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Help Center316L Stainless Steel Helically Perforated Tube, 3mm Pitch, 1.5m Length, 50mm OD for High Pressure Applications
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Anping County Boli Hardware Wiremesh Products Factory (Est. 1998) is proud to present our 316L Stainless Steel Helically Perforated Tube with a 3mm pitch, 1.5m length, and 50mm outer diameter, engineered specifically for demanding high-pressure applications. As a manufacturer with over two decades of experience and an annual export value of US$5–10 million, we deliver precision and reliability that global markets trust. This tube combines the corrosion resistance of 316L stainless steel with a unique helical perforation pattern, ensuring uniform fluid distribution and structural integrity under extreme conditions. Whether you need filtration, gas dispersion, or pressure vessel internals, our product meets rigorous industrial standards.
Key Features & Technical Specifications
- Superior Material: Grade 316L stainless steel offers excellent resistance to chlorides, acids, and high-temperature environments, making it ideal for chemical, petrochemical, and marine industries.
- Helical Perforation Design: The spiral slots (3mm pitch) provide a self-cleaning effect, reduce clogging, and maintain consistent flow rates even at high pressures.
- Precision Dimensions: 50mm OD with tight tolerances; 1.5m length can be cut or customized per your requirements.
- High Pressure Capability: Manufactured with reinforced wall thickness options (available upon request) to withstand internal pressures up to 20 MPa (depending on wall thickness).
- Versatile End Connections: Can be supplied with threaded ends, flanges, or plain ends for welding – all customizable to your system.
- Consistent Slot Pattern: CNC-controlled laser or mechanical punching ensures uniform slot width and pitch, minimizing pressure drop and maximizing efficiency.
Typical Applications
| Industry | Application | Benefit |
|---|---|---|
| Oil & Gas | Sand control screens, downhole filters | High strength and corrosion resistance under downhole pressure |
| Chemical Processing | Catalyst support grids, distributor tubes | Uniform flow distribution, chemical inertness |
| Water Treatment | Aeration diffusers, intake strainers | Self-cleaning slots reduce maintenance |
| Food & Beverage | Filtration of syrups, oils, beverages | 316L meets food-grade requirements, easy to clean |
Why Choose Our Helically Perforated Tube?
- Customizable Dimensions: We offer lengths from 0.5m to 6m, OD from 20mm to 200mm, and pitch options from 1mm to 10mm. Tell us your needs.
- Rigorous Quality Control: Every tube is hydrostatically tested and inspected for slot uniformity, dimensional accuracy, and surface finish.
- Cost-Effective Manufacturing: As a direct factory with 26 years of experience, we optimize production to offer competitive pricing without compromising quality.
- Global Shipping: We ship from Tianjin, Qingdao, Shanghai, and Foshan ports, with reliable logistics to North America, Europe, Asia, Africa, and Oceania.
Trust & Reliability
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a trusted partner for clients in over 50 countries. Our annual export value of US$5–10 million reflects the confidence global buyers place in our products. We maintain strict inventory management and fast turnaround times – typical lead time for standard sizes is 15–20 working days. Our team of engineers is always available to discuss your specific high-pressure application requirements and provide technical drawings or samples upon request.
Contact us today to request a quotation or discuss your custom specifications. Experience the durability and precision of our 316L stainless steel helically perforated tubes – built to perform under pressure.
Frequently Asked Questions (FAQ)
1. What is the maximum working pressure of this tube?
The pressure rating depends on the wall thickness, which is customizable. For standard wall thickness (e.g., 2mm), the tube can withstand up to 10 MPa. For higher pressures, thicker walls are available. Please provide your specific pressure requirement for a precise recommendation.
2. Can the tube be cut to a shorter length?
Yes, we can supply the 1.5m length as standard, or cut to any custom length between 0.5m and 3m. Additional charges may apply for non-standard lengths.
3. What is the slot width of the helical perforation?
The slot width is typically 0.5mm to 1.5mm, depending on the application. For the 3mm pitch, common slot widths are 0.5mm, 0.8mm, or 1.0mm. We can adjust the width to meet your filtration or flow requirements.
4. Is this tube suitable for food-grade applications?
Yes, 316L stainless steel is widely accepted for food contact and can be supplied with a passivated surface finish to meet hygiene standards. Please specify if you require FDA or EU food-grade certification.
5. Can you provide a sample before bulk order?
Absolutely. Sample production time is 5–7 working days. Sample cost is refundable for bulk orders. Contact our sales team to arrange.
6. What surface finishes are available?
Standard finish is mill finish (as-rolled). Options include pickling and passivation, electropolishing, or mirror polish. These finishes enhance corrosion resistance and appearance.
7. How do you ensure the slots are clean and free of burrs?
Our manufacturing process uses laser cutting or precision punching, followed by deburring and ultrasonic cleaning. Each tube is visually inspected and air-blown to remove any debris.
8. What is the minimum order quantity (MOQ)?
For standard sizes, MOQ is 10 pieces. For custom specifications, MOQ may be higher. Please inquire for details.
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