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As a trusted manufacturer established in 1998, Anping County Boli Hardware Wiremesh Products Factory brings over two decades of expertise to the production of high-quality Stainless Steel Wedge Filter Johnson Filter. Our factory, located in Hengshui, Hebei, China, has an annual export value of US$5 Million – US$10 Million, serving clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Each filter is engineered to deliver superior filtration performance, backed by a 1-year warranty and a complete Mill Test Report for full material traceability. Whether you need a standard or custom solution, our products are designed to meet the rigorous demands of industrial filtration.
Our Stainless Steel Wedge Filter (also known as Johnson Filter) is a type of wedge wire screen that offers exceptional strength, high open area, and precise slot accuracy. The V-shaped wire profile allows for efficient backwashing and self-cleaning, making it ideal for applications where consistent flow and minimal clogging are critical. The filter is manufactured from high-grade stainless steel, ensuring excellent corrosion resistance and long service life in harsh environments.
Key Features and Technical Specifications
- Material: Available in SS304, SS316L, SS904L, and duplex stainless steel – all with Mill Test Report included.
- Slot Size: From 0.1mm to 20mm, with a tolerance of ±0.05mm for precise filtration.
- Structural Integrity: Continuous wedge wire construction with reinforcing rods for high pressure resistance.
- Open Area: Up to 60% open area, reducing pressure drop and increasing flow capacity.
- Backwashing Efficiency: V-shaped slot design prevents particle wedging and allows easy cleaning.
- Customization: Outer diameter, length, end connections (flange, thread, plain), and support structures are fully customizable.
- Warranty: 1-year warranty against defects in material and workmanship.
| Parameter | Typical Range | Notes |
|---|---|---|
| Outer Diameter | 20 mm – 1000 mm | Custom sizes available |
| Length | Up to 6000 mm | Can be cut to exact length |
| Wire Diameter | 1.0 mm – 5.0 mm | Depends on slot size and strength |
| Slot Accuracy | ±0.05 mm | Ensures consistent filtration |
| Maximum Operating Temperature | 400°C (SS304) / 600°C (SS316L) | Higher on request |
| End Connection | Flange, Thread, Plain | Customizable per standard |
Advantages for Your Application
- Enhanced Durability: The wedge wire construction resists deformation and wear, even under high differential pressure and abrasive conditions.
- Low Maintenance: Self-cleaning slot design reduces the frequency of manual cleaning and extends service intervals.
- Cost-Effective: High open area means lower energy consumption for pumping, reducing operational costs over time.
- Versatile: Suitable for water treatment, oil & gas filtration, chemical processing, mining dewatering, food & beverage, and more.
- Traceable Quality: Every filter comes with a Mill Test Report certifying the chemical composition and mechanical properties of the stainless steel used.
With over 25 years of manufacturing experience, Anping County Boli Hardware Wiremesh Products Factory has delivered thousands of wedge filters to clients worldwide. Our factory is equipped with advanced CNC welding machines and automated testing equipment, ensuring consistent quality from prototype to mass production. We proudly serve industries ranging from municipal water treatment to offshore oil platforms, with many clients placing repeat orders due to our reliable performance and on-time delivery.
We understand that filtration is critical to your process. That's why we offer full customization support, including 3D design drawings and sample testing before mass production. Our team of engineers can help you select the optimal slot size, wire diameter, and end connection for your specific operating conditions. And with our 1-year warranty, you can purchase with confidence.
Don't settle for less when it comes to filtration. Choose a Stainless Steel Wedge Filter from a manufacturer with a proven track record. Contact us today for a quote or to discuss your project requirements. We ship from multiple ports (Tianjin, Qingdao, Shanghai, Foshan) and can deliver to any destination worldwide.
Frequently Asked Questions
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Q: What is the difference between a wedge filter and a traditional wire mesh filter?
A: Wedge filters use V-shaped wires welded to support rods, creating a continuous slot that is less prone to clogging and offers higher strength. Traditional wire mesh can deform under pressure and is harder to clean. -
Q: Can I get a custom slot size for my specific application?
A: Yes, we offer slot sizes from 0.1mm to 20mm. Custom slot sizes are available upon request, with a tolerance of ±0.05mm. -
Q: What stainless steel grades are available?
A: We commonly use SS304, SS316L, SS904L, and duplex stainless steel. The Mill Test Report included with each filter confirms the exact grade and composition. -
Q: How long does the filter last under normal conditions?
A: With proper maintenance, our stainless steel wedge filters can last for many years. The 1-year warranty covers manufacturing defects, but the actual lifespan depends on the application and operating conditions. -
Q: Do you provide samples before mass production?
A: Yes, we can produce samples for testing. Sample lead time is typically 5-10 working days, and we can adjust the design based on your feedback. -
Q: What kind of end connections do you offer?
A: We offer flanged, threaded, and plain end connections. We can also customize to match your existing piping standards. -
Q: Is the filter easy to clean?
A: Yes, the wedge wire design allows for efficient backwashing. The V-shaped slot prevents particles from getting stuck, making cleaning simple and effective. -
Q: How do I place an order?
A: Contact us with your required specifications (OD, length, slot size, material, end connection, quantity). We will provide a quotation and lead time. Payment terms are negotiable.
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