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Help Center2mm Wall Galvanized Circular-Hole Filter Pipe for Dewatering Wells With 20% Open Area
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a professional manufacturer of filter pipes with over two decades of experience. Our 2mm Wall Galvanized Circular-Hole Filter Pipe for Dewatering Wells is designed to deliver reliable performance in groundwater control and dewatering projects. With a precise 20% open area, this pipe ensures efficient water flow while maintaining structural integrity. Trusted by clients across North America, South America, Europe, and Asia, our product represents a cost-effective solution for well construction.
The pipe features a robust 2mm wall thickness made from high-quality galvanized steel, providing excellent corrosion resistance and durability in harsh underground environments. The circular holes are evenly distributed to achieve a consistent 20% open area, optimizing water intake while minimizing sand and sediment passage. This balance makes it ideal for both temporary dewatering wells and permanent groundwater monitoring installations.
Key technical specifications are as follows:
| Parameter | Value |
| Wall Thickness | 2 mm |
| Open Area | 20% ± 2% |
| Hole Diameter | 6 mm – 12 mm (customizable) |
| Material | Q235 / Q345 Galvanized Steel |
| Pipe Length | 1 m – 6 m (customizable) |
| Outer Diameter | 50 mm – 300 mm (customizable) |
| Connection Type | Threaded / Welded / Coupling |
| Surface Treatment | Hot-Dip Galvanized (≥ 80 μm) |
Product Advantages & Customer Benefits:
- Reliable Filtration Efficiency: The 20% open area ensures high water inflow while effectively filtering out fine particles, reducing pump wear and maintenance costs.
- Exceptional Durability: 2mm wall thickness combined with hot-dip galvanization provides long service life even in corrosive soils or groundwater with high salinity.
- Customizable Dimensions: We offer flexible customization for pipe length, diameter, hole size, and pattern to meet specific project requirements.
- Easy Installation: Available with threaded or welded ends, compatible with standard dewatering well accessories, saving time on site.
- Consistent Quality: All pipes undergo strict quality control including open area measurement, wall thickness check, and galvanization thickness test.
- Versatile Applications: Suitable for construction dewatering, groundwater extraction, water well screens, landfill leachate collection, and more.
Our factory, located in Hengshui, Hebei, China, has been serving the global market since 1998. With an annual export value of US$5 million to US$10 million, we ship to major ports including Tianjin, Qingdao, Shanghai, and Foshan. Our products are trusted by clients in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and Western Europe. We maintain strict quality control from raw material selection to final packaging, ensuring every filter pipe meets your expectations.
Why choose Boli Wiremesh? Our 20+ years of manufacturing experience, competitive pricing, and commitment to customer satisfaction make us a reliable partner for dewatering projects. We offer samples before mass production, flexible payment terms, and professional technical support. Contact us today to discuss your customized filter pipe needs!
Frequently Asked Questions
Q1: What material is used for the filter pipe?
A: The pipe is made from galvanized steel (Q235 or Q345), with hot-dip galvanization for enhanced corrosion resistance. Other materials such as stainless steel are available upon request.
Q2: Can I customize the hole size and pattern?
A: Yes, we offer full customization. The hole diameter can be adjusted from 6mm to 12mm, and the open area can be tailored to your specific filtration needs. Please provide your requirements.
Q3: How is the 20% open area guaranteed?
A: We use precision punching machines and perform random sampling to measure the actual open area. The tolerance is within ±2%, ensuring consistent performance.
Q4: What is the maximum length available?
A: Standard lengths range from 1m to 6m. Longer sections can be produced if needed, but shipping constraints may apply.
Q5: Do you offer samples before bulk order?
A: Yes, we provide samples for quality evaluation. Sample cost is negotiable, and it will be deducted from the final order quantity.
Q6: What is the minimum order quantity (MOQ)?
A: The MOQ is typically 100 pieces for standard sizes, but smaller quantities can be discussed for trial orders.
Q7: How long does the production take?
A: Production time depends on order quantity and customization. Generally, 15-25 working days for a standard 20-foot container.
Q8: What is the pipe's lifespan in dewatering applications?
A: With proper installation and environment, the galvanized pipe can last 5-10 years or more, depending on soil corrosivity and water chemistry. Regular maintenance extends its life.
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