Products Description
String wound filter cartridge 5 micron to cotton, PP (polypropylene), glass fibers and other fiber wire, through precision winding process in the skeleton (such as polypropylene or stainless steel) formed by the deep filtration elements. The filtration accuracy is labeled as 5μm, which can retain particles such as sediment, rust, colloid and algae in water.
Process Principle
| Process Link | Technical Points |
| Wire Selection | PP fiber-based (low cost, chemically inert), some high-end use of skimmed cotton (good biocompatibility). |
| Winding Control | CNC winding machine to achieve gradual density winding (loose outer layer → tight inner layer), optimize the balance of dirt-holding capacity and differential pressure. |
| Curing and Shaping | Hot-melt adhesion or ultrasonic welding, avoiding the use of glues (to prevent contamination with dissolved substances). |
Key Features
- Precision Filtration: Effective 5 micron nominal rating for reliable capture of fine sediments, silt, scale, and other common industrial particulates.
- High Dirt Holding Capacity: Optimized winding pattern and controlled fiber density maximize contaminant retention, extending service life and reducing change-out frequency.
- Robust Construction: Manufactured using high-purity polypropylene (PP) filament and core (Standard. Nylon, Cotton, Glass Fiber options available). Resists chemical degradation and ensures structural integrity under typical operating pressures.
- Consistent Flow & Low Differential Pressure: Engineered porosity maintains optimal flow rates while minimizing initial pressure drop for energy-efficient operation.
- Broad Chemical Compatibility: PP construction provides excellent resistance to a wide range of acids, bases, solvents, and process chemicals (Specify compatibility based on actual fluid).
Products Description
Flow vs. Pressure Drop Of String Wound Filter Cartridge
The chart shows a pressure value of 10 PSI for a 5 micron string wound filter cartridge when the flow rate is increased to 5 GPM.
applications
1. Civil Water Purification System
Role: Pre-treatment core (protect back-end RO/Ultrafiltration membrane)
Function:
- Intercept ≥5μm particles, reduce turbidity (turbidity of effluent ≤0.5NTU)
- Extend the life of the main cartridge by more than 30%
2. Industrial Fluid Pre-treatment
| Industry | Applications | Core Value |
| Pharmaceutical | Rough filtration of purification water system, in line with the GMP standard | Prevent particles from contaminating the distillation tower/storage tanks |
| Electronics | Wafer cleaning water filtration | Protect precision Protecting precision valves and pipelines |
| Food & Beverage | Pre-filtration of sugar syrup and fruit juice | Avoiding impurities affecting filling equipment |
3. Special Fluid Treatment
High-viscosity liquids: Ink and paint filtration (using the anti-clogging property of deep structure)
Laboratory: Roughing filtration of chemical reagents, decontamination of culture media (biocompatibility advantage of cotton fibers)
workshop
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