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Help CenterStraight Seam Welded Perforated Pipe for Water Well Screen, 304 SS, 2mm Slot Width, 1 Year Warranty
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Straight Seam Welded Perforated Pipe for Water Well Screen – manufactured by Anping County Boli Hardware Wiremesh Products Factory, a trusted Chinese manufacturer established in 1998 with annual export value exceeding US$5 million. Our 304 stainless steel well screen pipes are precision-engineered with a 2mm slot width, offering reliable performance in groundwater extraction, dewatering, and filtration applications. With over two decades of experience, we deliver durable, corrosion-resistant solutions that meet the demanding needs of water well contractors worldwide.
Key Features & Advantages
- Material Excellence: Made from 304 stainless steel, providing excellent corrosion resistance against chloride, brackish water, and chemical environments. Ideal for long-term well service life.
- Precision Slot Width: 2mm slot width ensures efficient water intake while minimizing sand and sediment infiltration. Slot tolerance within ±0.1mm for consistent performance.
- Straight Seam Welded Construction: Continuous longitudinal welding ensures high structural strength and uniform slot distribution. Welds are fully penetrated and smooth, reducing pressure drop.
- Customizable Dimensions: Available in various diameters (2" to 12" or custom), lengths (up to 6m per section), and wall thicknesses (1.5mm to 6mm) to suit different well depths and flow rates.
- Enhanced Open Area: Optimized slot pattern provides maximum open area without compromising pipe strength, improving water yield and reducing drawdown.
- 1-Year Warranty: Backed by a comprehensive warranty covering manufacturing defects, giving you peace of mind in field operations.
Technical Specifications
| Material | 304 Stainless Steel (UNS S30400) |
| Slot Width | 2mm (0.079 inch) – other widths available upon request |
| Pipe Diameter Range | 2" (50mm) to 12" (300mm) – custom sizes negotiable |
| Wall Thickness | 1.5mm – 6mm (optional) |
| Standard Length | 3m, 6m, or customized per project |
| Connection Type | Plain end, threaded, or grooved (customizable) |
| Surface Finish | Mill finish, pickled, or polished as required |
Detailed Product Description
Our straight seam welded perforated pipe is specifically designed for water well screen applications. The 2mm slot width is carefully selected to balance water inflow and sand control, making it suitable for sandy aquifers and alluvial formations. The welding process follows strict quality control: each longitudinal seam is inspected for integrity, and the slots are punched with precision dies to ensure uniform shape and size. The 304 stainless steel grade offers excellent resistance to rust and chemical attack, even in acidic or saline groundwater conditions, extending the service life of the well screen significantly compared to carbon steel alternatives.
One of the standout advantages of our design is the high open area ratio – typically ranging from 30% to 50% depending on slot pattern and pipe diameter. This allows higher water flow rates with lower head loss, improving pump efficiency. The straight seam welding provides a smooth internal surface that reduces friction and prevents clogging. Additionally, the pipe can be customized with different slot lengths, spacing, and arrangements to meet specific hydrogeological conditions.
We offer free technical consultation to help you select the optimal slot width, diameter, and length for your well project. Our factory uses advanced CNC punching machines and automated welding lines to ensure consistent quality across large volumes. Each pipe is pressure-tested and visually inspected before packaging.
Trust & Reliability
Anping County Boli Hardware Wiremesh Products Factory has been a dedicated manufacturer of wire mesh and perforated metal products since 1998. Our annual export value of US$5–10 million reflects our strong presence in global markets, including North America, South America, Europe, Southeast Asia, Africa, and Oceania. We ship from major Chinese ports such as Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery. With a skilled team and continuous investment in production technology, we pride ourselves on delivering products that meet international standards. Our 1-year warranty is a testament to our confidence in the durability and performance of our well screen pipes. Contact us today for a quote or to discuss your custom requirements.
Frequently Asked Questions
Q1: What is the difference between straight seam welded and spiral welded perforated pipes?
A: Straight seam welded pipes have a single longitudinal weld, offering higher strength and smoother inner surface, ideal for water well screens where uniform slot distribution is critical. Spiral welded pipes are better for large diameters but may have more weld lines.
Q2: Can the slot width be customized for different sand conditions?
A: Yes, we offer slot widths from 0.5mm to 5mm. Our technical team can analyze your aquifer's sand particle size distribution to recommend the optimal width.
Q3: How long does the 304 stainless steel well screen last?
A: In typical groundwater conditions (pH 6.5–8.5, chloride
Q4: Are these pipes suitable for deep wells (over 300m)?
A: Yes, with proper wall thickness and diameter selection. Our pipes can be manufactured with thicker walls (up to 6mm) to withstand high collapse pressures. Please provide your well depth and casing specifications for a structural calculation.
Q5: What packing and shipping methods do you use?
A: Pipes are bundled with steel straps, wrapped in water-resistant material, and loaded into containers. For fragile edges, we add protective cushions. We can also arrange fumigation-free wooden crates for overseas shipments.
Q6: Do you provide samples for testing?
A: Yes, we offer small samples (e.g., 30cm length) for a nominal fee, which is refundable for bulk orders. Please contact us to arrange sample delivery.
Q7: What is the minimum order quantity (MOQ)?
A: MOQ is typically 100 pieces for standard sizes, but we can negotiate smaller quantities for custom projects or trial orders.
Q8: How do you ensure the slot width accuracy?
A: Our CNC punching machines have a tolerance of ±0.05mm. Each batch is checked with a slot gauge and caliper, and we maintain a quality inspection report for every production lot.
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