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Help Center18° Filter Sector for Disc Vacuum Filter for Chemical Filtration, Acid-Resistant Polypropylene
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – a trusted manufacturer since 1998 with an annual export value of US$5-10 million. Our 18° Filter Sector for Disc Vacuum Filter is engineered specifically for demanding chemical filtration processes. Made from acid-resistant polypropylene, this sector offers superior corrosion resistance, dimensional stability, and long service life, ensuring your filtration system operates at peak efficiency. Whether you are filtering corrosive acids, alkalies, or other aggressive chemicals, our filter sector delivers consistent performance and reduces downtime.
This product is a critical component of disc vacuum filters used in industries such as mining, chemical processing, wastewater treatment, and food & beverage. The 18° angle is precisely designed to optimize cake formation, washing, and drying cycles. Below we detail its key features and technical specifications.
Key Features & Benefits
- Acid & Corrosion Resistance: Made from high-quality polypropylene (PP) with excellent resistance to acids, alkalis, and organic solvents, ensuring long-term durability in harsh chemical environments.
- Precision 18° Angle: The 18° sector design ensures uniform distribution of slurry, optimal cake formation, and efficient washing, leading to higher filtration rates and lower moisture content in the filter cake.
- Lightweight & Easy to Install: Polypropylene is significantly lighter than metal alternatives, reducing stress on the filter mechanism and simplifying installation and maintenance.
- Customizable Dimensions: Available in various sizes, thicknesses, and colors to match your specific disc vacuum filter model and process requirements.
- High Mechanical Strength: Reinforced with fiberglass or other fillers upon request for enhanced rigidity and impact resistance.
- Cost-Effective Solution: Lower initial cost compared to stainless steel or rubber sectors, with extended service life reducing replacement frequency.
Technical Specifications
| Material | Acid-Resistant Polypropylene (PP) / PP+GF optional |
| Angle | 18° (standard, other angles available on request) |
| Color | White, grey, or as per customer requirement |
| Temperature Range | -20°C to 100°C (higher temperature grade available) |
| Density | 0.9–1.2 g/cm³ depending on formulation |
| Application | Chemical filtration, acid/alkali processing, mining, food & beverage |
| Customization | OEM/ODM, custom size, thickness, and reinforcement available |
Detailed Product Advantages
Our 18° filter sector is manufactured using injection molding or compression molding techniques to ensure consistent quality and dimensional accuracy. The polypropylene material we use is virgin-grade, free from recycled content, ensuring no contamination of your filtration process. The smooth surface finish reduces cake adhesion and improves cleaning efficiency.
Compared to traditional metal sectors, our polypropylene sectors are non-corrosive, non-conductive, and resistant to chemical attack. They do not rust or degrade in acidic environments, which makes them ideal for sulfuric acid, hydrochloric acid, and other aggressive chemicals used in the chemical industry. The lightweight nature also reduces energy consumption of the rotating disc mechanism.
For customers requiring higher strength, we offer glass-fiber reinforced polypropylene (PP+GF) which increases tensile strength and modulus while maintaining excellent chemical resistance. This option is particularly suitable for large-diameter disc filters or high-pressure applications.
Application Scenarios
- Chemical Industry: Filtration of acids, alkalis, salts, and organic solvents.
- Mining & Metallurgy: Dewatering of mineral concentrates and tailings.
- Wastewater Treatment: Sludge dewatering and solid-liquid separation.
- Food & Beverage: Filtration of juices, oils, and fermentation broths.
Trust & Reliability
Anping County Boli Hardware Wiremesh Products Factory has been serving global customers since 1998. Our annual export value exceeds US$5 million, and we ship to major ports including Tianjin, Qingdao, Shanghai, and Foshan. Our products are trusted by clients in North America, South America, Eastern Europe, Southeast Asia, Africa, and many other regions. We maintain strict quality control throughout production, from raw material inspection to final packaging. Each filter sector is tested for dimensional accuracy, angle, and surface finish before shipment.
With over 20 years of manufacturing experience, we understand the critical role that filter sectors play in your process. Our team can assist you in selecting the right material, angle, and reinforcement to meet your specific chemical and temperature requirements. We offer free samples for evaluation and provide technical support during installation and commissioning.
Choose our 18° filter sector for reliable, long-lasting performance in your disc vacuum filter. Contact us today to discuss your requirements or request a quotation. We are confident that our product will exceed your expectations.
Frequently Asked Questions
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Q: What is the maximum operating temperature for this filter sector?
A: The standard polypropylene grade can operate continuously up to 80°C, with intermittent peaks up to 100°C. For higher temperatures, we recommend our PP+GF or special heat-stabilized grades (up to 120°C). -
Q: Can I get a custom angle other than 18°?
A: Yes, we can produce filter sectors with angles from 10° to 30° based on your filter design. Please provide the exact angle and radius required. -
Q: How long is the delivery time?
A: For standard sizes, delivery is typically 15–20 days after order confirmation. Custom orders may require 25–30 days depending on complexity. -
Q: Is this product resistant to hydrofluoric acid?
A: Polypropylene has limited resistance to hydrofluoric acid. For HF applications, we recommend using a specialized material such as PVDF or PTFE. Please consult our technical team for advice. -
Q: Do you provide samples for testing?
A: Yes, we offer free samples (you pay shipping). Samples are available in standard sizes or custom as per your request. -
Q: What is the warranty period?
A: We provide a 12-month warranty against manufacturing defects under normal operating conditions. Extended warranty is available upon request. -
Q: How do I measure the correct size for my disc vacuum filter?
A: Please measure the inner radius, outer radius, and thickness of your existing sector. Alternatively, provide the filter model number, and we can help match the dimensions. -
Q: Can you produce sectors with cloth or filter media attached?
A: Yes, we can supply sectors with pre-attached filter cloth or support grid. Please specify the cloth type (e.g., polypropylene, polyester) and mesh size.
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