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Help CenterGalvanized Circular-Hole Filter Pipe for Dewatering Wells With 1-Year Warranty and Mill Test Report
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At Anping County Boli Hardware Wiremesh Products Factory, we bring over two decades of manufacturing expertise to the dewatering industry. Established in 1998, our factory has become a trusted supplier of Galvanized Circular-Hole Filter Pipe, designed specifically for dewatering wells. With an annual export value of US$5–10 million and shipments to major ports including Tianjin, Qingdao, and Shanghai, our products are used in demanding environments across North America, South America, Europe, Africa, and beyond. This filter pipe is engineered to deliver reliable groundwater extraction, combining robust galvanized construction with precision round perforations for optimal flow and filtration. Backed by a 1-year warranty and a comprehensive Mill Test Report, it offers the performance assurance you need for critical dewatering projects.
Product Features & Benefits
- Hot-Dip Galvanized Finish: Provides superior corrosion resistance in both fresh and saline groundwater environments, extending service life significantly compared to untreated steel.
- Precision Circular Holes: Uniform round openings minimize clogging and ensure consistent water flow, while effectively filtering out sand and fine particles.
- High Structural Strength: Manufactured from heavy-gauge galvanized steel with rolled or welded construction, capable of withstanding high soil and hydrostatic pressures in deep wells.
- Customizable Dimensions: Available in diameters from 1 inch to 12 inches, lengths up to 6 meters, and wall thicknesses from 1.0 mm to 6.0 mm to meet specific project requirements.
- Open Area Ratio Options: Standard open area from 10% to 30% can be adjusted based on aquifer characteristics and desired flow rate.
- Complete Documentation: Every order includes a Mill Test Report certifying material composition and mechanical properties, ensuring traceability and quality control.
- Easy Installation: Threaded or plain ends available for simple connection to well casing and screen sections, reducing on-site labor time.
Technical Specifications
| Parameter | Standard Range | Custom Options |
|---|---|---|
| Outer Diameter | 1" – 12" (25mm – 305mm) | Available upon request |
| Wall Thickness | 1.0mm – 6.0mm | Customizable |
| Hole Diameter | 2mm – 20mm (circular) | Customizable |
| Open Area Ratio | 10% – 30% | Customizable |
| Length | 1m – 6m (per piece) | Custom lengths |
| End Connection | Plain end, threaded, or grooved | As per specification |
| Material Grade | Q235, Q345, or equivalent | Mill Test Report provided |
Why Choose Our Galvanized Filter Pipe?
- 20+ Years of Manufacturing Experience: Since 1998, we have honed our production processes to deliver consistent quality.
- Global Export Reach: We ship to North America, South America, Europe, Africa, Oceania, and Asia, meeting diverse market standards.
- Factory-Direct Pricing: Eliminate middlemen and enjoy competitive pricing with full control over production.
- Rigorous Quality Control: Each pipe undergoes inspection for hole accuracy, galvanizing thickness, and mechanical strength.
- After-Sales Support: Our team provides technical guidance on pipe selection, installation, and maintenance.
With an annual export value of US$5–10 million and a presence in over a dozen major markets worldwide, Anping County Boli Hardware Wiremesh Products Factory is your reliable partner for dewatering solutions. Our Galvanized Circular-Hole Filter Pipe is backed by a 1-year warranty and a Mill Test Report to ensure your investment is protected. Contact us today to discuss your project requirements and receive a customized quotation. We are ready to support your next dewatering well project with high-quality products and professional service.
Frequently Asked Questions (FAQ)
-
Q: What material is the filter pipe made of?
A: The pipe is manufactured from high-quality carbon steel (grades Q235 or Q345) and then hot-dip galvanized to provide excellent corrosion resistance. The exact material composition is detailed in the Mill Test Report included with each order. -
Q: Can I customize the hole diameter and open area ratio?
A: Yes, both the hole diameter and open area ratio are customizable. We can produce circular holes from 2mm to 20mm and adjust the open area from 10% to 30% based on your aquifer conditions and flow requirements. -
Q: What is the maximum length available for a single pipe?
A: Standard lengths are 1m to 6m. Longer lengths can be special ordered, but please consult with our sales team to discuss feasibility and shipping constraints. -
Q: Does the 1-year warranty cover all defects?
A: The warranty covers manufacturing defects in materials and workmanship under normal operating conditions. It does not cover damage caused by improper installation, extreme chemical exposure, or mechanical abuse. Please refer to our warranty policy for full details. -
Q: Is the Mill Test Report available for every shipment?
A: Yes, we provide a Mill Test Report (MTR) for each production batch, certifying chemical composition and mechanical properties. This document is included with your order at no extra charge. -
Q: What types of dewatering wells are these pipes suitable for?
A: These pipes are ideal for foundation dewatering, groundwater lowering, wellpoint systems, and water supply wells. They perform well in sandy, silty, and gravelly aquifers when proper slot size is selected. -
Q: How do I ensure the correct pipe size for my project?
A: Selection depends on well depth, flow rate, and soil conditions. We recommend consulting with a hydrogeologist or our technical team. We can provide guidance based on your project parameters. -
Q: What is the typical lead time for custom orders?
A: For standard sizes, lead time is 15–20 working days. Custom orders may require 25–30 working days depending on complexity. We work to meet your project schedule.
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