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Help Center18° Stainless Steel Filter Sector, 316L Grade, 0.5mm Slot Width, for Disc Vacuum Filter
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Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer with over two decades of experience since 1998. Our 18° Stainless Steel Filter Sector, 316L Grade, 0.5mm Slot Width is engineered specifically for disc vacuum filters, delivering superior dewatering performance and long service life. Crafted from premium 316L stainless steel, this sector offers exceptional corrosion resistance in harsh chemical environments, ensuring reliable operation in mining, mineral processing, and industrial filtration applications. With an annual export value of US$5-10 million, we supply clients worldwide from our base in Hengshui, Hebei, China, shipping via Tianjin, Qingdao, Shanghai, and other major ports.
Our filter sector features a precise 18° angle design that optimizes cake discharge and minimizes clogging, while the 0.5mm slot width provides consistent filtration efficiency. The wedge wire construction ensures uniform slot openings and high mechanical strength, even under vacuum pressure. Below are key technical specifications:
| Parameter | Value |
|---|---|
| Material | 316L Stainless Steel |
| Angle | 18° |
| Slot Width | 0.5mm (500 microns) |
| Shape | Sector |
| Application | Disc Vacuum Filter |
| Surface Finish | Optional (polished, pickled, or as required) |
Key Features and Benefits:
- Corrosion Resistance: 316L stainless steel contains molybdenum, providing superior resistance to chlorides, acids, and alkalis compared to standard 304 grade. This extends the service life even in aggressive slurries.
- Precision Slot Width: The 0.5mm wedge wire gap ensures consistent particle retention while maximizing liquid throughput. Ideal for dewatering fine particles in coal, iron ore, and chemical processing.
- Optimized 18° Angle: The sector angle is designed to match standard disc vacuum filter configurations, promoting efficient cake formation and discharge. This reduces downtime and maintenance.
- High Mechanical Strength: Wedge wire construction provides a rigid structure that withstands vacuum pressure up to 0.08 MPa without deformation. The robust design resists wear from abrasive slurries.
- Customizable Dimensions: We offer tailor-made sectors to fit various disc filter diameters and segment numbers. Please provide your specific radius, arc length, and thickness requirements.
- Easy Installation: Each sector is manufactured with precise dimensions and optional mounting holes or brackets to match your existing filter system. Drop-in replacement for most OEM models.
Our manufacturing process employs advanced CNC-controlled welding machines to ensure uniform slot openings and consistent quality. Every sector undergoes strict inspection for slot width tolerance (±0.05mm) and dimensional accuracy. We also offer additional surface treatments such as electropolishing or passivation to enhance corrosion resistance upon request.
Applications:
- Mining: Dewatering of iron ore, copper, coal, and mineral concentrates
- Chemical: Filtration of phosphoric acid, gypsum, and other corrosive slurries
- Environmental: Sludge dewatering in wastewater treatment plants
- Food & Beverage: Sugar refining, starch processing (where 316L is food-grade compliant)
With 26 years of manufacturing expertise, Anping County Boli Hardware Wiremesh Products Factory has supplied disc vacuum filter sectors to clients across North America, South America, Europe, Southeast Asia, Africa, and Oceania. Our annual export volume of US$5-10 million reflects our commitment to quality and customer satisfaction. We stock common sizes for quick delivery, and custom orders are typically completed within 15-20 working days.
Choose our 18° 316L Stainless Steel Filter Sector with 0.5mm slot width for a reliable, long-lasting solution that enhances your filtration efficiency. Contact us today for a quote or technical consultation. Our team is ready to assist with dimensions, material certifications, and shipping logistics from any of our departure ports: Tianjin, Qingdao, Shanghai, or Foshan.
Frequently Asked Questions
Q1: What is the difference between 304 and 316L stainless steel for filter sectors?
A: 316L contains molybdenum, which provides better corrosion resistance against chlorides and acidic environments. For disc vacuum filters handling aggressive slurries (e.g., in chemical or mining applications), 316L is recommended for longer service life.
Q2: Can you supply sectors with slot widths other than 0.5mm?
A: Yes, we offer a range of slot widths from 0.1mm to 3mm, depending on your filtration requirements. Custom slot widths are available upon request with minimum order quantities.
Q3: How do I determine the correct sector angle and dimensions for my disc filter?
A: Please provide the disc diameter, number of sectors per disc, and the mounting hole pattern. We can also reverse-engineer a sample sector if you send us an existing one. Our engineering team will verify compatibility.
Q4: What is the typical lead time for custom orders?
A: For standard sizes, 7-10 working days. For custom dimensions and slot widths, 15-20 working days. Express shipping is available for urgent orders.
Q5: Do you provide any surface treatment to prevent fouling?
A: Yes, we can apply electropolishing, passivation, or a special coating to reduce particle adhesion and make cleaning easier. Please specify your requirements when ordering.
Q6: Are your filter sectors compatible with OEM disc filters?
A: Our sectors are designed as direct replacements for many popular brands, including but not limited to Peterson, Eimco, Andritz, and Outotec. We recommend providing your original part number or detailed drawing for exact match.
Q7: What is the maximum operating temperature for these sectors?
A: 316L stainless steel can withstand continuous temperatures up to 800°C in non-oxidizing environments, but for filtration applications, the limiting factor is usually the sealing gasket. Typically, our sectors are used in slurries up to 80°C.
Q8: Do you offer a warranty on your filter sectors?
A: Yes, we offer a 12-month warranty against manufacturing defects. We also provide replacement parts and technical support throughout the product lifecycle.
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