive pressure.

Features

Superior high-flow performance: The optimized pleat density and hydrophilic CA membrane deliver ultra-high flux, suitable for large-scale industrial water treatment systems and reducing the number of parallel cartridges by 32%.
Enhanced structural robustness: The PP support frame and precision hot-melt welding process enable the cartridge to withstand a maximum operating pressure of 9 bar and a temperature range of 5°C to 80°C, suitable for harsh industrial working environments.
Excellent biocompatibility: The cellulose acetate filter medium has superior biocompatibility, making it ideal for food, beverage, and pharmaceutical industry applications where product safety is a top priority.
Good chemical compatibility: The CA filter medium is resistant to most weak acids, weak alkalis, and organic solvents, with a pH tolerance range from 3 to 9, adapting to diverse large-flow water treatment needs.
Easy installation & maintenance: The standardized 4.5-inch interface design is compatible with most large-flow industrial filter housings, requiring no special tools for installation and replacement, thus saving labor costs and reducing system downtime.
Environmentally friendly: The CA filter medium is biodegradable under specific conditions, and the PP support frame can be recycled, aligning with green manufacturing REACH requirements。

Application Fields

Power plant cooling water treatment: Serves as the core pre-treatment component for cooling tower water and boiler feedwater systems, removing fine particles to prevent heat exchanger scaling and corrosion.
Petrochemical industry fluid filtration: Filters crude oil, process water, and chemical solvents, removing solid impurities to ensure the normal operation of production equipment and improve product quality.
Food and beverage industry large-flow filtration: Filters beverage raw water, dairy products, and edible oil, ensuring product safety 收 and compliance with food hygiene regulations.
Municipal wastewater treatment and reuse: Participates in advanced treatment processes of municipal sewage, removing fine suspended solids to achieve water resource recycling and meet environmental discharge standards.
Semiconductor and electronics manufacturing: Pre-filters ultra-pure water for chip etching and cleaning processes, meeting the strict particle control requirements of the microelectronics industry.
Mining industry water treatment: Filters mine wastewater and process water, removing solid particles to reduce equipment wear and meet wastewater discharge standards.

Conclusion

In conclusion, HFU640CAS010JUW is a high-performance, high-reliability large-flow industrial water treatment filter cartridge that integrates the advantages of ultra-high flux, low pressure drop, strong structural robustness, and excellent biocompatibility. Its cellulose acetate membrane and optimized pleat design address the pain points of traditional filter cartridges, such as low flux, high pressure drop, and poor biocompatibility, making it suitable for a wide range of large-scale industrial water treatment scenarios. Whether applied to precision equipment protection in semiconductor and petrochemical industries, or large-flow water treatment in power plants and municipal wastewater systems, HFU640CAS010JUW can provide efficient, stable, and cost-effective filtration solutions. It is an ideal choice for upgrading large-flow industrial water treatment systems and improving water resource utilization efficiency.

HFU640CAS010JUW 10μm High-Flow CA Filter Cartridge – 4.5” Diameter for Industrial Fluid Purification & Downstream Membrane Protection