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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a professional manufacturer of filtration products with an annual export value of US$5 million to US$10 million. We proudly present our Stainless Steel Wedge Filter Johnson Filter 304 Material with Mill Test Report, a high-performance solution for precise liquid and solid separation. This product combines the durability of 304 stainless steel with the advanced wedge wire design, ensuring consistent filtration efficiency and long service life. Each filter is supplied with a genuine Mill Test Report, guaranteeing material traceability and quality assurance for demanding industrial applications.
Our wedge filter is manufactured using precision winding technology, creating a continuous V-shaped slot that prevents clogging and allows easy backwashing. The robust support rods and welded construction ensure structural integrity under high pressure and temperature conditions. Available in a wide range of slot sizes, diameters, and lengths, this filter can be customized to meet specific process requirements. Whether used in water treatment, oil & gas, chemical processing, or food & beverage, our Johnson filter delivers reliable performance and cost-effective operation.
Key Features
- Premium 304 Stainless Steel: Excellent corrosion resistance, suitable for aggressive media and harsh environments.
- Wedge Wire Design: V-shaped slot profile minimizes particle entrapment and facilitates self-cleaning during backwash.
- High Mechanical Strength: Welded wire and support rods withstand high differential pressure and mechanical stress.
- Precise Slot Opening: Slot tolerance within ±0.05mm ensures accurate filtration and consistent product quality.
- Mill Test Report Included: Full chemical composition and mechanical property certification for material traceability.
- Customizable Dimensions: Diameter from 25mm to 500mm, length up to 6000mm, and various connection types available.
- Easy Maintenance: Smooth surface finish reduces fouling and simplifies cleaning procedures.
Technical Specifications
| Parameter | Value |
| Material | 304 Stainless Steel (Sus304) |
| Slot Size | 0.1 mm – 3.0 mm (customizable) |
| Diameter | 25 mm – 500 mm (customizable) |
| Length | 100 mm – 6000 mm (customizable) |
| Wire Profile | V-shaped wedge wire |
| Support Rods | Round or flat bar, welded |
| Connection Type | Flange, Thread, Coupling (optional) |
| Surface Finish | Pickled, Polished, or Galvanized (optional) |
| Operating Temperature | -20°C to 400°C (depending on application) |
| Mill Test Report | Provided with each order |
Applications
- Water & wastewater treatment (filtration, screening, dewatering)
- Oil & gas industry (well screens, sand control, refining)
- Chemical processing (catalyst recovery, product separation)
- Food & beverage (juice filtration, starch processing, beer brewing)
- Pharmaceutical and biotechnology (sterile filtration, chromatography)
- Mining and mineral processing (ore dewatering, tailings management)
- Power generation (cooling water intake, condensate polishing)
- Pulp & paper (white water filtration, fiber recovery)
The unique wedge wire structure provides a larger open area compared to conventional wire mesh, resulting in higher flow rates and reduced pressure drop. The continuously welded construction eliminates weak points, ensuring the filter remains intact under cyclic loading and vibration. Our filters are designed for easy installation in existing systems, with compatible flanges or threaded connections available upon request.
Quality control is a priority at Anping County Boli Hardware Wiremesh Products Factory. Each filter undergoes rigorous inspection including dimensional checks, slot width verification, and pressure testing. The accompanying Mill Test Report certifies the chemical composition (C, Si, Mn, P, S, Cr, Ni) and mechanical properties (tensile strength, yield strength, elongation) of the 304 stainless steel used, giving you full confidence in the material integrity.
Why Choose Us?
- Established in 1998: Over 25 years of experience in wire mesh and filtration manufacturing.
- Global Export Reach: Shipping to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East.
- Annual Export Value: US$5 Million – US$10 Million, reflecting consistent international demand.
- Flexible Ports: Shipment available from Tianjin, Qingdao, Shanghai, Foshan – convenient logistics worldwide.
- Customization Expertise: We tailor slot size, diameter, length, and connection to your exact specifications.
- Mill Test Report Guarantee: Full material traceability for quality assurance and regulatory compliance.
- Competitive Pricing: Direct factory pricing with no middleman, maximizing your value.
We invite you to contact us for a quotation or technical consultation. Our team is ready to discuss your application requirements and provide the optimal wedge filter solution. With a proven track record in global markets and a commitment to quality, Anping County Boli Hardware Wiremesh Products Factory is your reliable partner for stainless steel filtration products.
Frequently Asked Questions
Q1: What is the difference between a wedge filter and a standard wire mesh filter?
A: A wedge filter uses V-shaped profile wires wound around support rods, creating precise slot openings that are self-cleaning and resistant to clogging. Standard wire mesh has round wires and may trap particles more easily. Wedge filters offer higher strength, larger open area, and better backwash performance.
Q2: Is the Mill Test Report included with every order?
A: Yes, each filter comes with a Mill Test Report (MTR) specifying the chemical composition and mechanical properties of the 304 stainless steel material used. This ensures full traceability and compliance with industry standards.
Q3: Can the slot size be customized for specific filtration needs?
A: Absolutely. Our wedge filters are available with slot sizes from 0.1mm to 3.0mm, and we can manufacture non-standard sizes upon request. Please provide your desired micron rating or particle cut-off.
Q4: What are the typical connection options for these filters?
A: We offer flanged ends (ANSI, DIN, JIS), threaded ends (NPT, BSP), and coupling connections. Custom end connections can also be fabricated to match your existing piping system.
Q5: How long is the lead time for custom orders?
A: For standard sizes, lead time is typically 15–20 working days. Custom dimensions and special finishes may require 25–30 working days. Please contact us for an accurate delivery schedule.
Q6: What industries commonly use this type of filter?
A: Applications include water treatment, oil & gas, chemical processing, food & beverage, pharmaceuticals, mining, power generation, and pulp & paper. The 304 stainless steel material is suitable for corrosive and high-temperature environments.
Q7: Is the filter easy to clean and maintain?
A: Yes, the V-shaped slot design allows particles to be easily flushed out during backwashing. The smooth surface finish reduces buildup, and the all-welded construction ensures no loose parts. Regular inspection and backwashing will extend the filter life significantly.
Q8: Do you provide samples for testing?
A: Yes, we can provide small samples (e.g., 100mm length) for evaluation. Please contact us with your requirements, and we will arrange shipment with a sample fee refundable upon bulk order.
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