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Help CenterJohnson Wedge Filter for Petrochemical Filtration, 316L Stainless Steel, 0.2mm Slot, High Corrosion Resistance
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As a leading manufacturer from Anping County Boli Hardware Wiremesh Products Factory (established in 1998), we are proud to present our Johnson Wedge Filter for Petrochemical Filtration, crafted from premium 316L stainless steel with a precise 0.2mm slot opening. This product is engineered to deliver exceptional high corrosion resistance and long service life in aggressive petrochemical environments. With over two decades of expertise in wire mesh and filtration solutions, we combine advanced manufacturing techniques with strict quality control to ensure each filter meets the rigorous demands of the industry.
Our wedge wire filters are designed using a unique V-shaped profile wire that is continuously wound and welded onto support rods. This construction creates a strong, self-supporting structure with precise slot openings, allowing for efficient filtration of solids from liquids or gases. The 0.2mm slot width ensures fine particle retention while maintaining high flow rates, making it ideal for catalyst recovery, process water filtration, and other petrochemical applications.
Key Features & Technical Specifications
- Material: 316L Stainless Steel – excellent resistance to chlorides, acids, and high-temperature corrosion.
- Slot Width: 0.2mm (±0.02mm) – provides precise filtration of particles down to 200 microns.
- Structure: Continuous V-shaped wedge wire wound on longitudinal rods – prevents clogging and is easy to clean.
- High Mechanical Strength: Withstands high pressure differentials and mechanical stress.
- Corrosion Resistance: Suitable for sour gas, crude oil, and chemical media.
- Customizable: Available in various diameters, lengths, flanges, and end connections (thread, flange, or custom).
- Long Service Life: Robust construction reduces replacement frequency and maintenance costs.
| Parameter | Value |
|---|---|
| Material | 316L Stainless Steel |
| Slot Width | 0.2 mm |
| Open Area | Typically 15–30% (depends on design) |
| Max Operating Temperature | Up to 450°C (842°F) |
| Max Pressure Rating | Up to 350 bar (customizable) |
| Filtration Grade | 200 microns |
| Connection Types | Flange, Thread, or Custom |
Why Choose Our Johnson Wedge Filter?
The unique V-shaped wedge wire design offers a self-cleaning advantage: during backwashing, particles are easily released from the slot, reducing downtime and maintenance. Compared to woven wire mesh or perforated plate filters, the wedge wire structure provides higher mechanical strength and a larger open area, resulting in lower pressure drop and higher flow capacity. This makes it particularly suitable for petrochemical processes where continuous operation and reliability are critical.
Our filters are manufactured using advanced automatic welding machines, ensuring consistent slot width and uniform welding strength. Each filter undergoes rigorous inspection, including dimensional checks, slot tolerance measurement, and pressure testing. We can also provide material certificates (e.g., mill test reports) upon request to meet your quality assurance requirements.
Frequently Asked Questions (FAQ)
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Q: What is the maximum particle size that can be retained by a 0.2mm slot filter?
A: The 0.2mm slot width (200 microns) effectively retains particles larger than 200 microns. However, due to the wedge shape, some particles slightly smaller than the slot may also be trapped if they are irregularly shaped. -
Q: Can this filter be used in high-temperature petrochemical applications?
A: Yes, 316L stainless steel can withstand temperatures up to about 450°C (842°F) in continuous service. For higher temperatures, we can recommend other materials (e.g., Hastelloy) upon request. -
Q: How do I clean the filter when it becomes clogged?
A: The wedge wire design allows for effective backwashing. You can also use chemical cleaning or ultrasonic cleaning methods. The smooth surface of the V-shaped wire reduces particle adhesion. -
Q: Is the slot width accurate? What tolerance do you guarantee?
A: We manufacture with a tolerance of ±0.02mm for the 0.2mm slot width. Each filter is inspected using slot gauges to ensure consistency. -
Q: Can you provide custom sizes or end connections?
A: Absolutely. We offer custom diameters (from 25mm to 600mm), lengths (up to 6m), and flanges or threads according to your specifications. Please provide your drawing or requirements. -
Q: What is the typical lead time for a custom order?
A: For standard sizes, we can ship within 15–20 working days. Custom orders typically require 25–35 working days, depending on complexity and quantity. -
Q: How does this filter compare to a wedge wire screen made from 304 stainless steel?
A: 316L offers superior corrosion resistance, especially in chloride-containing environments (e.g., seawater, sour crude). It is more expensive but provides longer service life in harsh petrochemical conditions. -
Q: Do you provide samples for testing?
A: Yes, we can provide small samples (e.g., 100mm length) for evaluation. Please contact our sales team for sample availability and shipping details.
About Our Factory & Trusted Partnership
Anping County Boli Hardware Wiremesh Products Factory has been a reliable manufacturer since 1998 – over 25 years of experience in wire mesh and filtration products. Our annual export value of US$5 Million - US$10 Million reflects our strong presence in global markets, including North America, South America, Eastern Europe, Southeast Asia, Africa, and many more. We ship from major ports: Tianjin, Qingdao, Shanghai, Foshan, ensuring efficient logistics to customers worldwide.
We are committed to providing high-quality products at competitive prices. Our factory employs skilled workers, advanced CNC welding machines, and strict quality control procedures. We have served numerous petrochemical companies, water treatment plants, and mining operations, earning their trust through consistent performance and on-time delivery.
Contact us today to discuss your specific filtration requirements. Our team will help you select the right Johnson wedge filter configuration – whether for new installations or replacement of existing screens. Benefit from our decades of expertise and dedication to customer satisfaction.
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