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Anping County Boli Hardware Wiremesh Products Factory proudly presents our Sintered Phenolic Resin Filter Cartridge — a robust filtration solution engineered for demanding industrial applications. With a precision rating of 20 microns, a flow capacity of 50 GPM, and a burst pressure of 300 PSI, this cartridge delivers consistent performance under high pressure and high flow conditions. Manufactured in our Hebei, China facility since 1998, we combine decades of expertise with advanced sintering technology to produce filter cartridges that meet the rigorous standards of global markets including North America, Europe, and Southeast Asia.
Our sintered phenolic resin construction creates a porous, rigid matrix that provides depth filtration with excellent particle retention. The 20 micron rating ensures efficient removal of suspended solids, rust, sand, and other contaminants while maintaining a low pressure drop. Whether used in water treatment, chemical processing, oil & gas, or food & beverage pre-filtration, this cartridge offers reliable service life and easy replacement.
Key Features & Benefits
- High Flow Rate (50 GPM): Designed for large volume applications, reducing the number of cartridges needed per vessel.
- High Burst Pressure (300 PSI): Withstands extreme operating conditions, minimizing risk of cartridge failure.
- 20 Micron Nominal Filtration: Balances fine particle removal with high dirt-holding capacity.
- Sintered Phenolic Resin Matrix: Chemically resistant, rigid structure prevents media migration and collapse.
- Deep Depth Filtration: Captures contaminants throughout the cartridge thickness, extending service life.
- Low Pressure Drop: Energy-efficient operation reduces pumping costs.
- Wide Chemical Compatibility: Suitable for acids, alkalis, solvents, and organic compounds (test for specific compatibility).
- Customizable Lengths & End Configurations: Available in 10", 20", 30", 40" lengths with DOE, 222, 226, or custom seals.
Technical Specifications
| Parameter | Value |
| Filtration Rating | 20 Micron (Nominal) |
| Maximum Flow Rate | 50 GPM (per 10" length) |
| Burst Pressure | 300 PSI (20.7 bar) |
| Maximum Operating Temperature | 125°C (257°F) – depending on fluid |
| Core Material | Polypropylene or Stainless Steel (optional) |
| Outer Diameter | 2.5 inches (standard) / 4.5 inches (high flow) |
| Length Options | 10", 20", 30", 40" (customizable) |
| End Cap Configurations | Open End (DOE), 222 O-Ring, 226 O-Ring, Flat Gasket |
| Recommended Replacement Differential Pressure | 35–40 PSI (2.4–2.8 bar) |
Typical Applications
- Industrial water treatment (cooling tower, boiler feed, process water)
- Chemical processing – acid, alkaline, and solvent filtration
- Oil & gas – produced water, injection water, amine filtration
- Food & beverage – pre-filtration for juices, beverages, edible oils
- Pharmaceutical – pre-filtration for purified water systems
- Wastewater treatment – tertiary filtration, membrane protection
- Plating & metal finishing – bath filtration, rinse water
The sintered phenolic resin material provides excellent resistance to acids, alkalis, and organic solvents, making it a versatile choice for aggressive chemical environments. Unlike traditional wound or pleated cartridges, our depth filter design offers a higher dirt-holding capacity, which translates to longer service intervals and lower total cost of ownership. The high burst pressure ensures safe operation even during system upsets, protecting downstream equipment.
Why Choose Boli Filter Cartridges?
With over 25 years of manufacturing experience, Anping County Boli Hardware Wiremesh Products Factory has established a reputation for consistent quality and reliable supply. Our annual export value of US$5–10 million demonstrates our commitment to serving global customers across North America, Europe, Asia, Africa, and Oceania. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery. Our factory has implemented strict quality control procedures to guarantee that each cartridge meets the specified micron rating, flow rate, and burst pressure requirements.
We invite you to experience the difference of a Boli filter cartridge. Whether you need a standard 20 micron, 50 GPM, 300 PSI unit or a customized solution, our team is ready to assist. Contact us for samples, technical data sheets, or volume pricing. Trust Boli — your filtration partner since 1998.
Frequently Asked Questions
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Q: What is the actual filtration efficiency of a 20 micron nominal cartridge?
A: Nominal 20 micron means the cartridge will retain the majority of particles ≥20 microns under standard test conditions. Actual efficiency depends on flow rate, fluid viscosity, and particle characteristics. For critical applications, we recommend a 99% efficiency test or a beta rating test. Please contact us for detailed performance data. -
Q: Can this cartridge be used with high-temperature fluids?
A: The maximum continuous operating temperature is typically 125°C (257°F) in water-based fluids. For higher temperatures or specific chemicals, please consult our technical team. The polypropylene core may limit temperature; a stainless steel core is available for higher temperature applications. -
Q: How do I select the correct end cap configuration?
A: Common configurations include DOE (double open end) for standard housings, 222 O-Ring (flat cap with O-ring seal), and 226 O-Ring (bayonet lock). The choice depends on your housing design. We can supply samples to verify fitment before bulk order. -
Q: What is the recommended replacement schedule?
A: Replace when the differential pressure across the cartridge reaches 35–40 PSI (2.4–2.8 bar) or when the effluent quality degrades. Actual life depends on influent turbidity and flow rate. For a typical industrial water application, replacement may occur every 3–6 months. -
Q: Is this cartridge compatible with strong acids or alkalis?
A: The sintered phenolic resin matrix has good resistance to many acids, alkalis, and organic solvents. However, compatibility should be tested for your specific chemical concentration and temperature. We provide a chemical resistance chart upon request. -
Q: Do you offer custom lengths or special micron ratings?
A: Yes, we can manufacture cartridges in custom lengths (e.g., 5", 15", 25") and micron ratings from 5 to 100 microns. MOQ may apply. Please contact us with your requirements. -
Q: What packaging is used for export?
A: Each cartridge is individually shrink-wrapped or bagged, then packed in sturdy export cartons with inner dividers. For bulk orders, we offer palletizing with stretch wrap to ensure safe transportation. -
Q: Can I get a sample before placing a large order?
A: Absolutely. We provide free samples (shipping cost may apply) for evaluation. Please send your delivery address and contact details to request a sample.
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