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Help CenterWedge Wire Filter for Sand Control in Water Well Drilling 0.2mm Slot 304
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As a leading manufacturer from Anping County Boli Hardware Wiremesh Products Factory, established in 1998, we specialize in producing high-quality wedge wire filters for water well drilling applications. Our Wedge Wire Filter for Sand Control 0.2mm Slot 304 is designed to effectively prevent sand and fine particles from entering the well pump, ensuring stable water production and extended equipment life. With an annual export value of US$5 million to US$10 million, our products are trusted across North America, South America, Europe, Africa, and Oceania.
This filter is crafted from premium 304 stainless steel, offering excellent corrosion resistance and durability in harsh groundwater environments. The precise 0.2mm continuous slot is achieved through advanced wedge wire winding technology, providing uniform filtration and high open area for efficient water flow. Whether you are drilling a new well or rehabilitating an existing one, our filter delivers reliable sand control performance.
Key Features & Technical Specifications
- Material: 304 Stainless Steel – resistant to rust, corrosion, and chemical attack, suitable for potable water, industrial, and agricultural wells.
- Slot Width: 0.2mm (±0.02mm tolerance) – effectively blocks sand particles while allowing high water inflow.
- High Open Area: Up to 40% open area minimizes pressure drop and maximizes well yield.
- V-Shaped Slot: Self-cleaning design prevents clogging and facilitates backwashing.
- Strength & Rigidity: Welded wedge wire construction provides high structural strength to withstand formation pressure and installation stress.
- Customizable Dimensions: Outer diameter from 50mm to 500mm, length from 1m to 6m, or as per your requirements.
- Connection Options: Threaded ends, welding ends, or flanged connections available.
- Surface Finish: Pickled and passivated for enhanced corrosion resistance; optional polished finish.
| Parameter | Standard Value | Alternative Options |
|---|---|---|
| Material Grade | 304 Stainless Steel | 316L, 904L (upon request) |
| Slot Width | 0.2 mm (0.008 inch) | 0.1mm, 0.3mm, 0.5mm, etc. |
| Outer Diameter | Custom (e.g., 100mm, 150mm) | 50mm – 500mm |
| Length | Custom (e.g., 3m, 6m) | 1m – 6m, or longer sections |
| Open Area | Up to 40% | Depends on slot/diameter ratio |
| Tensile Strength | ≥520 MPa (304 SS) | Higher for 316L |
Benefits for Your Water Well Project
- Effective Sand Control: The 0.2mm slot precisely filters out fine sand and silt, reducing pump wear and maintenance costs.
- High Flow Efficiency: Large open area and V-shaped slot design allow maximum water intake with minimal resistance.
- Long Service Life: 304 stainless steel resists corrosion from groundwater, chemicals, and chlorides, lasting for decades.
- Easy Installation: Lightweight yet strong, can be lowered into the well with standard rigs; multiple connection options simplify integration.
- Customizable to Your Needs: We offer tailor-made dimensions, slot widths, and end connections to match your well casing and aquifer conditions.
Trust & Reliability
With over 25 years of manufacturing experience (since 1998), Anping County Boli Hardware Wiremesh Products Factory is a trusted supplier to global water well drilling contractors. Our annual export value of US$5–10 million reflects our consistent quality and customer satisfaction. We serve clients in North America, South America, Europe, Africa, Oceania, and Asia, delivering products that meet international standards. Each wedge wire filter undergoes strict quality control, including slot width measurement and pressure testing, before shipment.
We are committed to providing competitive pricing, fast delivery (from Tianjin, Qingdao, Shanghai, or Foshan ports), and responsive technical support. Whether you need a single filter or a bulk order for a large-scale project, we are ready to assist. Contact us today for a quote or to discuss your specific requirements.
Frequently Asked Questions
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Q: Is the 304 stainless steel suitable for brackish water or saline aquifers?
A: 304 SS offers good corrosion resistance in fresh water and mildly saline conditions. For high chloride or brackish water, we recommend 316L or 904L stainless steel, which are available upon request. -
Q: How precise is the 0.2mm slot width?
A: Our manufacturing process ensures a tolerance of ±0.02mm. Each filter is inspected with feeler gauges to guarantee consistent slot size. -
Q: Can I get a custom length or diameter?
A: Yes, we offer full customization. You can specify outer diameter (50–500mm), length (1–6m), and end connections. Please provide your well casing details for optimal fit. -
Q: What is the typical lead time for production?
A: For standard sizes, lead time is 7–15 days after order confirmation. Custom orders may take 15–25 days, depending on quantity and complexity. -
Q: How do I install the filter in the well?
A: The filter can be lowered using a drill pipe or casing centralizer. We provide threaded or welded ends to match your existing string. Detailed installation guidance is available upon request. -
Q: Does the filter require any special maintenance?
A: Minimal maintenance. The V-shaped slot design allows self-cleaning during backwashing. Periodic inspection for physical damage is recommended. -
Q: What is the minimum order quantity (MOQ)?
A: Our MOQ is 10 pieces for standard sizes. For custom designs, MOQ may be 5 pieces. Smaller trial orders are negotiable. -
Q: Do you offer samples for testing?
A: Yes, we can provide sample filters (small size) for evaluation. Sample cost and shipping are discussed during inquiry.
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