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Help Center304 Stainless Steel Wedge Wire Johnson Filter 0.5mm Slot Width 100μm Precision for Water Filtration
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As a professional manufacturer established in 1998, Anping County Boli Hardware Wiremesh Products Factory is proud to introduce our 304 Stainless Steel Wedge Wire Johnson Filter with a precise slot width of 0.5mm and filtration accuracy of 100μm. This robust filter element is engineered specifically for demanding water filtration applications, offering superior durability and consistent performance. Our factory combines decades of wire mesh expertise with advanced manufacturing techniques to deliver a product that meets the highest standards of precision and reliability.
The wedge wire design provides a unique V-shaped profile that minimizes clogging and facilitates easy backwashing, ensuring long service life even in challenging environments. Whether you are filtering groundwater, industrial process water, or wastewater, this Johnson filter delivers outstanding solid-liquid separation with minimal pressure drop. Available in various diameters and lengths, it can be customized to fit your existing filtration systems.
Key Features & Benefits
- High Precision Filtration: 100μm slot opening ensures effective removal of fine particles, sand, silt, and other contaminants.
- Wedge Wire Construction: V-shaped wire creates a self-cleaning slot that prevents particle entrapment and reduces maintenance.
- 304 Stainless Steel Material: Excellent corrosion resistance, suitable for fresh water, brackish water, and mild chemical environments.
- High Mechanical Strength: Continuous wire winding with welded support rods provides robust structure capable of withstanding high operating pressures.
- Easy Backwashing: Smooth surface and wedge profile allow efficient reverse flow cleaning, extending filter life.
- Customizable Dimensions: Diameter from 50mm to 500mm, length up to 6000mm, and various connection types (threaded, flanged, or welded).
- Low Pressure Drop: Open area ratio up to 10-15% ensures high flow rates with minimal energy loss.
- Compliance with Industry Standards: Manufactured under strict quality control, meeting filtration requirements for water treatment plants, irrigation systems, and industrial processes.
Technical Specifications
| Parameter | Value |
| Material | 304 Stainless Steel |
| Slot Width | 0.5 mm |
| Filtration Accuracy | 100 μm |
| Operating Pressure | Up to 10 bar (customizable) |
| Working Temperature | -20°C to 100°C |
| Open Area Ratio | 10% – 15% (depending on slot/support rod spacing) |
| Available Diameter | 50 mm – 500 mm |
| Available Length | 500 mm – 6000 mm |
| Connection Type | Threaded, Flanged, or Welded (custom) |
Our 304 Stainless Steel Wedge Wire Johnson Filter is widely used in water treatment plants, agricultural irrigation, desalination pre-filtration, industrial cooling water systems, and oilfield water injection. The 0.5mm slot width balances fine filtration with high flow capacity, making it an ideal choice for removing sand, scale, and organic particles from water sources.
Why Choose Boli’s Johnson Filter?
With over 20 years of manufacturing experience, Anping County Boli Hardware Wiremesh Products Factory has become a trusted supplier in the global filtration market. Our annual export value exceeds US$5 million, serving markets across North America, South America, Europe, Africa, Oceania, and Asia. We source high-quality 304 stainless steel wire and control every step of production — from wire drawing to welding, slot precision calibration, and final inspection. Each filter is tested for dimensional accuracy and pressure integrity before shipment.
We understand that different applications require specific dimensions and connection interfaces. That’s why we offer full customization — you can specify the exact diameter, length, slot width, and end fittings. Our engineers work closely with clients to ensure the filter perfectly integrates into your existing system. We also provide technical support for installation and maintenance.
By choosing our 304 Stainless Steel Wedge Wire Johnson Filter, you benefit from a product that combines cost-effectiveness with long-lasting performance. The robust wedge wire structure reduces the need for frequent replacements, lowering your total cost of ownership. Whether you need a single filter or a bulk order for a large-scale project, we are ready to deliver with competitive pricing and timely shipping from ports in Tianjin, Qingdao, Shanghai, and Foshan.
Frequently Asked Questions
- Q: What is the difference between a wedge wire filter and a wire mesh filter?
- A: Wedge wire filters have a continuous V-shaped wire profile that prevents clogging and allows easy backwashing. Wire mesh filters are woven and can trap particles more irregularly, but they are more prone to blinding. Wedge wire is preferred for high-flow, self-cleaning applications.
- Q: Can this filter be used for seawater filtration?
- A: Yes, 304 stainless steel offers good corrosion resistance in seawater for moderate conditions. For more aggressive saline environments, we recommend 316 stainless steel, which is available upon request.
- Q: How do I determine the correct slot width for my application?
- A: The slot width should be slightly smaller than the smallest particle you want to remove. For water filtration, 0.5mm (500 micron) is suitable for coarse sand and silt removal. If you need finer filtration, we can provide custom slot widths from 0.1mm to 5mm.
- Q: What is the maximum operating pressure?
- A: Standard design handles up to 10 bar (145 psi). For higher pressure demands, we can reinforce the support rods and use thicker wire, achieving up to 20 bar or more. Please consult our sales team with your specific requirements.
- Q: How do I clean the filter?
- A: The wedge wire design allows for efficient backwashing with water or air. Periodic reverse flow cleaning removes trapped particles from the slot surface. For heavy fouling, chemical cleaning or high-pressure water jet can be used.
- Q: Are the filters delivered with end caps and connections?
- A: Yes, we can weld threaded, flanged, or plain end connections as per your drawing. Standard pipe threads (BSP, NPT) and flanges (ANSI, DIN, JIS) are available. Please specify when ordering.
- Q: What is the typical lead time for custom filters?
- A: For standard sizes, lead time is 7-10 working days. Custom orders typically take 15-20 days, depending on complexity and quantity. We offer rush shipping for urgent projects.
- Q: Do you provide samples for testing?
- A: Yes, we offer sample filters (small size) at cost. Once you confirm the design, we can proceed with mass production. Contact our sales representative to discuss sample requirements.
Contact us today to discuss your water filtration needs. As a manufacturer with over 25 years of experience, annual export value of US$5-10 million, and a global customer base, Anping County Boli Hardware Wiremesh Products Factory is your reliable partner for high-quality wedge wire filters. We look forward to providing you with the perfect filtration solution.
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