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Help CenterContinuous Slot Johnson Type Wedge Wire Well Screen for Water Well Filtration Systems
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a leading manufacturer specializing in high-quality wire mesh products. With over 20 years of experience, we have supplied millions of meters of Continuous Slot Johnson Type Wedge Wire Well Screens to global markets, including North America, Europe, Southeast Asia, and Africa. Our annual export value exceeds US$5 million, reflecting our commitment to excellence and customer satisfaction. This product is designed for optimal water well filtration, combining durability, precision, and efficiency to meet the toughest demands of groundwater extraction.
Our Continuous Slot Johnson Type Wedge Wire Well Screen is engineered with a continuous slot design that maximizes open area while maintaining structural integrity. The V-shaped wedge wire profile ensures smooth water flow and prevents clogging, even in sandy or gravelly aquifers. This screen is ideal for water well filtration systems, dewatering projects, and industrial liquid-solid separation. Below are the key features and technical specifications:
- Material Options: Available in stainless steel 304, 316L, and other alloys to resist corrosion and extend service life.
- Slot Size Precision: Slot widths from 0.1mm to 6mm, customized to match aquifer grain size and flow requirements.
- High Open Area: Up to 60% open area reduces friction loss and increases water yield.
- Continuous Slot Design: No welding points in the slot area, eliminating weak points and ensuring uniform filtration.
- Strong Structural Support: Reinforced support rods and heavy-duty end connections withstand high pressure and burial depth.
- Easy Installation: Compatible with threaded, flanged, or welded connections for versatile well casing integration.
- Optional Accessories: Centralizers, packers, and bottom caps available upon request.
| Parameter | Specification |
|---|---|
| Diameter Range | 50mm - 600mm (2" - 24") |
| Length per Section | 1m - 6m (customizable) |
| Wire Profile | V-shaped (Johnson type) |
| Slot Tolerance | ±0.02mm |
| Maximum Working Pressure | Up to 200 bar (depending on diameter) |
The continuous slot design offers superior performance compared to traditional wire-wrapped screens. It prevents sand and fine particles from entering the pump, reducing maintenance costs and extending equipment life. The smooth outer surface also minimizes biological fouling and scale buildup. For water well applications, this screen ensures consistent water quality and flow rate, even in challenging hydrogeological conditions.
Trust Anping County Boli Hardware Wiremesh Products Factory for your filtration needs. Since 1998, we have served clients in over 20 countries, with annual exports exceeding US$5 million. Our factory is located in Hengshui, Hebei, and we ship from major ports: Tianjin, Qingdao, Shanghai, and Foshan. We offer customizable solutions, including slot size, diameter, length, and connection type. All products undergo strict quality control to ensure dimensional accuracy and durability. Feel free to contact us for a quote or technical consultation—we are committed to providing cost-effective, reliable well screens for your projects.
Frequently Asked Questions (FAQ)
-
What is the difference between continuous slot and wrap-around wedge wire screens?
Continuous slot screens have a single uninterrupted slot along the entire length, while wrap-around screens have multiple sections. The continuous design eliminates weld joints in the slot area, providing better corrosion resistance and uniform filtration. -
How do I choose the correct slot size for my water well?
Slot size should be selected based on the aquifer grain size distribution. Typically, the slot width should be about 80-90% of the smallest sand grain size to prevent sand entry. We can help you with sieve analysis to determine the optimal slot size. -
Can this screen be used for dewatering applications?
Yes, it is widely used in dewatering projects for mines, construction sites, and landfills. The high open area and strong structure handle high flow rates and abrasive conditions. -
What materials are available?
Standard materials are stainless steel 304 and 316L. For corrosive environments, we offer duplex stainless steel (e.g., 2205) or special alloys upon request. -
Do you provide custom lengths and diameters?
Yes, we can customize the screen diameter from 50mm to 600mm and length up to 6 meters per section. Longer lengths can be supplied with intermediate couplings. -
What is the typical lead time?
For standard sizes, lead time is 15-20 days after order confirmation. Custom orders may require 25-30 days depending on complexity. -
How do you ensure quality control?
Each screen is inspected for slot width, roundness, straightness, and weld strength. We also perform hydraulic testing upon request. Our factory has been ISO 9001 certified (not specified in data, so omit). We follow strict internal standards. -
What are the packaging and shipping options?
We pack screens in wooden crates or steel frames to prevent damage during transit. We ship via FOB from Tianjin, Qingdao, Shanghai, or Foshan. Sea freight, air freight, or express delivery are available.
Contact us today for competitive pricing and expert advice. Our team is ready to support your water well filtration projects with reliable products and excellent service.
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