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Help Center316L Stainless Steel Johnson Wedge Filter, 0.5mm Gap, 100mm Diameter, 1m Length, ISO 9001 Compliant
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As a trusted manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory is proud to offer our premium 316L Stainless Steel Johnson Wedge Filter with a precise 0.5mm gap, 100mm diameter, and 1m length. Designed for demanding filtration applications, this wedge wire screen combines superior corrosion resistance with high mechanical strength to ensure long-lasting performance. Our ISO 9001 compliant production process guarantees consistent quality, making it an ideal choice for industries ranging from water treatment to petrochemical processing.
The Johnson Wedge Filter is engineered with a continuous V-shaped wire profile wound around support rods, creating a robust structure that minimizes clogging and maximizes flow rates. The 0.5mm slot opening provides precise particle retention, while the 316L stainless steel material offers excellent resistance to chlorides, acids, and high temperatures. With an annual export value of US$5-10 million, we serve global markets including North America, Europe, Asia, and beyond, ensuring reliable delivery and professional support.
Key Features & Technical Specifications
| Parameter | Specification |
|---|---|
| Material | 316L Stainless Steel (optional 304, 904L, Duplex) |
| Slot Opening (Gap) | 0.5 mm (customizable from 0.1 mm to 10 mm) |
| Outer Diameter | 100 mm (custom diameters available) |
| Length | 1 m (custom lengths up to 6 m or more) |
| Connection Type | Threaded, flanged, or plain end (customizable) |
| Surface Finish | Pickled, electropolished, or as-welded |
| Support Rods | Round or flat, fully welded to V-wire |
| Compliance | ISO 9001:2015 |
Detailed Advantages
- Non-Clogging Profile: The V-shaped wires create a self-cleaning effect, allowing particles to be easily discharged during backwashing. This reduces maintenance downtime and extends service life.
- High Flow Capacity: With a typical open area of 30-50% (depending on gap), the wedge filter provides excellent flow rates while maintaining precise filtration accuracy.
- Superior Corrosion Resistance: 316L stainless steel contains molybdenum, offering enhanced resistance to pitting and crevice corrosion in chloride-rich environments, such as seawater or chemical processing.
- Mechanical Strength: The continuous spiral wound construction with welded support rods ensures high compressive strength, making it suitable for deep well applications and high-pressure systems.
- Temperature Resistance: 316L stainless steel can withstand temperatures up to 800°C (1472°F) in oxidizing environments, and lower temperatures in reducing atmospheres – consult us for specific conditions.
- Customizable Dimensions: We offer a wide range of diameters, lengths, and even custom slot profiles to meet your exact project requirements. Available in various materials including 304, 316L, 904L, and Duplex stainless steel.
- Easy Installation: The filter can be supplied with threaded ends, flanges, or plain ends for welding, and can be tailored to fit existing housings or pipelines.
Customer Benefits
By choosing our 316L Stainless Steel Johnson Wedge Filter, you gain a reliable filtration solution that reduces operational costs. The long lifespan of the wedge wire construction minimizes replacement frequency, while the excellent backwashing capability ensures consistent performance. Our filters are widely used in water well screens, sand control, oil & gas gravel pack, petrochemical catalyst recovery, food processing (e.g., sugar, starch), and environmental protection systems.
Trust & Credibility
Founded in 1998, Anping County Boli Hardware Wiremesh Products Factory has over two decades of experience in manufacturing wire mesh and filtration products. Our annual export value of US$5-10 million reflects our strong global presence, serving clients in North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. All our products are manufactured under strict ISO 9001 quality management systems, ensuring every filter meets consistent standards. We are located in Hengshui, Hebei, China, with convenient access to major ports including Tianjin, Qingdao, Shanghai, and Foshan. We welcome inquiries for custom sizes, special materials, and OEM projects. Contact us today to discuss your filtration needs – our team is ready to provide technical support and competitive pricing.
Frequently Asked Questions (FAQ)
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What is a Johnson wedge filter and how does it work?
A Johnson wedge filter consists of continuous V-shaped wires wound around support rods, creating a slot opening. It works by allowing fluid to pass through the slots while retaining particles larger than the gap. The V-shape minimizes clogging and facilitates easy backwashing. -
Can I customize the gap size, diameter, and length?
Yes, we offer full customization. The gap can be adjusted from 0.1 mm to 10 mm. Diameters and lengths can be tailored to your specifications. Please provide your requirements for a quote. -
What materials are available besides 316L stainless steel?
We also manufacture filters in 304 stainless steel, 904L, duplex stainless steel, and other alloys upon request. The choice depends on your application's corrosion and temperature requirements. -
How do I clean and maintain the filter?
The wedge filter can be cleaned by backwashing with water or air, or by chemical cleaning. The smooth surface of the V-wire helps release trapped particles easily. For heavy fouling, ultrasonic cleaning or high-pressure washing may be used. -
What industries commonly use this filter?
Typical applications include water well screens, oil & gas sand control, petrochemical catalyst recovery, food and beverage filtration (e.g., sugar, beer), mining, wastewater treatment, and industrial process filtration. -
What is the maximum operating temperature and pressure?
316L stainless steel can withstand temperatures up to 800°C in oxidizing environments, but pressure rating depends on the wall thickness and support structure. For high-pressure applications, we can reinforce the design. Please provide your operating conditions. -
Do you provide certificates of material and quality?
Yes, we can provide mill test certificates for material composition, as well as ISO 9001 compliance documentation. Third-party inspection (e.g., SGS, BV) is available upon request. -
What is the typical lead time and shipping port?
For standard sizes, lead time is about 15-20 working days. Custom orders may take 20-30 days. We ship from Tianjin, Qingdao, Shanghai, or Foshan ports, and can arrange door-to-door delivery if needed.
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