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Help CenterJohnson Filter, 304L Stainless Steel, 0.2mm Slot, 1" Sanitary Clamp, 200°C
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As a trusted manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory proudly presents our Johnson Filter, 304L Stainless Steel, 0.2mm Slot, 1" Sanitary Clamp, 200°C. This premium filter element is engineered to deliver exceptional performance in demanding sanitary applications, combining high-precision filtration with robust construction. Our Johnson-style wedge wire screens are manufactured using advanced welding technology, ensuring consistent slot openings and a smooth, durable surface that meets the rigorous requirements of the food, beverage, and pharmaceutical industries.
Every filter is crafted from premium 304L stainless steel, offering superior corrosion resistance and long service life even in elevated temperature environments. The 0.2mm slot provides precise particle retention, while the 1" sanitary clamp connection allows for quick and hygienic installation. With a maximum operating temperature of 200°C, this filter is ideal for hot liquid filtration, CIP cleaning cycles, and high-temperature process streams.
Key Features and Benefits
- Precision Filtration: The 0.2mm slot size ensures consistent particle retention with minimal pressure drop, enhancing product quality and process efficiency.
- High Temperature Resistance: Rated for continuous operation at 200°C, suitable for hot fluids, sterilization, and high-temperature cleaning.
- 304L Stainless Steel Construction: Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, ensuring longevity in harsh environments.
- Sanitary Design: The 1" tri-clamp (sanitary clamp) connection provides a leak-proof, crevice-free joint that is easy to disassemble and clean.
- Strong Mechanical Strength: Wedge wire profile offers high structural integrity, capable of withstanding differential pressures up to 10 bar (customizable upon request).
- Customizable Dimensions: Available in various lengths, diameters, and outer supports to fit your specific housing or vessel.
- Low Maintenance: Smooth surface resists fouling and is easy to backwash or clean, reducing downtime.
Technical Specifications
| Material | 304L Stainless Steel |
| Slot Opening | 0.2 mm (nominal) |
| Connection Type | 1 inch Sanitary Clamp (Tri-Clamp) |
| Maximum Operating Temperature | 200°C |
| Max Differential Pressure | Up to 10 bar (dependent on design) |
| Surface Finish | Sanitary grade (Ra ≤ 0.8 μm optional) |
| Standard Length | 500 mm, 1000 mm, or custom |
| Outer Diameter | 25 mm, 32 mm, 38 mm, 50 mm, etc. (customizable) |
Detailed Product Description
Our Johnson Filter is a high-quality wedge wire screen element designed for use in sanitary filtration systems. The unique V-shaped wire profile creates a continuous slot opening that is self-cleaning and resistant to clogging. The 0.2mm slot width is ideal for retaining fine particles while allowing high flow rates, making it suitable for clarification, polishing, and protection of downstream equipment.
The 304L stainless steel material offers excellent weldability and corrosion resistance, especially in chloride-containing environments. The 1" sanitary clamp connection complies with industry standards for hygienic fittings, ensuring a smooth, crevice-free joint that prevents bacterial growth and facilitates easy cleaning. The filter can withstand continuous operation at 200°C, which is critical for processes involving hot liquids, steam sterilization, or high-temperature cleaning agents.
Each filter element is manufactured using precision winding and welding processes, ensuring consistent slot dimensions and structural integrity. We offer optional electropolishing to achieve a mirror-like surface finish that further enhances cleanability and corrosion resistance. The filter can be supplied with end caps, gaskets, and additional support structures as required.
Typical applications include:
- Food and beverage filtration (beer, wine, juice, edible oils)
- Pharmaceutical and biotech processing
- Chemical and petrochemical filtration
- Water and wastewater treatment
- Oil and gas industry (produced water, injection water)
Why Choose Us?
With over 25 years of experience in wire mesh and filter manufacturing, Anping County Boli Hardware Wiremesh Products Factory has established a strong reputation for quality and reliability. Our annual export value of US$5 million to US$10 million reflects our global reach, serving markets in North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and beyond. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery.
We understand that every application is unique. That's why we offer customization services for dimensions, slot sizes, connection types, and surface finishes. Our skilled engineers can work with you to develop a filter solution that meets your exact specifications. We also provide OEM/ODM services for clients who require branded products.
Quality is our priority. Each filter undergoes rigorous inspection for slot uniformity, pressure integrity, and surface finish. We are committed to delivering products that perform reliably in the most demanding conditions. Contact us today to discuss your filtration needs and experience the Boli difference.
Frequently Asked Questions
1. What is the difference between 304 and 304L stainless steel?
304L has a lower carbon content (max 0.03%) compared to 304 (max 0.08%), which reduces the risk of carbide precipitation during welding and improves corrosion resistance in welded zones. Our filter uses 304L specifically for better performance in sanitary and high-temperature applications.
2. Can the slot size be customized to other values?
Yes, we offer a wide range of slot sizes from 0.02 mm to 10 mm. The 0.2 mm slot is a popular choice for fine filtration, but we can produce any slot width to meet your specific retention requirements.
3. What is the maximum pressure this filter can handle?
The maximum differential pressure depends on the filter's length, diameter, and support structure. Standard designs can handle up to 10 bar. For higher pressure applications, we can reinforce the element with additional support rods or a thicker outer jacket. Please consult with our technical team.
4. Is this filter suitable for CIP (clean-in-place) systems?
Absolutely. The 304L stainless steel construction and smooth surface finish make it compatible with CIP cycles using hot water, caustic solutions, or acid cleaners. The 200°C temperature rating allows for steam sterilization as well.
5. Do you provide gaskets or O-rings with the filter?
We can supply compatible gaskets made from EPDM, silicone, Viton, or PTFE depending on your process requirements. Gaskets are not included by default but can be added as an option.
6. What is the typical lead time for customized orders?
For standard sizes, lead time is 10–15 working days. Customized designs may require 15–25 working days depending on complexity. We can expedite urgent orders upon request.
7. Can this filter be used in a reverse flow (backwash) application?
Yes, the wedge wire design is excellent for backwashing. The V-shaped slot allows trapped particles to be easily released during reverse flow, making it a self-cleaning filter element. We recommend specifying backwash requirements at the time of order for optimal design.
8. How do I know which outer diameter and length to choose?
Select the outer diameter and length based on your existing housing or vessel. Common sanitary housing sizes accept 1" to 4" diameter elements. If you are unsure, please provide your housing dimensions, flow rate, and viscosity, and our engineers will recommend the most suitable configuration.
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