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Help CenterHelically Perforated Tube 304 SS for Water Treatment Screen, 1.5mm Perforation
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – a trusted manufacturer since 1998, specializing in high-quality perforated metal solutions. Our Helically Perforated Tube 304 SS for Water Treatment Screen with 1.5mm perforation is engineered to deliver superior filtration performance in demanding water treatment environments. Crafted from premium 304 stainless steel, this tube offers excellent corrosion resistance, durability, and precise flow control. Whether you need a robust screen for well water intake, wastewater treatment, or industrial filtration, our product combines advanced helical perforation technology with decades of manufacturing expertise to ensure consistent quality and long service life.
Each tube is produced using a continuous helical perforation process, which creates a uniform pattern of 1.5mm holes spiraling along the length. This design maximizes open area while maintaining structural integrity, allowing efficient water passage and effective solids retention. The 304 stainless steel material provides outstanding resistance to rust, chemicals, and harsh operating conditions, making it ideal for both above-ground and submersible applications. Our factory utilizes precision tooling and strict quality control to ensure every tube meets tight dimensional tolerances and smooth surface finish.
Below is a detailed overview of the product specifications and available options:
| Parameter | Value / Option |
| Material Grade | 304 Stainless Steel (AISI 304) |
| Perforation Diameter | 1.5 mm (0.059 inch) |
| Perforation Pattern | Helical (spiral) – continuous along tube length |
| Open Area Ratio | Approximately 15% – 25% (depends on pitch & pattern) |
| Outer Diameter Range | 12 mm – 219 mm (customizable) |
| Wall Thickness | 0.5 mm – 3.0 mm (customizable) |
| Standard Length | 1 m, 2 m, 3 m, 6 m (or cut to order) |
| End Connection | Plain ends (standard); threaded, flanged, or grooved ends available upon request |
| Surface Treatment | Mill finish, pickling & passivation, or electropolishing (optional) |
| Packaging | Wooden crates, pallets, or bundles with protective wrapping |
Key Features & Benefits:
- Helical Perforation Design: The spiral arrangement of 1.5mm holes ensures uniform distribution of flow and reduces clogging, improving filtration efficiency and extending service life compared to conventional straight-row perforations.
- 304 Stainless Steel Construction: Excellent resistance to corrosion, oxidation, and chemical attack, making it suitable for potable water, seawater, wastewater, and industrial process streams.
- High Structural Integrity: The tube maintains its round shape under pressure and handling, with controlled wall thickness to withstand external loads in deep well or submersible applications.
- Customizable Dimensions: Outer diameter, wall thickness, length, and end fittings can be tailored to your specific system requirements, ensuring a perfect fit with existing equipment.
- Precision Manufacturing: Our factory uses CNC-controlled perforating machines to achieve consistent hole size and spacing, with burr-free edges and smooth inner/outer surfaces.
- Versatile Applications: Ideal for water treatment screens, well screens, intake strainers, filter support tubes, sprinkler systems, and aeration diffusers.
- Easy Installation & Maintenance: Lightweight yet strong, the tubes can be easily cut, welded, or threaded on site. The smooth surface reduces algae and bacterial adhesion.
- Cost-Effective Solution: By optimizing the open area and using durable material, our tubes reduce the need for frequent replacements, lowering overall operational costs.
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
- Over 25 years of manufacturing experience (established in 1998), with a strong reputation for quality and reliability.
- Annual export value between US$5 Million – US$10 Million, serving customers in North America, South America, Europe, Asia, Africa, Oceania, and the Middle East.
- Flexible shipping options from major Chinese ports: Tianjin, Qingdao, Shanghai, Foshan.
- Dedicated quality control team ensures every batch meets international standards (ISO 9001 quality management system in place – certified).
- We offer sample testing, technical support, and after-sales service to ensure your satisfaction.
- Our factory is located in Hengshui, Hebei, China – the “Wire Mesh Capital” with abundant raw material supply and skilled labor.
We understand that every water treatment project has unique requirements. That’s why we provide full customization options, from hole size to tube length, and can produce small prototype runs or large-volume orders. Contact us today to discuss your specific needs and receive a competitive quotation.
Frequently Asked Questions (FAQ)
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Q: What is the difference between helical perforation and straight-row perforation?
A: Helical perforation arranges the holes in a continuous spiral along the tube, which distributes the open area more evenly and reduces the risk of clogging. Straight-row patterns create aligned rows that can cause flow channeling and preferential fouling. Helical design also improves the mechanical strength of the tube. -
Q: Can this tube be used for submersible well screens?
A: Yes, the 304 stainless steel helical perforated tube is suitable for submersible well screens used in groundwater extraction, dewatering, and irrigation. The 1.5mm perforation size is effective for fine sand and silt retention. We can also provide optional slotted or wedge-wire screens for specific applications. -
Q: What is the maximum operating temperature for this tube?
A: 304 stainless steel can withstand continuous service temperatures up to approximately 870°C (1600°F) in oxidizing environments, but for water treatment applications, the typical temperature range is 0°C to 100°C. Please consult us if your application involves higher temperatures or aggressive chemicals. -
Q: Do you offer custom sizes beyond the listed range?
A: Yes, we can produce tubes with outer diameters from 12 mm to 219 mm, wall thickness from 0.5 mm to 3.0 mm, and any length up to 6 meters. For larger diameters or thicker walls, please contact us with your requirements. -
Q: How is the tube packaged to prevent damage during shipping?
A: We pack the tubes in sturdy wooden crates or pallets, with each tube individually wrapped in protective film and separated by foam or cardboard. For small orders, we use cardboard tubes or bubble wrap. The packaging is designed to withstand long-distance sea freight and handling. -
Q: Can you provide a sample before placing a bulk order?
A: Yes, we offer sample tubes (usually 300mm long) for your evaluation. The sample cost is reasonable, and we will deduct it from the final order. Freight is at your cost. Please contact our sales team to arrange a sample. -
Q: What is the typical lead time for a standard order?
A: For standard sizes (e.g., 1m or 2m lengths, plain ends), the lead time is approximately 15-20 working days after confirmation of order and payment. Custom sizes or special end connections may require 25-30 working days. We always provide an accurate lead time with your quotation. -
Q: Is this product suitable for food-grade applications?
A: 304 stainless steel is generally recognized as food-grade (FDA compliant) when properly processed. However, we recommend specifying “food-grade surface finish” if you require extra smoothness and absence of contaminants. We can provide additional surface treatment upon request.
Contact us today to get a quote or request a sample! Our team is ready to help you with technical advice and competitive pricing. With over two decades of experience and a global export network, Anping County Boli Hardware Wiremesh Products Factory is your reliable partner for high-quality perforated tubes.
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