Double Structural Hollow Wall Spiral Winding Sewer Pipe and Tank Extrusion Production Line for HDPE/PP/PPR/PVC/PERT
Product Spotlights
Qingdao Yongke Machinery Co., Ltd. has been a trusted manufacturer of high-quality pipe and tank extrusion lines since 2010. Our Double Structural Hollow Wall Spiral Winding Sewer Pipe and Tank Extrusion Production Line is designed for HDPE, PP, PPR, PVC, and PERT materials, delivering exceptional structural integrity and cost efficiency for sewage and industrial applications. This advanced production line combines spiral winding technology with a unique double hollow wall design, providing superior ring stiffness while reducing material consumption. Whether you need large-diameter sewer pipes or corrosion-resistant tanks, our system ensures stable output and consistent quality.
Key Features & Technical Advantages
- Double Structural Hollow Wall Design: The inner and outer walls are extruded simultaneously with spiral winding to form a strong, lightweight structure. This design maintains excellent ring stiffness (SN8-SN16) and impact resistance, ideal for buried sewer pipes.
- Multi-Material Compatibility: Our line supports HDPE, PP, PPR, PVC, and PERT without major adjustments. Changeover between materials is quick, thanks to the optimized screw geometry and temperature control system.
- Spiral Winding Technology: The rotating mandrel and cooling system ensure uniform wall thickness and smooth inner surface. This reduces friction loss and prevents clogging in sewage systems.
- High Output & Energy Efficiency: With a maximum output of 800 kg/h and intelligent variable-frequency drives, the line consumes up to 15% less energy compared to traditional extrusion methods.
- Automated PLC Control: Equipped with a Siemens PLC and touchscreen interface, operators can monitor extrusion speed, temperature, and wall thickness in real time. Recipe storage allows quick setup for different pipe sizes.
- Integrated Tank Extrusion Option: The same production line can be reconfigured to produce hollow wall tanks with diameters up to 3000mm and lengths up to 12 meters. This flexibility maximizes your return on investment.
Technical Specifications (Typical Configuration)
| Parameter | Value / Range |
| Extruder Model | SJ-90/30, SJ-120/30, or customized |
| Screw Material | 38CrMoAlA with nitriding treatment |
| Pipe Wall Thickness | 3mm - 60mm (adjustable) |
| Winding Speed | 0.5 - 3 m/min (linear speed) |
| Cooling System | Spray water cooling tank (length 6m-12m) |
| Haul-off Type | Belt or caterpillar (optional) |
| Cutting Method | Saw or planetary cutter (automatic) |
Customer Benefits
- Reduced Material Cost: The hollow wall structure uses 20-30% less raw material than solid wall pipes of the same stiffness, lowering your production expenses.
- Longer Service Life: Excellent corrosion resistance and UV stability make the pipes suitable for aggressive sewage environments and outdoor storage tanks.
- Quick Installation: Lightweight pipes (up to 40% lighter than concrete counterparts) simplify handling and reduce labor costs during field installation.
- Easy Maintenance: Modular design allows quick replacement of wear parts like screw and barrel. Our global spare parts network ensures minimal downtime.
- Compliance with Standards: The line is designed to meet international specifications such as EN 13476 and ASTM F2648 (upon request).
Why Choose Qingdao Yongke Machinery?
With over 14 years of manufacturing experience, a factory spanning 10,000-30,000 m², and a dedicated team of 51-100 employees, we deliver reliable solutions to customers across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our annual export value of US$1–1.5 million reflects global trust. We hold ISO9001, ISO14000, and OHSAS18001 certifications, ensuring quality, environmental, and safety management. Every production line undergoes rigorous testing before shipment from Qingdao Port. We offer on-site installation guidance, training, and lifetime technical support.
Contact us today for a customized quotation or to arrange a factory visit. Let our Double Structural Hollow Wall Spiral Winding Line help you produce competitive pipes and tanks that meet the highest market demands.
Frequently Asked Questions (FAQ)
-
Q: What raw materials can this production line process?
A: It is designed for HDPE, PP, PPR, PVC, and PERT. For other thermoplastics, please consult our engineers for compatibility adjustments. -
Q: What is the typical pipe diameter range?
A: The standard range is 200mm to 3000mm. Smaller or larger diameters can be achieved with custom tooling. -
Q: Can the same line produce both pipes and tanks?
A: Yes, the line includes optional tooling and a winding mandrel that can be exchanged to produce cylindrical tanks. Please specify your requirements when ordering. -
Q: What is the energy consumption per kilogram of output?
A: Typically 0.3-0.5 kWh/kg depending on material and pipe size. Our variable-frequency drives optimize energy use. -
Q: Do you provide installation and training?
A: Yes, we offer on-site commissioning, operator training, and after-sales support. Remote assistance via video is also available. -
Q: How long is the delivery time?
A: Standard lines are delivered within 45-60 days after order confirmation. Custom configurations may take longer. -
Q: What certifications does the equipment meet?
A: The line is CE-compliant (optional) and can be built to meet local standards. We hold ISO9001, ISO14000, and OHSAS18001 for our factory. -
Q: Is there a warranty?
A: Yes, we offer a 12-month warranty from the date of shipment, covering manufacturing defects. Extended warranties are negotiable.
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