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Help CenterStainless Steel Wedge Johnson Filter 1 Year Warranty Mill Test Report Included for Quality Assurance
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a professional manufacturer specializing in wire mesh and filtration products. With annual export value ranging from US$5 million to US$10 million, we supply our Stainless Steel Wedge Johnson Filter to clients across North America, South America, Europe, Asia, Africa, and Oceania. Our Johnson filter combines superior strength, precise filtration, and long service life, backed by a 1-year warranty and a Mill Test Report for every batch, ensuring you receive consistent quality and complete traceability.
This product is engineered for demanding applications where reliable solid-liquid separation is critical. The wedge wire profile provides a smooth surface, minimizing clogging and allowing easy backwashing. Whether used in water wells, petrochemical processing, or food production, our Johnson filter delivers stable performance and low maintenance.
Key Features & Benefits
- Precision Filtration – Slot sizes from 0.1 mm to 6 mm, with consistent gap tolerance of ±0.05 mm, ensuring accurate separation.
- High Strength & Durability – Made from stainless steel 304/316L, with robust welded construction that withstands high pressure and mechanical stress.
- Anti-Clogging Design – V-shaped wedge wire profile allows particles to pass through smoothly, reducing blinding and extending service life.
- Easy Backwashing – Efficient self-cleaning capability minimizes downtime and maintenance costs.
- Corrosion Resistance – Suitable for harsh environments including acidic, alkaline, and high-chloride conditions.
- Customizable Dimensions – Outer diameter, length, end connections, and materials can be tailored to your specific requirements.
- Complete Quality Assurance – Each filter comes with a Mill Test Report verifying material composition and mechanical properties.
Technical Specifications
| Material | Stainless Steel 304 / 304L / 316 / 316L |
| Slot Size (Gap) | 0.1 mm – 6 mm (customizable) |
| Outer Diameter | 25 mm – 1000 mm |
| Length | 100 mm – 6000 mm |
| End Connection | Threaded (NPT/BSP), Flanged, Welded, or Custom |
| Operating Temperature | -20°C to 400°C (depending on material grade) |
| Pressure Rating | Up to 100 bar (optional, depends on design) |
| Warranty | 1 Year |
| Included Document | Mill Test Report (material certificate) |
Applications
- Water Well Screens – Sand control and gravel pack filtration
- Oil & Gas Industry – Downhole screens, sand separators, and inlet filters
- Petrochemical & Chemical Processing – Catalyst recovery, distillation tower internals
- Mining & Minerals – Dewatering, slurry filtration, and beneficiation
- Food & Beverage – Juice extraction, beer filtration, and sugar processing
- Environmental Protection – Wastewater treatment, desalination pre-filtration
Why choose Boli? With over 25 years of wire mesh manufacturing experience, we have built a reputation for reliability and precision. Our factory is located in Hengshui, Hebei – the renowned wire mesh capital of China. We serve clients from domestic to global markets, shipping from major ports including Tianjin, Qingdao, Shanghai, and Foshan. Every Stainless Steel Wedge Johnson Filter is produced under strict quality control, and we provide a Mill Test Report to guarantee material authenticity. The 1-year warranty covers manufacturing defects, giving you peace of mind.
We welcome inquiries for custom sizes, special materials, and bulk orders. Contact us today for a competitive quotation and fast delivery. Let Boli be your trusted partner in filtration solutions.
Frequently Asked Questions
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What materials are available for the Johnson filter?
We offer stainless steel 304, 304L, 316, and 316L. Other grades like duplex or super austenitic are available upon request. -
What is the minimum slot size you can produce?
Our standard minimum slot is 0.1 mm, with a tolerance of ±0.05 mm. For finer gaps, please consult our engineers. -
Do you provide custom dimensions?
Yes, we can customize outer diameter, length, end connections, and slot pattern to match your system requirements. -
How is the filter installed?
Common connection types include threaded (NPT/BSP), flanged, or welded. We can also provide adapters for seamless integration. -
What does the Mill Test Report include?
The report typically provides chemical composition and mechanical properties of the stainless steel used, ensuring traceability and compliance with standards. -
Is the filter suitable for high-temperature applications?
Yes, depending on the material grade. For example, SS 316L can operate up to 400°C. Please specify your temperature range for proper selection. -
How long is the warranty period?
We offer a 1-year warranty against manufacturing defects. The warranty covers workmanship and material issues under normal use. -
Can you provide samples before bulk order?
Absolutely. We can produce a sample based on your drawing or specifications. The sample cost is negotiable, and it will be deducted from the final order.
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