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Help CenterStainless Steel Scraper Filter Element, Johnson Filter Type, Technical Support, Free Replacement Within 12 Months
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a professional manufacturer specializing in filtration components. With an annual export value of US$5–10 million and serving global markets including North America, Europe, Asia, and Oceania, we bring decades of expertise to every product. Our Stainless Steel Scraper Filter Element (Johnson Filter Type) is engineered for self-cleaning scraper systems, offering reliable performance, free technical support, and a 12-month free replacement guarantee. This element is designed to minimize downtime and maximize filtration efficiency in demanding industrial applications.
Product Overview
The Johnson filter type (wedge wire) scraper element is constructed from high-quality stainless steel (304 or 316L) with a continuous V-shaped profile. This design provides a smooth surface that facilitates easy scraping and cleaning, preventing clogging and extending service life. The element is widely used in automatic scraper filters, sewage treatment, food processing, and chemical industries.
Key Features & Benefits
- V-Shaped Wedge Wire Profile – Allows precise slot openings and prevents particle wedging, ensuring consistent filtration with low pressure drop.
- High Mechanical Strength – Stainless steel construction resists corrosion, high temperature, and pressure up to 10 MPa (optional).
- Self-Cleaning Compatible – Seamless surface enables scraper blades to slide easily, removing accumulated solids without damaging the element.
- Customizable Dimensions – Outer diameter from 30 mm to 200 mm, length up to 3000 mm, and slot sizes from 0.1 mm to 5 mm to meet specific requirements.
- Multiple Connection Options – Threaded, flanged, or welded ends available to fit existing scraper filter housings.
- 12-Month Free Replacement – If any manufacturing defect arises within 12 months, we provide a free replacement, backed by our responsive technical support team.
Technical Specifications (Typical)
| Parameter | Value |
|---|---|
| Material | SS304 / SS316L |
| Slot (Gap) Size | 0.1 – 5.0 mm (±0.05 mm) |
| Outer Diameter | 30 – 200 mm |
| Length | 100 – 3000 mm |
| Max Operating Temperature | Up to 400°C (depending on O-ring selection) |
| Max Operating Pressure | Up to 10 MPa (optional) |
| Connection Type | Threaded (NPT/BSP), Flanged, or Welded |
Detailed Application & Advantages
Our scraper filter element is specifically designed for automatic self-cleaning scrapers. The continuous V-wire construction ensures that the scraper blade contacts a smooth, uniform surface, effectively removing debris without damaging the filter. This results in:
- Reduced Maintenance – The self-cleaning action minimizes manual cleaning intervals, saving labor and downtime.
- Consistent Flow – Even under high solid loading, the element maintains a stable pressure drop, ensuring uninterrupted process flow.
- Long Service Life – Stainless steel resists rust and chemical attack; the robust structure can withstand repeated scraping cycles.
- Wide Compatibility – Suitable for water, oil, chemicals, and food-grade liquids. Available with FDA-compliant sealing materials upon request.
Trust & Support
As a manufacturer with over 25 years of experience, we have supplied millions of filter elements to customers worldwide. Our factory in Hengshui, Hebei, operates with advanced CNC winding machines and strict quality control. We provide free technical support for system integration, installation guidance, and troubleshooting. Every element is tested for slot accuracy and pressure integrity before shipment. With a 12-month free replacement policy, you can purchase with confidence. Should any issue arise, our team responds within 24 hours.
Frequently Asked Questions
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Q: What is the difference between a Johnson filter element and a standard wedge wire screen?
A: A Johnson filter element uses a continuous V-shaped wire profile that provides a smooth outer surface, ideal for scraper applications. Standard wedge wire screens may have a rougher surface, which can cause premature scraper wear. -
Q: Can I use this element for high-temperature applications?
A: Yes, the stainless steel can withstand up to 400°C, but the sealing material (e.g., O-rings) must be selected accordingly. Please specify your temperature range when ordering. -
Q: How do I know the correct slot size for my process?
A: Slot size depends on the particle retention requirement. For example, 0.5 mm slots are common for water filtration, while 0.2 mm slots are used for fine solids. Our technical team can help you choose based on your application. -
Q: What is the lead time for custom orders?
A: Typical lead time is 10–20 working days for standard sizes, and 15–30 days for fully customized dimensions. We can expedite urgent orders upon request. -
Q: Is the element compatible with all scraper filter brands?
A: We can manufacture elements to match the dimensions of most major scraper filter brands (e.g., Amiad, Forsta, etc.). Provide your existing element’s drawing or sample for exact replication. -
Q: Do you offer samples for testing?
A: Yes, we offer paid samples with a lead time of 5–10 days. The sample cost is refundable for bulk orders. -
Q: What is the warranty policy exactly?
A: We provide a 12-month free replacement for any manufacturing defects (e.g., weld failure, slot deviation). Normal wear and tear or improper use are not covered. -
Q: How do I maintain the scraper element?
A: The element requires minimal maintenance. Periodically inspect the scraper blades for wear and ensure the element surface is free of hardened deposits. Our technical support can provide cleaning guidelines.
Contact Us
With a strong track record of exporting to North America, South America, Europe, Africa, and the Middle East, we are your reliable partner for filtration solutions. Ship from major ports: Tianjin, Qingdao, Shanghai, Foshan. Contact us today for a quote or technical consultation.
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