LEFILTER High-Flow Filter Cartridges: Space-Saving, Long-Lasting Filtration for Industrial Large-Fluid Systems

Introduction

Features

Ultra-High Flow Rate Design: Optimized internal flow channel structure minimizes flow resistance, enabling a maximum flow rate of 1,500 L/min per cartridge (3–5 times that of standard filter cartridges). This reduces the number of parallel cartridges, saving 50%+ installation space.

Multi-Layer Efficient Filtration: Composed of gradient filter media (outer layer: 20–50μm pre-filtration for large particles; inner layer: 1–10μm fine filtration for small impurities), achieving a particle retention rate of ≥99.9% for target contaminants.

Long Service Life & Anti-Fouling: Adopts hydrophobic polypropylene or reinforced glass fiber media, which resist adsorption of oil, colloids, and organic matter. Service life is extended by 60% compared to conventional cartridges (average replacement cycle: 3–6 months in industrial circulation systems).

Tool-Free Quick Replacement: Equipped with standard quick-connect interfaces (compatible with 2.5-inch/4-inch high-flow housings), enabling cartridge replacement in 2–3 minutes—reducing equipment downtime by 80%.

Broad Chemical Compatibility: Resistant to acids, alkalis, and most organic solvents (pH range: 1–13), suitable for filtering water, chemicals, pharmaceutical fluids, and food-grade liquids.

Technical Data

Working Principle

LeFilter High-Flow Filter Cartridges achieve efficient, large-flow filtration through a synergistic design of optimized flow channels and gradient filter media:

1. Fluid Inlet & Distribution: Contaminated fluid enters the cartridge from the outer side of the filter media. The enlarged outer surface area (3–4 times that of standard cartridges) and streamlined flow channels ensure uniform fluid distribution—avoiding local pressure buildup and flow dead zones.

2. Gradient Particle Interception:

• Outer Layer (Pre-Filtration): Coarse polypropylene/glass fiber media intercepts large particles (20–50μm), preventing clogging of the inner fine layer and extending overall service life.

• Inner Layer (Fine Filtration): Dense microfiber media (1–10μm precision) captures small impurities (e.g., colloids, fine sediments) while maintaining high flow rate—thanks to the media’s high porosity (≥85%).

3. Support & Stability: A rigid polypropylene support core inside the cartridge maintains structural integrity under high pressure (up to 1.2 MPa), preventing media deformation or collapse.

4. Clean Fluid Outlet: Filtered fluid passes through the support core and flows out through the quick-connect interface, ready for downstream processes (e.g., RO membrane treatment, industrial circulation).

5. Contamination Monitoring: When the cartridge is clogged (indicated by a pressure difference of ≥0.15 MPa between inlet and outlet), the quick-connect design allows tool-free replacement—minimizing downtime.

6. 

Application Field

LeFilter High-Flow Filter Cartridges are tailored for large-scale fluid processing scenarios across industries, delivering efficiency and cost savings:

• Municipal Water Treatment: Used as pre-filtration for RO systems in water plants. A municipal water plant in Henan replaced 20 standard cartridges with 3 LeFilter high-flow models, reducing monthly replacement labor costs by ¥8,000 and increasing water production efficiency by 15%.

• Industrial Circulating Water: Applied in cooling water systems of steel plants/chemical factories. A Shandong steel mill cut filter replacement frequency from 1x/week to 1x/3 months, reducing system downtime by 90 hours/year.

• Food & Beverage Processing: Filters raw water for beverage production (e.g., mineral water, fruit juice) and CIP (Clean-in-Place) fluids. A Guangdong beverage factory achieved 99.9% removal of suspended solids, meeting GB 19298-2014 food safety standards.

• Pharmaceutical & Biotech: Pre-filters purified water for injection (WFI) systems. A Jiangsu pharmaceutical company used LFH-P (PTFE) cartridges to meet USP <1231> standards, with no microbial contamination incidents in 2 years.

• Electronics Industry: Filters ultra-pure water (UPW) for semiconductor manufacturing. A Guangdong chip plant reduced particle counts (≥0.1μm) in UPW by 99.8%, improving chip yield by 7%.

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Q&A

Q1: How do I select the right filter media (PP/GF/PTFE) for my application?
A1: Choose based on fluid properties and temperature:

• PP media: Cost-effective for neutral fluids (e.g., tap water, general industrial oils) at ≤80℃;

• GF media: High flow rate and chemical resistance, ideal for acidic/alkaline fluids (e.g., chemical circulation water) at ≤80℃;

• PTFE media: High-temperature (≤120℃) and strong chemical resistance, suitable for harsh environments (e.g., pharmaceutical WFI, corrosive solvents).

Q2: What is the replacement cycle of LeFilter High-Flow Filter Cartridges?
A2: It depends on fluid contamination levels and application. In typical industrial circulating water (suspended solids: 10–20 mg/L), the cycle is 3–6 months. Monitor the pressure difference—replace when ΔP ≥0.15 MPa to avoid flow reduction or media damage.

Q3: Can these cartridges be used with existing high-flow filter housings?
A3: Yes. LeFilter high-flow cartridges comply with ISO standard sizes (110mm/160mm outer diameter, 500–1500mm length), compatible with most 2.5-inch/4-inch high-flow housings (e.g., Pentair, 3M) without modifying the system.

Q4: Are there customizable options for special flow rate or precision requirements?
A4: Absolutely. We offer customizations: filtration precision (0.1–100μm), length (300–2000mm), and connection types (flange, sanitary clamp). For example, we designed a 2000mm-long cartridge for a large petrochemical plant, meeting its 2,000 L/min flow demand.

Q5: Do the cartridges meet international industry standards?
A5: Yes. All models comply with FDA 21 CFR Part 177 (for food/pharmaceutical use), ISO 10438-4 (filter cartridge testing), and REACH regulations. Certificates (e.g., FDA, CE) are available upon request.