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Help CenterStainless Steel Wedge Wire Johnson Filter, 0.3mm Slot, 304 Grade, Standard Compliant, Fast Delivery
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – a trusted manufacturer with over 25 years of experience (since 1998) in producing high-quality filtration solutions. Our Stainless Steel Wedge Wire Johnson Filter with a precision 0.3mm slot and 304 grade material is engineered to deliver consistent performance in demanding industrial applications. Designed for easy cleaning, high flow capacity, and long service life, this filter is a cost-effective choice for liquid-solid separation, water intake, and process filtration.
Each filter is manufactured using advanced V-wire winding technology, ensuring a precise slot opening that minimizes clogging and maximizes flow. The 304 stainless steel construction provides excellent corrosion resistance for a wide range of fluids, including water, chemicals, and food products. Our strict quality control ensures that every filter meets the required dimensional tolerances and slot uniformity, making it suitable for both new installations and replacement of existing systems.
We offer fast delivery from our factory in Hengshui, Hebei, China, with convenient shipping options from Tianjin, Qingdao, Shanghai, and Foshan ports. Whether you need a standard filter or a custom design, our team is ready to support your project with competitive pricing and reliable lead times.
Key Features & Technical Specifications
- Material: Premium 304 stainless steel (304L also available on request)
- Slot Size: 0.3 mm (other sizes from 0.1 mm to 6 mm customizable)
- Wire Profile: V-shaped wedge wire for self-cleaning effect
- High Open Area: Up to 60% open area for low pressure drop
- Continuous Slot Design: No welding points inside the slot, preventing blockage
- Strong Structure: Welded support rods provide mechanical strength
- Corrosion Resistance: Suitable for fresh water, seawater, acids, and alkalis
- Easy Maintenance: Backwashable and cleanable
- Customizable Dimensions: Diameter from 25 mm to 1000 mm, length up to 6000 mm
- End Connections: Flange, threaded, or plain end as per your requirement
| Parameter | Specification |
|---|---|
| Material Grade | 304 Stainless Steel |
| Slot Opening | 0.3 mm ± 0.02 mm |
| Wire Width | 2.2 mm (top) / 4.2 mm (base) |
| Support Rod Pitch | 25 mm (standard) |
| Maximum Working Pressure | 10 bar (customizable up to 25 bar) |
| Operating Temperature | -20°C to 120°C (higher with 304L) |
| Surface Finish | Pickled and passivated / 320 grit polished |
Advantages & Benefits for Your Application
- Accurate Filtration: The 0.3 mm slot ensures precise particle retention, protecting downstream equipment.
- Reduced Downtime: Self-cleaning wedge wire design allows easy backwashing, minimizing maintenance.
- High Flow Efficiency: Greater open area compared to mesh or perforated plate filters, lowering energy costs.
- Durability: 304 stainless steel resists rust and chemical attack, extending service life in harsh environments.
- Versatile Use: Ideal for water intake screens, well screens, sand control, chemical filtration, and food processing.
- Compliance with Standards: Our manufacturing process follows industry norms, ensuring consistent quality and dimensional accuracy.
- Fast Lead Time: As a manufacturer with large production capacity, we can deliver standard sizes within 7–15 days.
Our Stainless Steel Wedge Wire Johnson Filter has been exported to over 20 countries including North America, South America, Europe, and Southeast Asia. With an annual export value of US$5–10 million, we have built a strong reputation for reliability and quality. Our factory is located in Hengshui, Hebei – the wire mesh capital of China – giving us access to raw materials and skilled labor.
We understand that every filtration project is unique. That's why we offer free consultation and customization services – from slot size and diameter to end connections and packaging. Contact us today to discuss your requirements and receive a competitive quote. With our fast delivery from Tianjin, Qingdao, Shanghai, or Foshan ports, you can count on us to meet your project deadlines.
Frequently Asked Questions
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Q: What is the difference between a wedge wire filter and a mesh filter?
A: Wedge wire filters use a continuous V-shaped wire wrapped around support rods, providing a smooth surface and self-cleaning ability. Mesh filters are woven and can clog more easily. Wedge wire offers higher strength and longer service life in heavy-duty applications. -
Q: Can I get a 0.3 mm slot filter in other materials like 316 stainless steel?
A: Yes, we can produce wedge wire filters in 304, 304L, 316, 316L, and even duplex stainless steel. Please specify your material preference when ordering. -
Q: What is the typical lead time for a standard 0.3 mm Johnson filter?
A: For standard sizes (diameter 50–300 mm, length 1000 mm), lead time is usually 7–10 working days. Custom sizes may take 15–20 days. We always confirm before production. -
Q: How do I clean a wedge wire filter?
A: The filter can be cleaned by backwashing with water or air, or by chemical cleaning if required. The V-wire profile prevents particles from lodging inside the slot. -
Q: Do you provide certificates of material or quality?
A: Yes, we can provide material test reports (MTR) and dimensional inspection reports upon request. Our products are manufactured under strict quality control. -
Q: What is the maximum length I can order?
A: We can produce filters up to 6000 mm in one piece. For longer lengths, we can supply with flanges for site assembly. -
Q: Do you offer free samples for testing?
A: We can provide small samples (e.g., 100 mm long) for evaluation. Please contact us to discuss sample availability and shipping costs. -
Q: How is the filter packaged for export?
A: Each filter is individually wrapped with protective foam, then packed in wooden crates or cartons suitable for sea freight. Special packaging can be arranged for fragile or large items.
Trust Anping County Boli Hardware Wiremesh Products Factory – your reliable partner for industrial filtration solutions. With decades of experience, a dedicated team, and a proven export record, we deliver quality products that perform. Place your order or request a quote today!
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