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As a leading manufacturer from Anping County Boli Hardware Wiremesh Products Factory (established in 1998), we specialize in producing high-quality Automatic Self-Cleaning Filter Sectors for dewatering filters. Crafted from premium 316L stainless steel, these sectors are designed to provide continuous, low-maintenance operation in demanding solid-liquid separation processes. Our self-cleaning mechanism effectively reduces downtime and labor costs, making them an ideal choice for mining, chemical, food processing, and wastewater treatment industries.
Each filter sector is manufactured with precision wedge wire technology, ensuring uniform slot openings and high open area for maximum filtration efficiency. The automatic self-cleaning feature (backwash or scraper mechanism) prevents clogging and maintains consistent flow rates, even with high-solids content slurries. With over 20 years of export experience to markets across North America, South America, Europe, Asia, and Africa, our products are trusted by global clients for their durability and performance.
Key Features & Technical Specifications
- Material: 316L Stainless Steel – excellent corrosion resistance, suitable for acidic and alkaline slurries.
- Self-Cleaning Design: Automatic backwash or rotating scraper eliminates manual cleaning, extending service life.
- High Open Area: Wedge wire profile allows up to 60% open area, improving dewatering efficiency.
- Precise Slot Opening: Available from 0.1mm to 3mm (customizable), ensuring accurate particle separation.
- Robust Construction: Welded support bars and heavy-duty frame withstand high pressure and vibration.
- Easy Installation: Standard sector dimensions fit most dewatering filter presses (custom sizes available).
- Low Maintenance: No frequent replacement of filter cloth; long service life reduces operational costs.
| Parameter | Standard Value | Remarks |
|---|---|---|
| Material Grade | 316L Stainless Steel | Also available: 304, 904L (upon request) |
| Slot Opening | 0.1 – 3 mm | Customizable to ±0.02mm tolerance |
| Sector Dimensions | Length: 600-1500 mm, Width: 200-800 mm | Custom shapes available |
| Wire Diameter | 2.5 – 5.0 mm | Depends on slot opening and strength requirements |
| Max Operating Pressure | Up to 6 bar (87 psi) | Higher on request |
| Cleaning Method | Automatic backwash / scraper | Option: pneumatic or hydraulic drive |
Benefits to Your Operation
- Continuous Operation: Self-cleaning eliminates downtime for manual cleaning, increasing overall throughput.
- Improved Filtration Quality: Consistent slot openings ensure stable cake solids content and filtrate clarity.
- Reduced Labor Costs: Minimal human intervention required; automatic system runs independently.
- Longer Service Life: 316L stainless steel resists corrosion and abrasion, even in harsh chemical environments.
- Energy Savings: High open area reduces pressure drop, lowering pump energy consumption.
Our factory, located in Hengshui, Hebei, China, has been a trusted manufacturer of wire mesh products since 1998. With an annual export value of US$5–10 million, we ship to major ports such as Tianjin, Qingdao, Shanghai, and Foshan, serving clients from North America to Oceania. Every filter sector undergoes strict quality control, including dimensional inspection and pressure testing, to ensure reliable performance. We offer flexible customization options – from slot size to overall dimensions – to match your specific dewatering equipment.
Contact us today for a quote or sample request. Our experienced team will assist you in selecting the right filter sector for your application, backed by decades of manufacturing expertise and global customer satisfaction.
Frequently Asked Questions
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Q: What is the difference between 316L and 304 stainless steel for filter sectors?
A: 316L contains molybdenum, providing superior resistance to chlorides and acidic environments. It is recommended for corrosive slurries, while 304 is suitable for milder conditions. -
Q: How does the automatic self-cleaning function work?
A: The sector can be equipped with a backwash system (reverse flow of filtrate) or a mechanical scraper/brush that rotates to remove accumulated solids. The cleaning cycle is programmable and triggered by pressure differential or timer. -
Q: Can I get custom dimensions for my existing filter press?
A: Yes, we can manufacture sectors according to your drawings or samples. Please provide the length, width, slot opening, and mounting hole pattern. -
Q: What is the typical lifespan of a 316L self-cleaning filter sector?
A: With proper operation, the lifespan can exceed 5–10 years, depending on the slurry abrasiveness and cleaning frequency. The stainless steel construction resists wear and corrosion. -
Q: Do you offer samples before bulk order?
A: Absolutely. We can provide a sample sector for testing. Sample cost is negotiable, and shipping is at the buyer's expense. -
Q: What is the minimum order quantity (MOQ)?
A: Our MOQ for standard sizes is 10 pieces. For custom sizes, it may be 20–50 pieces, depending on complexity. -
Q: How is the sector packaged for export?
A: Each sector is wrapped in protective plastic and packed in wooden crates or steel pallets to prevent damage during shipping. -
Q: Can the sector be used in high-temperature applications?
A: 316L stainless steel can withstand temperatures up to 800°C in oxidizing environments, but the sealing and cleaning mechanism may have lower limits. Please specify your temperature range for design adjustment.
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