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Help CenterCustomized Wedge Wire Screen Johnson Filter, 304 SS, 1.5mm Slot, 150mm Diameter, ISO 9001 Compliant
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As a leading manufacturer with over 25 years of experience, Anping County Boli Hardware Wiremesh Products Factory (Est. 1998) proudly presents our Customized Wedge Wire Screen Johnson Filter, crafted from premium 304 Stainless Steel with a precise 1.5mm slot and 150mm diameter. Our factory has exported millions of dollars worth of filtration products to global markets including North America, Europe, Southeast Asia, and the Middle East. Each filter is manufactured under strict ISO 9001 quality control, ensuring consistent performance in demanding industrial applications.
This Johnson-type wedge wire screen features a unique V-shaped wire profile that provides self-cleaning capability, high mechanical strength, and excellent flow characteristics. The 1.5mm slot opening is ideal for coarse to medium filtration tasks, while the 304 stainless steel construction guarantees corrosion resistance and long service life in water treatment, oil & gas, chemical processing, and mining industries. Our screens are fully customizable – from diameter, length, slot size, to end connections – to meet your exact specifications.
Key Features & Technical Specifications
- Premium Material: 304 Stainless Steel – excellent corrosion resistance, suitable for fresh water, seawater, and mild chemical environments.
- Precise Slot Opening: 1.5mm ±0.05mm – consistent filtration performance, prevents clogging and reduces maintenance.
- High Strength: Continuous wedge wire wound on support rods – withstands high pressure and backwashing.
- Self-Cleaning Design: V-shaped wire profile allows particles to slide off easily, minimizing blinding.
- ISO 9001 Compliant: Manufactured in a certified facility with traceable quality records.
- Customizable Dimensions: Diameter from 25mm to 600mm, length up to 6000mm, slot size from 0.1mm to 10mm.
- Versatile End Connections: Flanged, threaded, welded, or plain ends – available upon request.
- Wide Application: Water well screens, intake filters, industrial strainers, oil & gas separators, chemical reactors, and more.
| Parameter | Specification |
|---|---|
| Material | 304 Stainless Steel (also available in 316L, 904L, etc.) |
| Slot Opening | 1.5mm (0.059 inch) |
| Outer Diameter | 150mm (6 inch) |
| Wire Profile | V-shaped (wedge wire) |
| Support Rods | Round or flat bars, welded at each intersection |
| Open Area | Approx. 30%-50% (depends on slot/wire ratio) |
| Max Working Pressure | Up to 10 bar (customizable) |
| Surface Finish | Pickled, passivated, or mirror polished – optional |
| Connection Type | Flanged, threaded, male/female, or plain – customizable |
Advantages for Your Business
- Reduced Downtime: The self-cleaning wedge wire design minimizes clogging, extending service intervals and reducing maintenance costs.
- Higher Efficiency: Large open area compared to perforated screens ensures maximum flow rate with minimal pressure drop.
- Longer Lifespan: 304 stainless steel resists corrosion and abrasion, even in harsh environments. Our screens are built to last for years.
- Custom Fit: We offer end-to-end customization – slot size, diameter, length, end connections, and even special alloys – so you get exactly what you need.
- Quality Assurance: Every screen undergoes rigorous inspection: slot uniformity test, dimensional check, and pressure test. ISO 9001 certified factory.
- Global Shipping: We ship from major Chinese ports (Tianjin, Qingdao, Shanghai, etc.) with reliable logistics partners. Lead time: 15-25 working days for standard orders.
Since 1998, our factory has been dedicated to manufacturing high-quality wire mesh and filtration products. With an annual export value exceeding US$5 million and a presence in over 30 countries, we have earned the trust of clients in North America, South America, Europe, Africa, Oceania, and Asia. Our experienced team provides technical support, from design consultation to after-sales service. We are committed to delivering products that meet your exact filtration requirements.
Ready to order or need a quote? Contact us today with your specific requirements (diameter, slot size, length, connection type). We will provide a competitive price and a tailored solution. Choose Anping Boli for reliable, durable, and custom wedge wire screens that perform.
Frequently Asked Questions
Q1: What is the difference between a wedge wire screen and a Johnson screen?
A: A Johnson screen is a specific type of wedge wire screen named after the original inventor. It features a continuous V-shaped wire wound on support rods, forming a strong, self-cleaning filter. Our product is a Johnson-type wedge wire screen, built to the same design principles.
Q2: Can you provide screens with slot sizes other than 1.5mm?
A: Yes, we offer custom slot sizes from 0.1mm to 10mm. Please specify your required slot opening when ordering.
Q3: Is this filter suitable for drinking water applications?
A: 304 stainless steel is food-grade and safe for potable water. However, if you need additional certifications (e.g., NSF/ANSI 61), please contact us to discuss options.
Q4: What kind of end connections are available?
A: Common options include flanged (ANSI, DIN, JIS), threaded (NPT, BSP), welded spigot, or plain ends. We can customize to your drawing.
Q5: How do I clean a wedge wire screen?
A: The V-shaped profile allows backwashing or chemical cleaning. Many clients use high-pressure water or air to flush out trapped particles. The screen is designed to be easily cleaned without disassembly.
Q6: What is the minimum order quantity (MOQ)?
A: For standard sizes, MOQ is 10 pieces. For custom dimensions, MOQ is negotiable. We welcome small trial orders.
Q7: Do you provide samples?
A: Yes, we can provide a sample screen (e.g., 150mm diameter, 200mm length) for testing. Please cover shipping costs, and we will deduct the sample fee from your first bulk order.
Q8: How long does shipping take?
A: For standard production, lead time is 15-25 working days. Express shipping (DHL, FedEx, UPS) takes 5-7 days; sea freight takes 20-40 days depending on destination.
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