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Help CenterStainless Steel Scraper Filter Element, Johnson Filter Type, for Water Treatment and Wastewater Filtration
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – a trusted manufacturer with over 25 years of experience in wire mesh and filtration products. Since 1998, we have been dedicated to producing high-quality stainless steel scraper filter elements of the Johnson filter type, specifically designed for water treatment and wastewater filtration applications. Our scraper filter elements combine the proven wedge wire technology with a unique scraper design, delivering superior filtration performance, extended service life, and easy maintenance. As a direct manufacturer, we offer competitive pricing, strict quality control, and flexible customization to meet your exact requirements.
Product Overview
The Stainless Steel Scraper Filter Element (Johnson filter type) is a precision-engineered filtration component used in various water treatment and wastewater filtration systems. It features a continuous V-shaped wire wound around support rods, creating a robust wedge wire screen with uniform slot openings. The integrated scraper mechanism allows for automatic or manual cleaning, preventing clogging and ensuring consistent flow rates. This design is ideal for applications requiring high solids loading, such as industrial wastewater, municipal water treatment, and process water filtration.
Key Features & Benefits
- High Strength & Durability: Made from premium stainless steel (304, 316, or 316L), the filter element withstands high pressure, corrosion, and abrasion, ensuring long-term reliability in harsh environments.
- Uniform Slot Openings: The precision-wound wedge wire provides accurate filtration precision from 0.1mm to 6mm, minimizing particle bypass and improving effluent quality.
- Self-Cleaning Scraper Mechanism: The scraper design effectively removes accumulated solids from the screen surface, reducing downtime and maintenance costs. It can be operated manually or automated with a motor drive.
- High Flow Capacity: The open area of the wedge wire screen is larger than traditional mesh filters, allowing higher flow rates with lower pressure drop.
- Customizable Dimensions: Outer diameter, length, slot width, and connection types (flange, thread, etc.) can be tailored to fit your existing system or new design.
- Easy Installation: The filter element can be supplied with mounting flanges, end caps, or other fittings for quick integration into your filtration vessel.
Technical Specifications
| Material | Stainless Steel 304, 316, 316L (other alloys available upon request) |
| Slot Width | 0.1 mm – 6 mm (customizable) |
| Outer Diameter | Customizable (e.g., 25 mm – 500 mm or more) |
| Length | Customizable (up to 6000 mm per piece) |
| Connection Type | Flange, Thread, Tri-clamp, or custom |
| Scraper Drive | Manual handle or electric motor (optional) |
| Operating Temperature | Up to 400°C (depending on material and design) |
| Operating Pressure | Up to 10 bar (higher available upon request) |
Applications
- Municipal and industrial wastewater treatment
- Process water filtration (food & beverage, chemical, pharmaceutical)
- Cooling water intake screens
- Desalination pre-filtration
- Sludge dewatering and solid-liquid separation
- Oil & gas produced water filtration
Why Choose Anping Boli?
Established in 1998, Anping County Boli Hardware Wiremesh Products Factory has grown into a leading manufacturer of wire mesh and filtration products. With an annual export value of US$5 million to US$10 million, we serve clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our factory is located in Hengshui, Hebei, China – the wire mesh capital of the country – giving us access to premium raw materials and skilled labor.
We pride ourselves on strict quality control during every production stage, from wire drawing to final assembly. Each scraper filter element is tested for slot uniformity, mechanical strength, and corrosion resistance before shipment. Our experienced engineering team is ready to assist with custom designs, including non-standard dimensions, special materials, and integration with automated scrapers.
Contact us today to discuss your specific water treatment or wastewater filtration needs. We offer competitive factory prices, fast delivery, and reliable after-sales support. Let us help you achieve efficient, low-maintenance filtration with our stainless steel scraper filter elements.
Frequently Asked Questions
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Q1: What stainless steel grades are available for the scraper filter element?
A: We offer 304, 316, and 316L stainless steel as standard. Other grades like duplex stainless steel can be supplied upon request for aggressive chemical environments. -
Q2: What filtration precision can I achieve?
A: The slot width can be customized from 0.1mm to 6mm, corresponding to filtration precision of approximately 100 microns to 6000 microns. Please specify your required particle size retention. -
Q3: How does the scraper mechanism work?
A: The scraper consists of a rotating or reciprocating blade that contacts the outer surface of the wedge wire screen. It dislodges accumulated solids, which are then flushed away. The drive can be manual (handwheel) or motorized for automatic operation. -
Q4: Can the filter element be cleaned without removing it from the system?
A: Yes, the scraper allows for in-line cleaning. You can also backwash the element if needed. The scraper design minimizes downtime for maintenance. -
Q5: What is the maximum operating temperature and pressure?
A: Standard elements can withstand up to 400°C and 10 bar. Higher temperature and pressure ratings are possible with reinforced designs and special materials. -
Q6: Do you offer custom sizes and connections?
A: Absolutely. We can customize outer diameter, length, slot width, and connection types (flange, thread, tri-clamp, etc.) to fit your existing housing or new system. -
Q7: How long is the lead time for a typical order?
A: For standard sizes, lead time is 15-20 working days. Custom orders may require 25-35 working days, depending on complexity. We ship from Tianjin, Qingdao, Shanghai, or Foshan ports. -
Q8: Can you provide samples for testing?
A: Yes, we can produce small samples to evaluate performance in your specific application. Sample cost and shipping details can be discussed with our sales team.
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