Precision Water Filter
The precision filter is a critical pretreatment device in the water treatment process, positioned between rough filtration (sand/carbon) and deep filtration (membrane filtration). Its core function is to remove suspended solids, colloids, fine particles, and microbial debris from the source water, preventing clogging of downstream components like RO membranes and ensuring final water quality. Compared to traditional filters, our precision filters offer high filtration accuracy, stable operation, and convenient maintenance.
Features of Our Precision Filters
Pressure-Driven Mechanical Filtration
The system operates using a pressure-driven mechanical interception filtering technology. Source water flows through the filter's shell and is forced through the microporous structure of the internal filter cartridges.
Durable Housing Materials
We offer housing materials tailored to water quality: 316L stainless steel for strong corrosive environments like seawater desalination and chemical wastewater, and PP/PVC plastic for general drinking water pretreatment. The stainless steel housing uses an integrated molding process with no welding dead corners to prevent leakage.
High-Performance Cartridges
We provide a variety of filter cartridges (pleated or melt-blown) with different precision levels (0.1–120μm). Pleated cartridges offer a larger filtration area and 20% longer service life. Food-grade PP material complies with FDA and GMP standards for pharmaceutical and food industries.
Pressure Monitoring
Equipped with a stainless steel pressure differential gauge for real-time monitoring of cartridge clogging, which facilitates timely maintenance.
Advantages
Customized Design: We provide one-on-one solution design based on customer requirements, including raw water quality, required treatment capacity, and installation space, ensuring optimal equipment adaptability.
Guaranteed Material Quality: Housings use national standard 304/316L stainless steel, and cartridges are sourced from reputable brands, guaranteeing corrosion resistance and a service life of 8-10 years.
High Efficiency and Energy Saving: Optimized flow design results in minimal pressure loss (operating pressure loss ≤ 0.1MPa), which reduces pump energy consumption. The high dirt-holding capacity of the cartridges extends the replacement cycle, reducing maintenance costs.
Easy Maintenance: Housings feature quick-opening end caps or flange connections, allowing filter cartridge replacement without professional tools, saving maintenance time.
Precision Filter Applications
Frequently Asked Questions
Its core function is to remove suspended solids, colloids, and fine particles from source water to protect downstream delicate components, particularly RO membranes, from clogging.
The cartridge needs to be replaced when the pressure differential (the difference between inlet and outlet pressure) rises to ≥0.15 MPa.
316L stainless steel offers superior resistance to acid, alkali, and corrosion, making it suitable for aggressive environments like seawater desalination and chemical wastewater treatment.
For the pharmaceutical industry, we use food-grade PP material and often 0.22μm sterile pleated cartridges that comply with FDA and GMP certification requirements.
Due to the quality materials (304/316L stainless steel), the filter housing's service life can reach 8-10 years.
The maintenance is straightforward. The housing uses quick-open connections, allowing filter cartridge replacement to be done by 1-2 people without specialized tools. Routine maintenance involves monitoring the pressure differential and replacing the cartridge when the value is ≥0.15 MPa.
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