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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a professional manufacturer specializing in stainless steel wedge filters. With an annual export value of US$5 million to US$10 million and serving markets across North America, South America, Europe, Asia, Africa, and Oceania, we bring decades of expertise to every product. Our Stainless Steel Wedge Filter (Johnson Filter) is designed for high-efficiency solid-liquid separation, offering robust construction, precise slot tolerances, and long service life. Each unit comes with a 1-year warranty and a Mill Test Report for material traceability, ensuring your confidence in quality and performance.
Key Features & Technical Specifications
- Material: Premium stainless steel 304 or 316L – corrosion-resistant, durable, and suitable for harsh environments.
- Slot Design: Continuous V-shaped wedge wire profile provides precise filtration, reduces clogging, and allows easy backwashing.
- Structural Strength: Welded support rods and heavy-duty construction withstand high pressure and mechanical stress.
- Customizable Dimensions: Outer diameter from 20mm to 1000mm, length up to 6000mm, slot sizes from 0.1mm to 10mm.
- Connection Options: Flange, thread, or custom end connections to fit your system.
- Mill Test Report Included: Ensures chemical composition and mechanical properties meet standards.
- 1-Year Warranty: Covers manufacturing defects – your peace of mind is guaranteed.
| Parameter | Range / Option |
|---|---|
| Material Grade | 304 / 304L / 316 / 316L |
| Slot Width | 0.1 – 10 mm (customizable) |
| Outer Diameter | 20 – 1000 mm |
| Length | Up to 6000 mm (one-piece) |
| End Connection | Flange, Thread, Plain, Custom |
| Operating Temperature | -20°C to 400°C (depending on material) |
| Warranty | 1 Year |
Applications & Benefits
Our wedge filters are widely used in municipal water treatment, oil & gas filtration, mining, food processing, pulp and paper, and chemical industries. The self-cleaning V-wire design minimizes maintenance downtime and enhances filtration efficiency. Compared to traditional mesh or perforated screens, the wedge wire construction offers:
- Higher open area for increased flow rates
- Superior backwash capability – reduces water consumption
- Longer service life – resists blinding and wear
- Consistent slot tolerance – ensures uniform filtration quality
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
With over 25 years of manufacturing experience, we have exported to more than 15 countries and regions, including North America, Europe, Southeast Asia, and the Middle East. Our annual export value of US$5–10 million reflects global trust. We ship from major ports like Tianjin, Qingdao, Shanghai, and Foshan, ensuring fast and reliable logistics. Every filter is supplied with a Mill Test Report for full material traceability, and our 1-year warranty covers any manufacturing defects. We are committed to providing customized solutions – whether you need a specific slot size, end connection, or special alloy, we can deliver. Contact us today for a quote or technical consultation.
Frequently Asked Questions (FAQ)
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Q: What is the difference between a wedge filter and a wire mesh filter?
A: A wedge filter uses V-shaped wedge wire wound around support rods, providing a continuous slot that is less prone to clogging and easier to backwash. It offers higher strength and longer lifespan compared to woven mesh for demanding applications. -
Q: Can I get a sample before placing a bulk order?
A: Yes, we offer samples for evaluation. The sample cost is negotiable, and we can provide a custom sample with your required slot size and dimensions. -
Q: What stainless steel grades do you recommend for corrosive environments?
A: For highly corrosive environments (e.g., seawater, acidic chemicals), we recommend SS 316L or duplex stainless steel. Mill Test Reports are available to confirm the material grade. -
Q: How is the slot tolerance controlled?
A: Our wedge filters are manufactured using precision winding machines with CNC control. Slot tolerance is typically within ±0.05mm, depending on the slot size. A detailed inspection report can be provided upon request. -
Q: Do you support custom end connections?
A: Absolutely. We can produce flanges, threads, or plain ends according to your drawings or industry standards (e.g., ANSI, DIN, JIS). Customization is available for both ends. -
Q: What is the lead time for production?
A: Standard lead time is 15–25 working days after order confirmation, depending on quantity and complexity. For urgent orders, we can expedite production – please contact our sales team. -
Q: Is the Mill Test Report provided for every order?
A: Yes, a Mill Test Report (MTR) is included with every shipment as standard. It certifies the chemical composition and mechanical properties of the stainless steel used. -
Q: How do I clean the wedge filter?
A: The V-wire design allows effective backwashing with water or air. For chemical cleaning, we recommend using compatible solvents. Detailed maintenance guidelines are provided with the product.
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