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Help CenterStainless Steel Wedge Wire Filter (Johnson Filter) for Water Treatment, 0.2mm Slot, 2m Length
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – your trusted manufacturer of precision filtration solutions since 1998. Our Stainless Steel Wedge Wire Filter (also known as Johnson Filter) is engineered for reliable water treatment applications, featuring a precise 0.2mm slot width and a standard 2-meter length. With over two decades of expertise and an annual export value exceeding US$5 million, we deliver products that combine durability, high flow capacity, and easy maintenance. This filter is designed to meet the rigorous demands of municipal, industrial, and agricultural water treatment systems worldwide.
Our wedge wire filters are manufactured using advanced continuous slot winding technology, ensuring uniform slot openings and exceptional mechanical strength. The V-shaped profile of the wire prevents clogging and allows for efficient backwashing, reducing downtime and operational costs. Whether you need a filter for well water, wastewater, or process water, this product offers consistent performance and long service life.
Key Features & Advantages
- Precision Slot Width: 0.2mm (±0.02mm tolerance) ensures accurate filtration of fine particles while maintaining high flow rates.
- High Strength Construction: Made from stainless steel wire and support rods, capable of withstanding high pressure and mechanical stress.
- Non-Clogging Design: V-shaped wedge wire creates a self-cleaning surface; particles are repelled, and easy backwashing extends filter life.
- Corrosion & Heat Resistance: Suitable for aggressive water environments (pH 2–12) and temperatures up to 400°C (depending on material grade).
- Customizable Dimensions: Length, diameter, flange type, and connection options (thread, flange, or welded) available upon request.
- Low Maintenance: Smooth surface reduces fouling; simple cleaning procedures reduce labor costs.
Technical Specifications
| Parameter | Value |
|---|---|
| Material Grade | SS304 / SS316L (optional) |
| Slot Width | 0.2 mm (0.008 inch) |
| Length | 2 m (custom: 0.5–6 m) |
| Outer Diameter | Standard: 50–300 mm (custom) |
| Wire Profile | V-shaped (wedge wire) |
| Support Rod Pitch | 25–50 mm (customizable) |
| Max Operating Temperature | Up to 400°C (SS304), 450°C (SS316L) |
| Connection Type | Threaded (NPT/BSP), Flanged, or Plain |
Benefits for Your Water Treatment Systems
- Enhanced Filtration Efficiency: The 0.2mm slot captures particles like sand, silt, and organic matter while maintaining a high flow rate, reducing the load on downstream filters.
- Reduced Energy Costs: Lower pressure drop across the filter means pumps consume less energy.
- Longer Service Life: Stainless steel construction resists corrosion and abrasion, lasting 3–5 times longer than plastic or mesh filters in harsh environments.
- Easy Integration: Standard dimensions and connection options allow seamless replacement in existing filter housings or custom designs.
- Minimal Downtime: Backwashing efficiency of wedge wire filters reduces cleaning frequency and labor.
Why Choose Boli? As a manufacturer with over 25 years of experience (established 1998), we have supplied wedge wire filters to clients across North America, South America, Europe, Africa, and Asia. Our annual export value of US$5–10 million reflects our commitment to quality and reliability. We ship from major ports including Tianjin, Qingdao, and Shanghai, ensuring timely delivery. Every filter undergoes strict quality control with slot width verification before shipment. We offer OEM/ODM services and are happy to provide samples for testing. Contact us today for a quote or technical consultation – your satisfaction is our priority.
Frequently Asked Questions
Q1: What is the difference between a wedge wire filter and a wire mesh filter?
A: Wedge wire filters have a V-shaped profile that creates a continuous slot, providing better strength, non-clogging performance, and higher flow rates compared to woven wire mesh. They are ideal for high-pressure and high-flow applications like water treatment.
Q2: Can this filter be used for both well water and wastewater treatment?
A: Yes, the stainless steel wedge wire filter is suitable for a wide range of water types, including groundwater, surface water, industrial wastewater, and even seawater (with proper material grade). The 0.2mm slot is effective for removing fine sand, silt, and suspended solids.
Q3: What is the maximum pressure this filter can handle?
A: The pressure rating depends on the diameter, wall thickness, and support rod spacing. Standard designs can withstand up to 10 bar (145 psi). For higher pressures, we can reinforce the structure – please provide your operating conditions for a custom solution.
Q4: Can I order a filter with a different slot width or length?
A: Absolutely. We offer custom slot widths from 0.05mm to 6mm, and lengths from 0.5m to 6m. Simply specify your requirements, and we will manufacture accordingly. Minimum order quantity may apply for custom sizes.
Q5: How do I clean or maintain this filter?
A: The wedge wire filter is designed for easy backwashing – reverse flow of water or air dislodges trapped particles. For severe fouling, chemical cleaning or high-pressure water jetting can be used. The smooth surface resists scaling, reducing maintenance frequency.
Q6: Do you offer samples before bulk order?
A: Yes, we provide samples (e.g., a short length of 200mm) for evaluation. The sample cost can be deducted from the first bulk order. Please contact our sales team to arrange.
Q7: What are the available connection types?
A: We offer threaded connections (NPT or BSP), flanged ends (ANSI, DIN, or custom), and plain ends for welding. You can also choose end caps or other configurations. Please specify your preference.
Q8: What is the typical lead time?
A: For standard sizes and quantities, lead time is 7–15 working days. For custom orders, it may be 15–25 working days depending on complexity. We ship via sea, air, or express as per your request.
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