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Help CenterAll-Polypropylene Industrial Wound Filter Cartridge With 222 O-Ring End Cap
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As a trusted manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory proudly presents our All-Polypropylene Industrial Wound Filter Cartridge with 222 O-Ring End Cap. This high-performance filter cartridge is engineered for demanding industrial applications where chemical resistance, durability, and consistent filtration are critical. Our decade-long expertise in wire mesh and filtration products, combined with an annual export value exceeding US$5 million, ensures that each cartridge meets rigorous quality standards.
The all-polypropylene construction eliminates metal contact, making it ideal for corrosive fluids, high-purity processes, and environments where contamination must be avoided. The 222 O-Ring end cap provides a reliable, leak-free seal in standard housings, simplifying installation and replacement. Whether you need fine filtration for pharmaceuticals or high-flow prefiltration for water treatment, this wound filter cartridge delivers reliable performance.
Our product is available in a wide range of micron ratings, lengths, and custom configurations to suit your specific process requirements. Below, we detail the key features, technical specifications, and benefits that set our filter cartridge apart.
Key Features & Benefits
- All-Polypropylene Construction – 100% polypropylene materials (media, core, and end caps) provide excellent chemical compatibility with acids, alkalis, and organic solvents. No metal components mean zero risk of corrosion or leachables.
- Wound Depth Filtration – Precision winding of continuous polypropylene yarn creates a graded density structure. Larger particles are trapped near the outer surface, while finer particles are captured deeper inside, extending service life and reducing pressure drop.
- 222 O-Ring End Cap – Industry-standard 222 double O-ring seal ensures easy, secure installation in most filter housings. The O-rings are made of EPDM, Viton, or silicone (optional) for compatibility with various fluids.
- High Dirt Holding Capacity – The depth filtration design can hold up to 3–5 times more contaminants compared to surface-type filters of the same size, resulting in fewer change-outs and lower operating costs.
- Thermal and Dimensional Stability – Polypropylene withstands temperatures up to 80°C (176°F) continuous, with minimal shrinkage or deformation. The consistent winding process ensures uniform density and repeatable performance.
- Customizable Options – Micron ratings from 1 to 100 µm, lengths from 10 to 40 inches, and various inner/outer diameters available. End cap configurations can be modified (222, 226, DOE, SOE, etc.) upon request.
Technical Specifications
| Parameter | Value |
|---|---|
| Filter Media | Continuous polypropylene yarn |
| Core Material | All-polypropylene |
| End Cap Type | 222 O-Ring (double O-ring) |
| Micron Rating | 1, 5, 10, 20, 50, 100 µm (custom) |
| Length | 10", 20", 30", 40" (other lengths available) |
| Outer Diameter | 2.5" (63mm) standard |
| Inner Diameter | 1.125" (28mm) standard |
| Maximum Operating Temperature | 80°C (176°F) |
| Maximum Differential Pressure | 4.0 bar (58 psi) at 25°C |
| O-Ring Material | EPDM (standard), Viton or Silicone (optional) |
Applications
- Industrial Water Treatment – Prefiltration for RO systems, cooling tower water, and process water.
- Chemical Processing – Filtration of acids, bases, solvents, and plating solutions.
- Food & Beverage – Filtering edible oils, syrups, beer, and wine (subject to regulatory compliance).
- Pharmaceuticals – Bulk filtration of intermediates and purified water.
- Electronics – High-purity water for semiconductor manufacturing.
Our manufacturing facility in Hengshui, Hebei, China, operates with advanced winding machines and strict quality control procedures. Each filter cartridge undergoes pressure integrity testing and visual inspection before shipment. We serve clients across North America, South America, Europe, Asia, Africa, and Oceania, with shipping ports in Tianjin, Qingdao, and Shanghai for fast global delivery.
Backed by 25 years of industry experience and an annual export value of US$5–10 million, Anping County Boli Hardware Wiremesh Products Factory is your reliable partner for filtration solutions. Our team provides technical support, sample testing, and custom designs to meet your unique requirements. Contact us today to request a quote or discuss your application needs — we are ready to deliver high-quality filter cartridges that improve your process efficiency and reduce downtime.
Frequently Asked Questions (FAQ)
-
Q: What is the difference between wound and melt-blown polypropylene filters?
A: Wound filters are made by wrapping continuous yarn around a core, creating a graded density depth filter. They offer higher dirt holding capacity and can handle larger particles. Melt-blown filters are made from fine fibers that are blown onto a core, providing a more uniform pore structure. The choice depends on your specific filtration needs. -
Q: Can I use this cartridge with high-temperature fluids?
A: The maximum continuous operating temperature is 80°C (176°F). For higher temperatures, please consult our team for alternative materials or designs. -
Q: Are there any metal parts in the cartridge?
A: No, the entire cartridge — including media, core, and end caps — is made of polypropylene. There is no metal, making it suitable for applications where metal contamination is unacceptable. -
Q: What O-ring materials are available?
A: Standard O-rings are EPDM. We also offer Viton and silicone as optional materials, depending on chemical compatibility requirements. -
Q: How do I select the correct micron rating?
A: The micron rating depends on the particle size you want to remove. For fine filtration, choose 1–5 µm; for general prefiltration, 10–50 µm; for coarse filtration, 100 µm. We recommend testing with a sample to verify performance. -
Q: Do you offer custom lengths or diameters?
A: Yes, we can customize lengths, inner/outer diameters, and end cap configurations to fit non-standard housings. Minimum order quantities may apply. -
Q: What is the shelf life of these filter cartridges?
A: When stored in a cool, dry place away from direct sunlight, polypropylene cartridges have a shelf life of up to 5 years. They should be kept in original packaging to prevent contamination. -
Q: Can I get a sample before placing a bulk order?
A: Absolutely. We support sample requests for evaluation. Please contact our sales team with your specific requirements, and we will arrange shipment.
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