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Help CenterWell Screen for Geothermal Well 304 Stainless Steel 0.8mm Slot Width
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – a trusted manufacturer with over 25 years of experience in wire mesh and screen solutions. Since our establishment in 1998, we have been dedicated to providing high-quality filtration products for global clients. Our Well Screen for Geothermal Well – 304 Stainless Steel, 0.8mm Slot Width is designed specifically to meet the demanding requirements of geothermal and water well applications. This screen combines superior corrosion resistance, precise slot dimensions, and robust construction to ensure long-lasting performance in harsh underground environments.
Geothermal wells require screens that can withstand high temperatures, acidic fluids, and continuous flow. Our 304 stainless steel well screen with a 0.8mm slot width offers an optimal balance between open area for water intake and structural integrity. The continuous slot (V-wire) design provides a smooth inner surface, minimizing clogging and allowing efficient flow. Each screen is manufactured to precise tolerances, ensuring consistent slot width and reliable sand control.
Key Features & Specifications
- Material: 304 Stainless Steel (excellent corrosion resistance in neutral and mildly acidic environments)
- Slot Width: 0.8 mm (customizable from 0.1 mm to 10 mm upon request)
- Screen Type: Continuous V-wire wrapped on longitudinal rods, spot-welded for strength
- Open Area: Typically 30%–60% depending on slot width and wire diameter
- Diameter Range: 2 inches (50 mm) to 24 inches (600 mm) – customizable
- Length: Single sections up to 6 meters, with threaded or welded joints for longer screens
- End Connections: Threaded (NPT, API), flanged, or plain ends for welding
- Surface Finish: Pickled and passivated for enhanced corrosion resistance
| Parameter | Value |
|---|---|
| Material Grade | 304 Stainless Steel (AISI 304) |
| Slot Width | 0.8 mm ± 0.05 mm |
| Wire Diameter (Profile) | 2.0 mm – 4.0 mm (customizable) |
| Rod Diameter | 5.0 mm – 10 mm |
| Max Operating Temperature | Up to 400°C (in non-oxidizing conditions) |
| Slot Orientation | Longitudinal (parallel to flow) |
Product Advantages
- Superior Sand Control: The 0.8mm slot width effectively filters out fine sand and gravel particles while maintaining high water flow. This reduces erosion of pumps and surface equipment.
- High Corrosion Resistance: 304 stainless steel provides excellent resistance to groundwater chemistry, including chlorides, sulfates, and low pH levels commonly found in geothermal basins.
- Long Service Life: Continuous slot design eliminates sharp edges and reduces scaling. The screen can be easily cleaned by backwashing or chemical treatment.
- Customizable Dimensions: We offer diameters from 2" to 24" and lengths up to 6m per section. Custom end connections (threaded, flanged, welded) are available to match your well casing.
- Precision Manufacturing: Every screen is produced using advanced CNC welding machines, ensuring consistent slot width and uniform strength. Tolerances are maintained within ±0.05mm.
- Cost-Effective: Compared to higher-grade alloys like 316L, 304 offers a good balance of performance and economy for typical geothermal wells with moderate aggressiveness.
Applications
- Geothermal production and injection wells
- Deep water wells for municipal and industrial supply
- Dewatering wells for construction and mining
- Horizontal directional drilling (HDD) screens
- Gas well dewatering and sand control
Trust & Reliability – Why Choose Anping Boli?
As a manufacturer with over 25 years of industry experience (since 1998), we have exported to more than 20 countries across North America, South America, Europe, Southeast Asia, Africa, and Oceania. Our annual export value exceeds US$5 million, reflecting the global trust in our products. We ship from multiple ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery. Our team is committed to providing rigorous quality control at every stage – from raw material inspection to final packaging. We do not claim unverified certifications, but we welcome third-party inspection or factory audits. Contact us for customized solutions, samples, or technical support. We are confident that our 304 stainless steel well screen with 0.8mm slot width will meet your geothermal well requirements efficiently and durably.
Frequently Asked Questions (FAQ)
-
Q: What is the maximum temperature this screen can withstand?
A: 304 stainless steel can operate continuously up to 400°C in non-oxidizing environments. For geothermal fluids with high oxidizing agents, please consult our engineers for material recommendations. -
Q: Can I get a sample before ordering in bulk?
A: Yes, we offer samples of small sections (e.g., 300mm length) for evaluation. Sample cost and shipping are negotiable; please contact us. -
Q: How is the slot width measured and guaranteed?
A: Each screen is measured using a feeler gauge or laser micrometer during production. We guarantee slot width tolerance of ±0.05mm. Third-party inspection is welcome. -
Q: What end connections are available?
A: We can provide threaded ends (NPT, API, BSP), flanged ends, or plain ends for welding. Custom adapters are also available. Please specify your casing size and connection type. -
Q: How do you package the screens for export?
A: Screens are packed in bundles with wooden crates or steel frames, protected by plastic film and straps. For long lengths, we use sea-worthy wooden boxes. Inner packaging includes foam padding to prevent damage. -
Q: What is the typical lead time?
A: For standard sizes and quantities under 100 pieces, lead time is 15–20 working days. Custom orders may require 25–30 days. We offer expedited delivery for urgent projects. -
Q: Can this screen be used for horizontal wells?
A: Yes, our continuous slot screen is suitable for horizontal directional drilling (HDD) applications. The flexible design and robust welding allow it to withstand bending during installation. Please inform us of the well profile for proper reinforcement. -
Q: Is 304 stainless steel suitable for geothermal brine with high chloride content?
A: 304 has limited resistance to chloride stress corrosion cracking. For chloride levels above 200 ppm or temperatures above 60°C, we recommend 316L or duplex stainless steel. Contact us with your water analysis for a material recommendation.
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