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Help CenterGalvanized Circular-Hole Filter Pipe for Dewatering Wells, 20mm Hole Diameter, Welded Joints
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a professional manufacturer specializing in filtration solutions. Our Galvanized Circular-Hole Filter Pipe for Dewatering Wells with a 20mm hole diameter and welded joints is engineered to deliver reliable performance in groundwater control and dewatering applications. The pipe combines robust construction with efficient water intake, ensuring long service life even in harsh conditions. With over two decades of manufacturing experience, we provide a product that meets the rigorous demands of construction, mining, and environmental projects.
This filter pipe is manufactured from high-quality galvanized steel, offering excellent corrosion resistance. The precisely punched circular holes (20mm diameter) allow for optimal water flow while preventing soil and sand ingress. The welded joints ensure structural integrity, eliminating weak points common in threaded or coupled connections. Each pipe is hot-dip galvanized after fabrication to provide a uniform protective coating, extending the product's lifespan in underground and wet environments.
Key Features
- Superior Corrosion Resistance: Hot-dip galvanized surface protects against rust and chemical attack, ideal for long-term use in dewatering wells.
- High Flow Efficiency: 20mm circular holes provide a large open area, reducing head loss and allowing rapid groundwater extraction.
- Strong Welded Construction: Welded joints create a continuous, leak-proof structure that withstands high pressure and soil loads.
- Customizable Dimensions: Available in various lengths and pipe diameters to suit specific well designs and project requirements.
- Uniform Hole Pattern: Precision punching ensures consistent hole spacing and size, promoting even water distribution and filter performance.
- Easy Installation: Lightweight yet sturdy design simplifies handling and assembly on-site, reducing labor costs.
Technical Specifications
| Parameter | Value |
|---|---|
| Material | Galvanized Steel (Q235 or equivalent) |
| Hole Diameter | 20mm |
| Joint Type | Welded (full circumference) |
| Surface Treatment | Hot-dip galvanized (≥85μm thickness) |
| Open Area Ratio | Approximately 25-35% (depending on pipe diameter) |
| Pipe Diameter Range | 50mm – 300mm (customizable) |
| Standard Length | 3m, 6m, or custom lengths |
| Tensile Strength | ≥370 MPa |
Applications
- Dewatering Wells: Used in construction sites to lower groundwater levels for excavation and foundation work.
- Water Supply Wells: Suitable for extracting groundwater in agricultural, municipal, and industrial settings.
- Horizontal Directional Drilling (HDD): Serves as a filter element in well screens for HDD dewatering systems.
- Environmental Remediation: Installed in monitoring wells and extraction wells for groundwater cleanup projects.
- Mining & Quarrying: Effective for dewatering operations in open-pit mines and underground workings.
Benefits for Customers
- Reduced Maintenance: The galvanized coating resists rust and biofouling, minimizing cleaning and replacement needs.
- Improved Pump Efficiency: A high open area allows pumps to operate at lower suction head, reducing energy consumption.
- Longer Service Life: Welded joints eliminate leakage points, preventing premature failure and extending well life.
- Cost-Effective: Competitive pricing combined with durability offers excellent return on investment for large-scale projects.
- Versatile Installation: Can be used in both vertical and horizontal wells, adaptable to various ground conditions.
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
Since our founding in 1998, we have focused on manufacturing high-quality wire mesh and filtration products. Our annual export value of US$5 million – US$10 million reflects our strong global presence, with shipments to major ports including Tianjin, Qingdao, Shanghai, and Foshan. We serve clients across North America, South America, Europe, Asia, Africa, and Oceania. With decades of expertise, strict quality control, and a commitment to customer satisfaction, we deliver products that meet the highest standards. Our factory in Hengshui, Hebei, China is equipped with advanced punching and welding machinery, ensuring precision and consistency in every batch.
We invite you to experience the reliability of our galvanized circular-hole filter pipe. Whether you need a standard size or a custom solution, our team is ready to assist. Contact us today for a quote or technical consultation. Let us help you achieve efficient and durable dewatering systems.
Frequently Asked Questions (FAQ)
Q1: What is the typical lead time for this filter pipe?
A: Standard sizes (e.g., 3m length, 100mm diameter) are usually shipped within 15-20 working days after order confirmation. Custom orders may require additional time depending on specifications.
Q2: Can the hole diameter be customized to other sizes?
A: Yes, we offer customization for hole diameters from 10mm to 50mm. Please contact us with your specific requirements.
Q3: Is the welded joint as strong as the pipe body?
A: Yes, our welding process is performed by skilled technicians using automated equipment, ensuring the joint strength is comparable to the base material. The weld is fully penetrated and free of defects.
Q4: How does the galvanized coating perform in acidic or saline groundwater?
A: Hot-dip galvanizing provides excellent resistance to most natural groundwater conditions. For highly aggressive environments, we recommend additional coatings or a stainless steel alternative – please consult our technical team.
Q5: What is the maximum well depth this pipe can be used for?
A: The pipe can be used in wells up to 200 meters deep, depending on pipe diameter and wall thickness. For deeper wells, we can reinforce the design. Contact us for detailed engineering support.
Q6: Do you provide samples for testing?
A: Yes, we can provide small samples (e.g., 300mm length) for evaluation. The sample cost and shipping are negotiable. Please reach out to arrange.
Q7: How is the pipe packaged for export?
A: Pipes are bundled with steel straps, wrapped in waterproof fabric, and packed in wooden crates or pallets for sea freight. Custom packaging is available upon request.
Q8: Can the filter pipe be used in horizontal wells?
A: Absolutely. Our welded construction and uniform hole pattern make it suitable for horizontal directional drilling (HDD) applications. We can also provide special end connectors for horizontal installation.
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