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Help CenterStainless Steel Johnson Filter, 0.1mm Slot, 25mm OD, Custom Length, for Liquid-solid Separation
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As a leading manufacturer with over 25 years of experience, Anping County Boli Hardware Wiremesh Products Factory proudly presents our Stainless Steel Johnson Filter with a precise 0.1mm slot width and 25mm outer diameter. This filter is designed specifically for efficient liquid-solid separation in demanding industrial applications. Our factory, established in 1998, has exported to global markets including North America, Europe, Southeast Asia, and Africa, with annual export value exceeding US$5 million. We combine advanced wire winding technology with strict quality control to deliver filters that offer long service life, high mechanical strength, and consistent filtration performance.
The Johnson filter, also known as wedge wire screen, features a continuous V-shaped profile wire wound around support rods. This unique construction creates a durable, self-cleaning surface that resists clogging and allows for high flow rates. The 0.1mm slot opening is ideal for removing fine particles from liquids, making it suitable for treating process water, wastewater, oils, and chemical solutions. Custom lengths are available to fit your specific equipment, and we offer various end connections (threaded, flanged, or plain) upon request.
Key Features & Technical Specifications
- Premium Material: Made from high-quality stainless steel (304 or 316L), offering excellent corrosion resistance and durability in harsh environments.
- Precise Slot Width: 0.1mm (±0.02mm tolerance) ensures accurate particle separation, preventing oversized particles from passing through.
- Compact Design: 25mm outer diameter fits into narrow pipes or cartridges, ideal for space-constrained systems.
- Custom Length: Available from 100mm up to 6000mm per piece, tailored to your application requirements.
- Self-Cleaning Effect: The V-shaped wedge wire profile allows trapped particles to be easily dislodged during backwashing or continuous flow, reducing maintenance downtime.
- High Mechanical Strength: Welded construction with support rods ensures resistance to pressure and impact, suitable for high-flow and high-pressure applications.
- Versatile Applications: Used in water treatment plants, petroleum refining, chemical processing, food and beverage filtration, and mining dewatering.
Technical Parameters (Standard)
| Parameter | Value |
|---|---|
| Material | Stainless Steel 304 / 316L |
| Slot Width | 0.1 mm |
| Outer Diameter | 25 mm |
| Length Range | 100 mm – 6000 mm (customizable) |
| Filtration Precision | 0.1 mm (100 micron) |
| Max Operating Temperature | Up to 400°C (depending on material grade) |
| End Connections | Threaded (NPT/BSP), flanged, or plain – optional |
| Surface Finish | Pickled & passivated, or as required |
Advantages for Your Business
By choosing our stainless steel Johnson filter, you benefit from reliable performance and lower total cost of ownership. The self-cleaning design reduces the need for frequent manual cleaning, saving labor and downtime. The precise 0.1mm slot ensures consistent filtrate quality, which is critical for applications like brine filtration, juice clarification, or cooling water treatment. Our custom length service allows you to integrate the filter directly into existing systems without additional adapters, simplifying installation.
We use automatic welding machines to ensure uniform slot width and strong joints. Each filter undergoes a pressure test and visual inspection before shipment. Our factory in Hengshui, Hebei, China, has a production capacity of over 10,000 meters per month, enabling fast delivery for both small trial orders and large bulk shipments.
Trust Our Experience
Anping County Boli Hardware Wiremesh Products Factory has been manufacturing wire mesh and filtration products since 1998. With annual export value of US$5-10 million, we serve clients in over 15 countries, including demanding markets in North America and Europe. Our main ports of shipment are Tianjin, Qingdao, Shanghai, and Foshan, ensuring convenient logistics. We are committed to providing high-quality products at competitive prices, with flexible customization and responsive after-sales support. Contact us today to discuss your liquid-solid separation needs – we are ready to provide samples, technical drawings, and a quotation tailored to your specifications.
Frequently Asked Questions
We offer stainless steel grades 304 and 316L. 316L provides superior corrosion resistance in chloride-containing environments. Both are food-grade and suitable for most industrial liquids.
Yes, we can manufacture custom slot widths from 0.02mm to 50mm. For 0.1mm, it is a standard option. Please specify your required filtration precision when ordering.
The V-shaped profile allows easy backwashing – simply reverse the flow direction. For heavy deposits, chemical cleaning with mild acid or alkaline solutions is recommended. Avoid abrasive brushes to protect the surface.
Our standard production length is up to 6000 mm per piece. For longer lengths, we can provide multiple sections that can be joined on-site. Minimum order quantity is 10 pieces for custom lengths.
Yes, we can customize end connections. Threaded ends (NPT or BSP), flanges (ANSI, DIN, JIS), or plain ends are available. Please specify your requirement in the inquiry.
For standard sizes, lead time is 7-15 days after order confirmation. For custom lengths or special materials, it may take 15-25 days. We can expedite urgent orders.
Yes, we offer free samples for existing customers. For new inquiries, we can provide a small sample (e.g., 200mm length) at a minimal cost, plus shipping. Contact our sales team to arrange.
We have an in-house quality control system that includes dimensional inspection, pressure testing, and visual check. Each batch comes with a material certificate. We also test slot width with a feeler gauge to ensure accuracy.
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