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Help CenterGalvanized Round-Perforated Dewatering Screen With 1-Year Warranty and Mill Test Report, Factory Direct
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As a leading manufacturer with over 25 years of expertise, Anping County Boli Hardware Wiremesh Products Factory proudly presents our Galvanized Round-Perforated Dewatering Screen — a high-performance solution designed for efficient solid-liquid separation in demanding industrial environments. Manufactured directly from our factory in Hengshui, Hebei, China, each screen is hot-dip galvanized to ensure superior corrosion resistance and long service life, backed by a 1-year warranty and a comprehensive Mill Test Report for material traceability.
Our dewatering screens are precision-engineered with round perforations that optimize water drainage while retaining fine particles, making them ideal for use in mining, quarrying, aggregate processing, and wastewater treatment. With factory-direct pricing and flexible customization options, we help you reduce operational costs without compromising on quality. Below, we detail the key features, technical specifications, and benefits that set our product apart.
Key Features & Technical Specifications
- Material: High-quality galvanized steel sheet, hot-dip galvanized after perforation for uniform coating.
- Perforation Pattern: Round holes in staggered or straight-line arrangement, customizable hole diameter from 2mm to 20mm.
- Sheet Thickness: Available from 1.5mm to 6mm, tailored to your load and abrasion requirements.
- Open Area: Typically 30%–60% depending on hole size and spacing, maximizing water flow.
- Warranty: 1 year against manufacturing defects.
- Quality Assurance: Each batch includes a Mill Test Report certifying chemical composition and mechanical properties.
- Customization: Size, hole pattern, edge treatment (flat, flanged, or hooked), and additional reinforcement are available.
| Attribute | Typical Value | Customizable |
| Sheet Dimensions (L x W) | 2400mm x 1200mm (standard) | Yes |
| Hole Diameter | 6mm (common for dewatering) | Yes (2–20mm) |
| Open Area Ratio | 45% | Yes (30%–60%) |
| Zinc Coating Weight | ≥275 g/m² | Available upon request |
| Flatness Tolerance | ±1mm per meter | Strictly controlled |
Advantages & Benefits for Your Application
- Enhanced Dewatering Efficiency: Round holes allow smooth water passage while minimizing clogging, reducing downtime.
- Long Service Life: Hot-dip galvanizing provides excellent rust and abrasion resistance, even in harsh environments.
- Cost-Effective: Factory-direct pricing eliminates middlemen, giving you competitive rates without sacrificing quality.
- Reliable Material Traceability: Every shipment includes a Mill Test Report, ensuring compliance with your project specifications.
- Flexible Customization: We can adjust hole size, pattern, sheet thickness, and edge details to match your existing equipment.
- Quick Turnaround: With our own manufacturing facility, we can produce and ship orders efficiently, supporting your schedule.
Our dewatering screens are widely used in vibrating screens, trommel screens, and static sieves across industries such as coal washing, sand and gravel processing, iron ore beneficiation, and municipal sludge treatment. The combination of high open area and robust galvanized coating ensures consistent performance under heavy loads and wet conditions.
Trust & Reliability – Why Choose Anping Boli?
Established in 1998, Anping County Boli Hardware Wiremesh Products Factory has grown into a trusted manufacturer with an annual export value of US$5 million to US$10 million. Our products are shipped to major ports including Tianjin, Qingdao, Shanghai, and Foshan, and we serve markets across North America, South America, Europe, Africa, Asia, and Oceania. With decades of experience in wire mesh and perforated metal, we have the expertise to deliver screens that meet the highest standards of precision and durability.
We stand behind every screen with a 1-year warranty and provide a Mill Test Report with each order for full transparency. Our factory-direct model means you get competitive pricing, fast communication, and dedicated support for custom requirements. Whether you need a standard size or a specialized design, we are ready to assist.
Contact us today to discuss your dewatering screen needs. Let us provide you with a tailored solution that optimizes your separation process and reduces your total cost of ownership. Request a quote or ask for a sample — we are here to help.
Frequently Asked Questions (FAQ)
Q1: What is the typical lead time for custom orders?
A: Lead time depends on the quantity and complexity. For standard sizes, we usually ship within 15–20 days after order confirmation. Custom orders may take 20–30 days. We will confirm the schedule with you before production.
Q2: Can I get a sample before placing a bulk order?
A: Yes, sample orders are welcome. We can provide a small piece (e.g., 300mm x 300mm) for testing. Please contact us for sample pricing and shipping details.
Q3: What sizes of perforations are available for dewatering screens?
A: We offer round hole diameters from 2mm to 20mm. The optimal hole size depends on the particle size of your material. Our engineers can recommend the best configuration for your application.
Q4: How do you ensure the quality of the galvanized coating?
A: The hot-dip galvanizing process is carefully controlled to meet ASTM A123 standards. We also conduct thickness tests and adhesion tests regularly. The Mill Test Report includes the coating weight and composition analysis.
Q5: Can the screens be used in high-temperature or acidic environments?
A: Galvanized steel performs well in moderate temperatures (up to 200°C) and neutral to mildly alkaline conditions. For highly acidic or high-temperature applications, we recommend stainless steel or other specialized coatings. Please consult us for specific requirements.
Q6: What is the minimum order quantity (MOQ)?
A: Our MOQ is typically 100 sheets for standard sizes. For custom sizes or complex patterns, the MOQ may be higher. However, we can discuss smaller quantities for trial orders.
Q7: Do you offer edge finishing options like flanging or hook-strip?
A: Yes, we offer various edge treatments including flat cut, flanged edges, and hook strips for easy installation on vibrating screens. Please specify your requirements when ordering.
Q8: How is the Mill Test Report provided?
A: The Mill Test Report is included with each shipment. It contains the chemical composition of the steel, mechanical properties (yield strength, tensile strength, elongation), and the galvanized coating analysis. We can also send a digital copy for your records.
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