Description
String Wound Yarn Filter Cartridge
The WIRES String Wound Filter Cartridge is a depth-type filter element designed for low-viscosity, low-contaminant fluids. High-quality textile yarn — polypropylene, degreased cotton or glass fiber — is precisely wound in a controlled pattern onto a porous core (polypropylene or stainless steel). The resulting outer-loose, inner-dense honeycomb structure efficiently captures suspended solids, fine particles and rust, delivering excellent depth filtration performance.
Key Features
- Graded-density winding: outer layer coarse, inner layer fine, for high dirt holding
- Available in polypropylene yarn, degreased cotton yarn and glass fiber yarn options
- Choice of polypropylene or stainless steel inner core for different temperature limits
- Removes suspended solids, particles, rust and sediment from liquids
- Wide chemical compatibility across water, oils and aggressive chemical solutions
Specifications
| Parameter | Value |
|---|---|
| Filtration rating | 1 µm, 5 µm, 10 µm, 20 µm, 50 µm |
| Outer diameter | Φ60 mm / Φ65 mm (other sizes customizable) |
| Inner diameter (core) | Φ28 mm / Φ30 mm |
| Length | 10″, 20″, 30″, 40″ (other lengths customizable) |
| Max pressure resistance | ≤ 0.5 MPa |
| Max pressure drop | ≤ 0.2 MPa |
| Working temperature (PP yarn / PP core) | ≤ 60 °C |
| Working temperature (SS core, PP yarn) | ≤ 80 °C |
| Working temperature (cotton yarn / SS core) | ≤ 120 °C |
Cross Reference
WIRES string-wound cartridges are interchangeable with equivalent wound yarn cartridges from Pall, 3M (CUNO), Eaton, Parker, Pentair and Hayward, fitting standard 28 mm / 30 mm core filter housings. Cotton-yarn stainless-core versions are suited for pharmaceutical and high-temperature service.
Applications
- Polypropylene yarn cartridges: water, acids/alkalis and non-organic chemical solutions
- Glass fiber yarn cartridges: organic chemical solutions, strong acids/alkalis and oxidizing fluids
- Pre-filtration for reverse osmosis and nanofiltration systems
- Process water, beverage and bottled water pretreatment
- Electroplating solution and chemical bath filtration
About WIRES Filters
With over 28 years of specialized manufacturing experience, WIRES is a trusted OEM/ODM supplier of industrial filter elements and filtration systems for global B2B markets. Every filter is produced under strict quality control at our ISO-certified production facility, using premium raw materials sourced from trusted global suppliers. We offer full customization — including custom dimensions, media grades, end-cap configurations, and cross-reference matching to all major OEM brands. Our products are exported worldwide to power plants, chemical processing plants, food and beverage facilities, pharmaceutical manufacturers, marine operators, and hydraulic equipment users. Contact our engineering team today to request a quote or discuss your custom filtration requirements.
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