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Help CenterJohnson Wedge Wire Filter, 304SS, 0.3mm Gap, 2" 150LB Flange, 100 Micron
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As a reliable manufacturer established in 1998, Anping County Boli Hardware Wiremesh Products Factory brings over two decades of expertise in producing high-quality filtration solutions. Our Johnson Wedge Wire Filter, 304SS, 0.3mm Gap, 2" 150LB Flange, 100 Micron is engineered for demanding industrial applications where precise filtration and durable performance are non-negotiable. This product combines the strength of 304 stainless steel with advanced wedge wire technology, offering a robust, self-cleaning filter element that minimizes downtime and maximizes efficiency.
The 0.3mm slot opening (300 microns) paired with a 100 micron absolute filtration rating ensures reliable removal of particulate at the required level. The 2-inch 150LB flange connection allows easy integration into existing piping systems, whether for water treatment, chemical processing, or oil and gas filtration. Each unit is precision-welded and passivated to resist corrosion and extend service life, even in harsh environments.
Below are the key technical specifications and parameters that define this product:
| Material | 304 Stainless Steel (SS304) |
| Slot Opening (Gap) | 0.3 mm (300 microns) |
| Filtration Precision | 100 micron (absolute) |
| Connection | 2" ANSI 150LB Flange (RF or FF) |
| Design | Johnson wedge wire (Vee-wire) construction |
| Shape | Cylindrical / custom dimensions available |
| Operating Temperature | Up to 400°C (depending on sealing) |
| Pressure Rating | Compatible with 150LB class (up to 20 bar at ambient) |
Key Features & Benefits:
- Superior Corrosion Resistance: 304 stainless steel provides excellent resistance to water, chemicals, and mild acids, ensuring long-term reliability in wet or corrosive environments.
- Self-Cleaning Capability: The wedge wire profile allows particles to be easily removed during backwash, reducing maintenance frequency and extending filter life.
- High Mechanical Strength: Continuous vee-wire construction withstands high differential pressure and mechanical stress without deformation.
- Precise Slot Tolerance: Each slot is precision-formed to ±0.02 mm, ensuring consistent filtration performance and preventing particle bypass.
- Versatile Installation: The 2" 150LB flange conforms to ANSI standards, making it compatible with pipes, valves, and fittings across multiple industries.
- Customizable Options: Available in various lengths, diameters, end connections, and micron ratings (from 50 to 2000 microns) to meet specific process requirements.
- Eco-Friendly Design: The open area ratio is optimized to minimize pressure drop and energy consumption, contributing to lower operational costs.
Typical Applications:
- Water treatment (filtration, desalination, cooling water)
- Petrochemical and oil & gas (crude oil, produced water, refinery)
- Chemical processing (catalyst recovery, polymer filtration)
- Food and beverage (juice, beer, edible oil)
- Pharmaceutical and biotechnology (pre-filtration, sterile processes)
- Mining and mineral processing (slurry, tailings)
Our factory in Hengshui, Hebei, China, has been a trusted exporter for over 20 years. With an annual export value of US$5 million to US$10 million, we ship to major markets including North America, South America, Europe, Southeast Asia, Africa, and Oceania. Every filter is inspected before shipment to ensure dimensional accuracy, weld integrity, and cleanliness. We offer flexible packaging (plywood cases, pallets) and can ship via Tianjin, Qingdao, Shanghai, or Foshan ports.
Choose our Johnson Wedge Wire Filter for a reliable, high-performance solution that reduces downtime and improves product quality. Contact us today for a quote or to discuss your customized requirements. We are committed to providing excellent after-sales support and fast delivery.
Frequently Asked Questions (FAQ)
1. What is the difference between 0.3mm gap and 100 micron filtration?
The 0.3mm gap (300 microns) refers to the physical slot width between wedge wires. The 100 micron absolute filtration rating means the filter can retain particles larger than 100 microns, achieved through the tortuous path and surface roughness. This combination ensures dual-level protection for processes requiring fine filtration.
2. Can this filter be used for high-temperature applications?
Yes, the 304 stainless steel construction can withstand temperatures up to 400°C (752°F), but the actual limit depends on the gasket or seal used. For continuous high-temperature service, we recommend using metallic gaskets. Please advise your operating temperature when ordering.
3. Is the flange compatible with ANSI or DIN standards?
The standard product features a 2-inch 150LB flange according to ANSI B16.5. We can also supply flanges to DIN, JIS, or other standards upon request. Please specify your required flange standard and facing type (RF, FF, RTJ).
4. How do I clean the wedge wire filter?
The wedge wire design allows for easy backwashing or chemical cleaning. For most applications, a simple reverse flow at low pressure (2-3 bar) will dislodge accumulated particles. For stubborn deposits, soak in a mild acid solution (e.g., citric acid) and rinse with water. Do not use sharp tools that could damage the slot edges.
5. What is the typical open area ratio?
For a 0.3mm gap with our standard wire profile, the open area ratio is approximately 30-40% of the total filter surface, depending on the diameter and length. This ensures low pressure drop while maintaining high filtration efficiency.
6. Can I get a custom length or diameter?
Absolutely. We offer custom sizes from 1 inch to 12 inches in diameter, and lengths up to 6 meters (or longer for special orders). Minimum order quantity may apply for non-standard dimensions. Contact our sales team with your requirements.
7. How do you ensure the quality of the filter?
Each filter is manufactured under strict quality control procedures. We check slot dimensions with feeler gauges, perform hydrostatic pressure tests on the flange connection, and inspect weld integrity visually and with dye penetrant. A certificate of compliance is provided with each shipment.
8. What is the lead time for this product?
For standard sizes (like the 2" 150LB flange with 0.3mm gap), lead time is typically 15-20 working days after order confirmation. For custom orders, please allow 25-30 working days. We can expedite urgent orders upon request.
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