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Help CenterJohnson Filter Stainless Steel Wedge Screen, 0.3mm Slot, 2m Length, 25mm Pipe Thread, Mill Test Report
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – a trusted manufacturer since 1998, specializing in high-quality filtration solutions. Our Johnson Filter Stainless Steel Wedge Screen is engineered for precision and durability, featuring a 0.3mm slot opening and a 2-meter length with a 25mm pipe thread connection. This product is ideal for industries requiring reliable liquid or gas filtration, and it comes with a Mill Test Report to guarantee material integrity. With over two decades of experience and export to markets worldwide, we deliver consistent quality and performance.
The wedge wire design provides a robust, self-cleaning structure that ensures high flow rates and minimal clogging. Manufactured from premium stainless steel, this screen resists corrosion and wear, making it suitable for demanding environments such as water treatment, oil & gas, chemical processing, and food & beverage. Each unit is precision-wound and tested to meet strict specifications, ensuring long service life and low maintenance.
Key Features & Benefits
- Precision Slot Width: 0.3mm (±0.02mm tolerance) ensures accurate particle separation and consistent filtration efficiency.
- Strong Construction: Continuous wedge wire wound on support rods provides high mechanical strength and resistance to deformation under pressure.
- Easy Installation: 25mm pipe thread (NPT or BSP optional) allows quick connection to standard piping systems, reducing downtime.
- Corrosion Resistance: Made from 304 or 316L stainless steel (optional) – ideal for acidic, alkaline, or high-temperature fluids.
- Self-Cleaning Design: V-shaped profile prevents particle blinding, enabling backwash cleaning and extending operational cycles.
- Mill Test Report Included: Provides chemical composition and mechanical property verification for quality assurance and traceability.
Technical Specifications
| Parameter | Value |
| Material | Stainless Steel (304/316L available) |
| Slot Width | 0.3 mm |
| Overall Length | 2,000 mm (custom lengths available) |
| Connection | 25 mm Male Pipe Thread (NPT or BSP) |
| Wire Profile | V-shaped wedge wire |
| Support Rod Spacing | Customizable (standard 25 mm) |
| Max Operating Temperature | Up to 400°C (depending on material grade) |
| Mill Test Report | Included with every order |
Why choose our Johnson Filter Wedge Screens? The unique wedge wire design provides a smooth inner surface, reducing friction loss and enabling efficient backwashing. The 0.3mm slot is ideal for fine filtration tasks such as sand control in water wells, removing suspended solids from industrial wastewater, or straining particles in chemical processes. The 2-meter length offers a large filtration area while the 25mm thread allows direct connection to pumps or pipes, simplifying system integration.
Quality Assurance: Each screen undergoes rigorous inspection including slot uniformity check, hydrostatic pressure test, and thread gauge verification. Our factory is equipped with advanced CNC winding machines and automated welding stations to ensure consistent quality. The Mill Test Report provides full traceability of the stainless steel material, giving you confidence in the product's performance.
Trusted Manufacturing Partner
Anping County Boli Hardware Wiremesh Products Factory has been a leading manufacturer since 1998. With an annual export value of US$5-10 million, we serve customers across North America, South America, Europe, Asia, Africa, and Oceania. Our products are shipped from major ports including Tianjin, Qingdao, Shanghai, and Foshan. We offer customization options such as different slot sizes, lengths, thread types, and stainless steel grades to meet your specific requirements. Our engineering team is ready to assist with technical drawings and sample requests.
Contact us today to discuss your filtration needs. Whether you require a standard 0.3mm slot screen or a custom design, we provide competitive pricing, fast delivery, and reliable after-sales support. With Mill Test Reports included, you can trust that every screen meets the highest industrial standards.
Frequently Asked Questions
Q: What is the maximum pressure rating for this wedge screen?
A: The pressure rating depends on the wall thickness and support rod design. For a standard 0.3mm slot screen with 2m length, it can typically withstand up to 10 bar (150 psi) under normal operating conditions. For higher pressure applications, we can reinforce the screen with additional support rods upon request.
Q: Can I get a different slot size or length?
A: Yes, we offer customization. Slot sizes from 0.1mm to 5mm and lengths up to 6m are available. Please contact our sales team with your requirements.
Q: Is the 25mm thread NPT or BSP?
A: By default, we supply NPT (National Pipe Thread) as standard. BSP (British Standard Pipe) is available as an option. Please specify your preference when ordering.
Q: What types of stainless steel are used?
A: We use 304 stainless steel for general applications. For higher corrosion resistance in aggressive environments, 316L is also available. The Mill Test Report will indicate the exact grade used.
Q: How is the screen packaged for export?
A: Each screen is individually wrapped with protective material, then packed in wooden crates or cartons to prevent damage during transit. We also provide custom packaging per customer request.
Q: Can I get a sample before placing a bulk order?
A: Yes, we accept sample orders. Samples are available at a reasonable cost, and we can produce them with your required specifications. The sample fee is refundable for large orders.
Q: Do you provide installation instructions?
A: Yes, we include a simple installation guide with each shipment. Additionally, our technical team can offer online support if needed.
Q: What is the typical lead time?
A: For standard screens (0.3mm slot, 2m length, 25mm thread), lead time is 7-15 working days depending on quantity. Custom orders may take 15-25 working days. We offer express delivery for urgent requests.
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