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Help CenterStraight Seam Welded Screen Tube Used for Groundwater Well Dewatering 304 Stainless Steel 0.5mm Slot
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Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer with over 25 years of expertise since 1998. Our Straight Seam Welded Screen Tube made of 304 stainless steel with a precise 0.5mm slot is engineered specifically for groundwater well dewatering applications. This product combines robust construction with high filtration efficiency, ensuring reliable performance in demanding environments. With an annual export value of US$5-10 million, we serve global markets including North America, Europe, and Southeast Asia, delivering quality solutions that meet diverse customer needs.
Our screen tube features a straight seam welded design that provides uniform slot openings and excellent structural integrity. The 304 stainless steel material offers superior corrosion resistance and long service life, even in aggressive groundwater conditions. The 0.5mm slot width is carefully selected to balance water flow and particle retention, making it ideal for dewatering projects where fine sand and silt need to be controlled.
Key Features & Technical Specifications
- Material: Premium 304 stainless steel – excellent resistance to rust, chemicals, and abrasion.
- Slot Width: 0.5mm (0.020 inch) – optimizes filtration for fine sand and silt while maintaining high flow capacity.
- Welding Process: Straight seam welded – ensures consistent slot geometry and strong tube structure.
- Customizable Dimensions: Outer diameter, length, and end connections can be tailored to your well specifications.
- High Open Area: Designed to maximize water intake while minimizing pressure drop.
- Easy Installation: Available with threaded, flanged, or plain ends for quick integration with well casings.
- Durability: Withstands high groundwater pressure and repeated cleaning cycles.
| Parameter | Specification |
| Material Grade | 304 Stainless Steel (UNS S30400) |
| Slot Width | 0.5 mm (±0.05 mm) |
| Tube Wall Thickness | 1.5 mm – 3.0 mm (customizable) |
| Outer Diameter | 50 mm – 500 mm (custom) |
| Length per Piece | 1 m – 6 m (custom) |
| Open Area Ratio | Typically 2% – 15% (depending on slot pattern) |
| End Connection | Threaded (NPT/BSP), Flanged, or Plain |
Benefits for Groundwater Well Dewatering: Our screen tube effectively prevents sand and sediment from entering the pump system, reducing maintenance costs and extending equipment life. The 0.5mm slot is particularly suitable for fine to medium sand formations commonly encountered in dewatering projects. The straight seam welded construction ensures that the slots remain unobstructed and the tube maintains its shape under high external pressure. Additionally, the 304 stainless steel material resists corrosion from chlorides and other aggressive chemicals found in groundwater, making it a reliable choice for long-term installations.
Trusted by Global Customers
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a dedicated manufacturer of wire mesh and filtration products. Our annual export value of US$5-10 million reflects the trust and satisfaction of clients across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery to your project site.
Every straight seam welded screen tube undergoes rigorous quality control during production, including slot width measurement, dimensional inspection, and weld strength testing. Our experienced team can also provide custom solutions – whether you need a specific outer diameter, length, or slot pattern. We invite you to contact us for a quote or technical consultation. Choose Boli for durable, high-performance well screens that keep your dewatering operations running smoothly.
Frequently Asked Questions
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Q: What is the difference between straight seam welded and spiral welded screen tubes?
A: Straight seam welded tubes have longitudinal welds along the length, while spiral welded tubes have a helical seam. Straight seam offers more uniform slot geometry and is often preferred for precise filtration applications. -
Q: Can the 0.5mm slot effectively filter fine sand?
A: Yes, 0.5mm (500 micron) is suitable for filtering fine sand and silt. For very fine particles (e.g., 100-200 micron), we can produce custom slot widths upon request. -
Q: What lengths and diameters are available?
A: We can customize outer diameters from 50mm to 500mm and lengths from 1m to 6m per piece. Longer lengths can be connected via couplings. -
Q: Is the screen tube suitable for high-pressure dewatering applications?
A: Yes, the straight seam welded construction provides excellent strength. The specific pressure rating depends on wall thickness and diameter; we can advise based on your requirements. -
Q: How is the tube connected to the well casing?
A: We offer threaded ends (NPT or BSP), flanged ends, or plain ends for welding. Choose the option that best fits your installation method. -
Q: What is the typical lead time?
A: For standard sizes, lead time is 10-15 working days. Custom orders may require 20-25 working days, depending on complexity. -
Q: Do you provide samples for testing?
A: Yes, we can provide sample pieces (e.g., 300mm length) for evaluation. Please contact us for sample availability and shipping cost. -
Q: Can you supply other stainless steel grades like 316L?
A: Yes, 316L and other grades are available upon request for more corrosive environments. Please specify your requirement.
Contact us today to discuss your groundwater well dewatering screen needs. Our team is ready to provide a tailored solution that meets your project specifications.
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