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4-Inch Diameter Galvanized Filter Pipe, Circular-Hole Design for Well Dewatering, 275g/m² Zinc Coating
Product Spotlights
4-inch galvanized filter pipe with 275g/m² zinc coating ensures superior corrosion resistance and long service life. Circular-hole design optimizes water flow while blocking sand. Customizable hole size, length, and connection type. Factory-direct from a manufacturer established in 1998, with annual export of US$5-10M and global shipping from Tianjin, Qingdao, Shanghai, Foshan.
Negotiable
MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Other, galvanized steel
diameter:
4 inches (101.6 mm)
hole type:
circular holes
Payment & Shipping
Payment Methods:
Port of Shipment:
tianjin shanghai qingdao
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, galvanized steel
diameter
4 inches (101.6 mm)
hole type
circular holes
zinc coating weight
275 g/m²
length
customizable (e.g., 1m, 2m, 3m)
application
well dewatering, water filtration
surface treatment
hot-dipped galvanized
connection type
threaded / plain end (optional)
Anping County Boli Hardware Wiremesh Products Factory proudly presents our 4-Inch Diameter Galvanized Filter Pipe with Circular-Hole Design, engineered specifically for efficient well dewatering. With a zinc coating of 275 g/m², this pipe offers superior corrosion resistance, ensuring long-lasting performance in harsh groundwater environments. As a manufacturer with over two decades of experience (since 1998), we combine precision manufacturing with rigorous quality control to deliver a product that meets the strict demands of water well construction, mining, and agricultural irrigation. Our annual export value of US$5–10 million demonstrates global trust in our solutions.
Key Features & Technical Specifications
- Precision Circular Holes: Uniformly spaced round openings (typically 3–10 mm diameter, customizable) ensure optimal water inflow while preventing sand and debris from entering the well.
- Heavy-Duty 275 g/m² Zinc Coating: Hot-dipped galvanized finish provides excellent protection against rust, extending service life even in acidic or saline water conditions.
- Standard 4-Inch (101.6 mm) Outer Diameter: Compatible with common well casing and pump installations, easy to integrate into existing systems.
- Durable Steel Construction: Made from high-quality Q195/Q235 steel strip, offering high strength and resistance to deformation under soil pressure.
- Flexible Length Options: Available in standard lengths of 1m, 2m, 3m, or custom lengths to suit your well depth requirements.
- Multiple Connection Types: Plain ends for welding, or threaded ends for easy coupling – choose according to your installation method.
Technical Parameters Table
| Parameter | Value |
| Outer Diameter | 4 inches (101.6 mm) |
| Wall Thickness | 1.0 – 2.5 mm (customizable) |
| Hole Diameter | 3 mm, 5 mm, 8 mm, 10 mm (or as required) |
| Open Area Ratio | 15% – 30% (depending on hole pattern) |
| Zinc Coating Weight | 275 g/m² (average per side) |
| Material Standard | GB/T 3091, ASTM A53 (optional) |
| Length | 1m, 2m, 3m, or custom cut |
Advantages & Customer Benefits
- Efficient Dewatering: The circular-hole design maximizes water flow while minimizing clogging, reducing pump energy consumption and maintenance downtime.
- Long Service Life: With 275 g/m² zinc coating, the pipe withstands corrosion for 10+ years in most groundwater conditions, lowering replacement costs.
- Easy Installation: Lightweight yet sturdy, compatible with standard well drilling equipment. Optional threaded ends allow quick assembly without welding.
- Customizable to Your Project: We can adjust hole size, pattern, length, and wall thickness to match specific aquifer characteristics and well design.
- Consistent Quality: Every pipe undergoes strict inspection for hole uniformity, coating thickness, and dimensional accuracy – ensuring reliability on site.
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
Since 1998, we have been a dedicated manufacturer of wire mesh and filtration products. Our factory in Hengshui, Hebei, China, is equipped with advanced production lines and experienced technicians. With an annual export value of US$5–10 million, we serve clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our products are shipped from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery worldwide. We pride ourselves on direct factory pricing, strict quality control, and responsive customer service. Whether you need a small trial order or a large-volume container, we are ready to support your project.
Frequently Asked Questions
-
Q: What is the typical hole size for this filter pipe?
A: We offer hole diameters from 3 mm to 10 mm. The most common sizes for well dewatering are 5 mm and 8 mm. You can specify your requirement during ordering. -
Q: Can this pipe be used for both water supply and dewatering?
A: Yes, it is suitable for water supply wells, dewatering wells, and monitoring wells. The circular-hole design allows efficient water intake while filtering out sand and gravel. -
Q: Is the zinc coating uniform on both the inside and outside?
A: Yes, the hot-dip galvanizing process ensures a uniform coating on both the inner and outer surfaces, as well as the edges of the holes, providing full corrosion protection. -
Q: What is the minimum order quantity (MOQ)?
A: For standard sizes, the MOQ is 100 pieces. For custom specifications, please contact our sales team to discuss your requirements. -
Q: Do you provide threaded connections?
A: Yes, we can supply threaded ends (male/female) or plain ends for welding. Threaded connections are available upon request with a standard thread type (e.g., NPT or BSP). -
Q: How long does delivery take?
A: For standard products, production takes 10–15 days after order confirmation. Shipping time depends on the destination and chosen port (e.g., Tianjin or Qingdao). -
Q: Can I get a sample before bulk order?
A: Certainly. We offer sample orders. The sample cost is payable, and we will refund it for bulk orders exceeding a certain quantity. Please contact us for details. -
Q: What is the warranty period?
A: We provide a 12-month warranty against manufacturing defects. For any issues, our technical support team will assist promptly.
Contact us today to discuss your well dewatering requirements. Our experienced team will recommend the best filter pipe specifications for your project. With factory-direct pricing and global shipping, Anping County Boli Hardware Wiremesh Products Factory is your trusted partner for durable water well filtration solutions.
Send Inquiry to This Supplier
Mr. Geng Xiaozhong
Sales Manager
2Yrs
Hengshui, Hebei, China
2Yrs
Business Type
Manufacturer
Year Established
1998
Annual Export Value
US$5 Million - US$10 Million
Product Certifications
Others
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