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Help CenterFor Foundation Dewatering: Galvanized Circular-Hole Filter Pipe, 4-inch Diameter, 2mm Wall
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Anping County Boli Hardware Wiremesh Products Factory, with over two decades of manufacturing excellence since 1998, proudly presents our premium Galvanized Circular-Hole Filter Pipe specifically engineered for foundation dewatering applications. This 4-inch diameter, 2mm wall thickness pipe is designed to deliver reliable groundwater control in construction, mining, and civil engineering projects, ensuring efficient water removal while maintaining structural integrity. Our factory combines advanced production techniques with rigorous quality control to offer you a product that stands the test of demanding environments.
Understanding the critical role of dewatering in foundation stability, this filter pipe features precisely punched circular holes that optimize water inflow while preventing soil migration. The hot-dip galvanized coating provides exceptional corrosion resistance, extending service life even in aggressive groundwater conditions. Whether you are managing a deep excavation or a shallow foundation, our pipe is engineered to perform consistently.
Below are the key technical specifications and features of our product:
| Parameter | Specification |
|---|---|
| Diameter | 4 inches (101.6 mm) – standard, other sizes available upon request |
| Wall Thickness | 2 mm |
| Hole Pattern | Circular holes, staggered arrangement for uniform flow |
| Hole Diameter | Customizable – typically 3 mm, 5 mm, or 8 mm to suit soil conditions |
| Length | Standard 6 meters, custom lengths available (e.g., 3 m, 9 m) |
| Material | Q235 steel, hot-dip galvanized (average coating weight ≥ 200 g/m²) |
| Connection Type | Threaded ends or welded couplings, optional |
| Application | Foundation dewatering, slope stabilization, groundwater control, wellpoint systems |
Product Features & Benefits:
- High Corrosion Resistance: The hot-dip galvanized layer protects against rust and chemical attack, ensuring long-term performance in wet and acidic soils.
- Precise Hole Geometry: CNC-punched circular holes with smooth edges reduce clogging and improve water flow efficiency, lowering pump energy consumption.
- Structural Strength: 2mm wall thickness combined with high-quality steel provides excellent collapse resistance, suitable for deep excavations up to 20 meters or more.
- Customizable Configurations: We offer a range of hole diameters, slot patterns, and end connections to match your specific dewatering design requirements.
- Easy Installation: Lightweight yet robust design allows for quick handling and connection. Threaded ends enable fast assembly without welding.
- Versatile Compatibility: Works seamlessly with standard wellpoint headers, pumps, and dewatering systems from major manufacturers.
- Cost-Effective: Extended service life reduces replacement frequency, lowering total project cost.
Our factory, Anping County Boli Hardware Wiremesh Products Factory, has been a trusted manufacturer in the wire mesh and pipe industry since 1998. With an annual export value exceeding US$5 Million to US$10 Million, we supply products to markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and Asia. Our products are shipped from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery worldwide.
We understand that foundation dewatering is critical for project safety and timelines. That is why each filter pipe undergoes strict quality checks – from material tensile strength to galvanized coating uniformity – to guarantee reliable performance. Our team of experienced engineers can also provide technical support to help you select the optimal hole size and length for your soil conditions.
Why Choose Anping Boli?
- Over 26 years of manufacturing expertise (est. 1998).
- Exports to over 20 countries and regions globally.
- Flexible customization: ODM and OEM accepted.
- Competitive pricing with factory-direct supply.
- Responsive customer service with fast lead times.
We invite you to experience the reliability of our Galvanized Circular-Hole Filter Pipe for your next dewatering project. Contact us today for a quote or to discuss your specific requirements. Our sales team is ready to assist you with sample requests, technical datasheets, and bulk order inquiries.
Frequently Asked Questions
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Q: What is the standard hole diameter for this filter pipe?
A: The hole diameter is customizable. Common options are 3 mm, 5 mm, and 8 mm. We recommend selecting based on your soil grain size to prevent sand pumping. -
Q: How long does the galvanized coating last in aggressive groundwater?
A: The hot-dip galvanized coating typically provides 20–30 years of corrosion protection in neutral pH conditions. In acidic or chloride-rich environments, service life may be reduced; we can advise on additional coatings if needed. -
Q: Can you supply pipes longer than 6 meters?
A: Yes, we can produce custom lengths up to 12 meters, subject to transportation constraints. Please specify your requirement when ordering. -
Q: What is the maximum dewatering depth this pipe can handle?
A: With 2mm wall thickness, it is suitable for depths up to 20 meters under normal conditions. For deeper applications, we recommend thicker walls (e.g., 3mm) – please consult our engineering team. -
Q: How are the pipes connected to each other?
A: We offer threaded ends with male/female couplings for easy connection. Alternatively, welded joints can be used. Both options are available. -
Q: Do you provide samples for testing?
A: Yes, we offer sample pipes (typically 1 meter length) at cost or free for established partners. Contact us for details. -
Q: What is the minimum order quantity?
A: For standard sizes, the MOQ is 100 meters. Custom sizes may have higher MOQ. We are flexible for trial orders. -
Q: How is the pipe packed for export?
A: Pipes are bundled with steel straps, wrapped in waterproof plastic, and packed in sea-worthy bundles or pallets as per your requirements.
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