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Help Center316L Stainless Steel Johnson Wedge Filter 0.25mm Slot 1500mm OD 1.6MPa Pressure Rating
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As a professional manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory specializes in the production of high-quality filtration solutions. Our 316L Stainless Steel Johnson Wedge Filter with 0.25mm slot and 1500mm OD represents the pinnacle of precision engineering, designed to meet the rigorous demands of industrial filtration. With an annual export value exceeding US$5 million and a global reach spanning North America, South America, Europe, Asia, and beyond, we bring decades of expertise to every product we deliver.
This wedge filter is crafted from premium 316L stainless steel, offering superior corrosion resistance in aggressive environments such as seawater, chemical processing, and high-temperature applications. The 0.25mm slot width ensures fine particle retention while maintaining high flow rates, thanks to the unique V-shaped wire profile that minimizes clogging. The large 1500mm outer diameter allows for high-volume filtration, ideal for municipal water treatment, oil & gas, and mining operations. With a 1.6MPa pressure rating, this filter performs reliably under elevated pressure conditions, ensuring long service life and reduced maintenance costs.
Key Features & Benefits
- Precision Slot Width (0.25mm): Achieves exact filtration efficiency, capturing particles down to 0.25mm without sacrificing throughput.
- 316L Stainless Steel Construction: Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, even in chloride-rich environments.
- Large Diameter (1500mm OD): Handles high flow rates, reducing the number of filter elements needed and lowering system footprint.
- High Pressure Rating (1.6MPa): Suitable for pressurized systems, ensuring structural integrity under demanding operating conditions.
- Non-Clogging V-Shaped Wire: The continuous slot design allows solids to slide off, preventing blinding and reducing backwash frequency.
- Customizable End Connections: Available with flanged, threaded, or welded ends to fit existing piping configurations.
- Optional Surface Treatments: Pickling, passivation, or electropolishing can be applied to enhance corrosion resistance and surface finish.
Technical Specifications
| Parameter | Value |
|---|---|
| Material | 316L Stainless Steel |
| Slot Width | 0.25 mm (±0.02mm) |
| Outer Diameter | 1500 mm (customizable) |
| Pressure Rating | 1.6 MPa (16 bar) |
| Length | Customizable (up to 6m per piece) |
| Connection Type | Flanged, welded, or threaded |
| Operating Temperature | Up to 400°C (depending on application) |
Our manufacturing process adheres to strict quality control standards, ensuring each filter meets the specified tolerances and performance requirements. The Johnson wedge design provides a higher open area ratio compared to conventional wire mesh, resulting in lower pressure drop and energy savings.
Why Choose Anping Boli?
With over 27 years of experience in wire mesh and filter manufacturing, we have established a reputation for reliability and innovation. Our factory is located in Hengshui, Hebei, the wire mesh capital of China, giving us access to premium raw materials and skilled labor. We export US$5-10 million annually to customers worldwide, including demanding markets in Europe, North America, and the Middle East. Each filter is individually inspected before shipment, and we offer customizable slot widths, dimensions, and end connections to meet your exact specifications. We invite you to contact us for a quote or technical consultation – our team is ready to provide tailored solutions for your filtration needs.
Frequently Asked Questions
Q1: What is the difference between a Johnson wedge filter and a wire mesh filter?
A: Johnson wedge filters use continuous V-shaped wire wound around support rods, creating a robust, self-cleaning structure with a precise slot opening. They offer higher strength, better flow characteristics, and less clogging compared to woven wire mesh filters.
Q2: Can the slot width be customized to other sizes?
A: Yes, we offer slot widths ranging from 0.02mm to 10mm. The 0.25mm slot is a popular choice for fine filtration, but we can produce any size upon request.
Q3: Is this filter suitable for high-temperature applications?
A: 316L stainless steel can handle temperatures up to 400°C (752°F) in oxidizing environments. For higher temperatures, we can recommend alternative materials such as 310S or Inconel.
Q4: What is the maximum length available for a 1500mm OD filter?
A: Standard lengths are up to 6 meters per piece, depending on the diameter and slot width. Longer sections can be achieved by welding multiple sections together.
Q5: How do you ensure the pressure rating of 1.6MPa?
A: We use high-strength support rods and precise welding techniques. Each filter is hydrostatically tested at 1.5 times the rated pressure to verify integrity.
Q6: What kind of end connections are available?
A: We offer flanged (ANSI, DIN, JIS), threaded (NPT, BSP), and welded ends. Custom connections are also possible.
Q7: Do you provide certifications for material traceability?
A: Yes, we can provide material test certificates (MTC) for 316L stainless steel upon request, including chemical composition and mechanical properties.
Q8: What is the lead time for this product?
A: Lead time typically ranges from 15 to 30 working days, depending on the quantity and customization requirements. We can expedite for urgent orders.
Contact us today to discuss your specific filtration requirements. Our experienced engineers will help you select the optimal design for your application.
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