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HDPE Krah Pipe Extrusion Line for Diameter 300-3500mm Spiral Corrugated Pipe
Product Spotlights
High-output HDPE Krah pipe extrusion line for diameters 300-3500mm. Advanced spiral corrugated technology ensures excellent ring stiffness and lightweight performance. Energy-efficient, customizable, and backed by ISO-certified manufacturer with 14 years of experience and global export network.
Negotiable
MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
material:
HDPE (High-Density Polyethylene)
diameter_range:
300-3500mm
pipe_type:
Spiral Corrugated Pipe
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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material
HDPE (High-Density Polyethylene)
diameter_range
300-3500mm
pipe_type
Spiral Corrugated Pipe
extrusion_technology
Krah Type
production_capacity
Customizable (e.g., 200-600 kg/h)
voltage
380V/50Hz (or customized)
certification
ISO9001, ISO14001, OHSAS18001
application
Stormwater drainage, sewage, ventilation, etc.
Welcome to Qingdao Yongke Machinery Co., Ltd. Since 2010, we have been a dedicated manufacturer of high-quality plastic pipe extrusion lines. With a factory spanning 10,000-30,000 square meters and a team of 51-100 experienced employees, we specialize in the production of HDPE Krah Pipe Extrusion Lines for diameters ranging from 300mm to 3500mm. Our spiral corrugated pipe production line is designed to deliver exceptional performance, durability, and cost-efficiency for large-diameter pipe applications. Whether you need pipes for municipal drainage, agricultural irrigation, or industrial ventilation, our Krah extrusion line offers a reliable solution that meets international standards.
Key Features & Technical Advantages
- Advanced Krah Technology: The line adopts the proven Krah spiral winding process, ensuring uniform wall thickness and excellent ring stiffness (SN2-SN16). This technology produces pipes with a smooth inner wall and a corrugated outer wall, combining high strength with lightweight properties.
- Broad Diameter Range: Capable of producing pipes from 300mm up to 3500mm in diameter, this line is ideal for large-scale infrastructure projects. The diameter can be easily adjusted by changing the winding mandrel and die head.
- High Efficiency & Energy Saving: Our extrusion system features high-performance single-screw extruders with optimized screw design, achieving high output rates while minimizing energy consumption. The line is equipped with automatic temperature control and a servo-driven winding system for stable operation.
- Robust Construction: Made from high-grade steel and corrosion-resistant materials, the machine ensures long service life and minimal maintenance. Key components like the extruder barrel and screw are hardened and treated for wear resistance.
- User-Friendly Control System: PLC-based control with a touch-screen interface allows easy operation and real-time monitoring of parameters such as temperature, speed, and pressure. The system supports recipe storage for quick changeover between pipe sizes.
- Flexible Customization: We offer tailored solutions including different die designs, calibration systems, and downstream equipment (cutter, stacker, testing machine) to meet specific production requirements.
Technical Specifications (Typical Configuration)
| Parameter | Value |
|---|---|
| Extruder Model | Single-screw (e.g., SJ-120/30 or SJ-150/30, customizable) |
| Screw Diameter | 120mm / 150mm (or as per design) |
| L/D Ratio | 33:1 |
| Output Capacity | 200-600 kg/h (depending on pipe size) |
| Pipe Diameter Range | 300 – 3500 mm |
| Total Installed Power | Approx. 150-300 kW |
| Line Speed | 0.5 – 3 m/min |
| Pipe Standard | EN 13476, DIN 16961, or as required |
Benefits for Your Business
- Cost-Effective Production: By using HDPE material and an efficient extrusion process, the line reduces raw material waste and lowers production costs per meter of pipe.
- High Mechanical Strength: The spiral corrugated structure provides excellent ring stiffness, allowing pipes to withstand heavy loads (e.g., deep burial depth) without deformation.
- Excellent Corrosion Resistance: HDPE is inert to most chemicals, making these pipes ideal for aggressive environments such as sewage and industrial effluent.
- Lightweight & Easy Installation: Compared to concrete or metal pipes, HDPE corrugated pipes are much lighter, reducing transportation and handling costs. Jointing methods (butt welding or rubber ring) are simple and fast.
- Long Service Life: With proper installation, HDPE pipes can last over 50 years, offering a low life-cycle cost.
- Environmentally Friendly: The production process is clean, and HDPE is recyclable, supporting sustainable development goals.
Why Choose Qingdao Yongke Machinery?
As a professional manufacturer with over 14 years of experience, we have ISO9001, ISO14001, and OHSAS18001 certifications, ensuring quality management, environmental responsibility, and worker safety. Our annual export value of US$1 Million to US$1.5 Million demonstrates our global reach – we have successfully exported to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and many other regions. All machines are shipped from the port of Qingdao, a major logistics hub in China. We provide comprehensive after-sales support, including installation guidance, training, and spare parts supply. Contact us today to discuss your specific pipe production needs and get a customized solution!
Frequently Asked Questions
Q1: What raw materials are suitable for this line?
A: The line is mainly designed for HDPE (high-density polyethylene) granules, with a typical melt flow index (MFI) of 0.2-0.5 g/10min. Other polyolefins like PP are also possible with minor adjustments.
A: The line is mainly designed for HDPE (high-density polyethylene) granules, with a typical melt flow index (MFI) of 0.2-0.5 g/10min. Other polyolefins like PP are also possible with minor adjustments.
Q2: Can I produce different diameter pipes with the same line?
A: Yes, the diameter can be changed by replacing the winding mandrel and adjusting the die head. The range is 300-3500mm. We can supply multiple mandrels for quick changeover.
A: Yes, the diameter can be changed by replacing the winding mandrel and adjusting the die head. The range is 300-3500mm. We can supply multiple mandrels for quick changeover.
Q3: What is the typical output per hour?
A: Output depends on pipe diameter and wall thickness. For example, a 1000mm pipe can be produced at about 300-400 kg/h. The line's maximum capacity is around 600 kg/h.
A: Output depends on pipe diameter and wall thickness. For example, a 1000mm pipe can be produced at about 300-400 kg/h. The line's maximum capacity is around 600 kg/h.
Q4: How much floor space is required?
A: The total line length is approximately 40-60 meters, and the width is about 6-8 meters. We provide a layout drawing upon request, and the space can be optimized based on your workshop.
A: The total line length is approximately 40-60 meters, and the width is about 6-8 meters. We provide a layout drawing upon request, and the space can be optimized based on your workshop.
Q5: What is the warranty period?
A: We offer a standard 12-month warranty from the date of shipment. Extended warranties are available upon request. Our after-sales team provides remote support and can visit your site.
A: We offer a standard 12-month warranty from the date of shipment. Extended warranties are available upon request. Our after-sales team provides remote support and can visit your site.
Q6: Do you provide installation and training?
A: Yes, we offer commissioning service and operator training either at our factory or at your site. Detailed manuals and video instructions are also provided.
A: Yes, we offer commissioning service and operator training either at our factory or at your site. Detailed manuals and video instructions are also provided.
Q7: Can the line produce pipes with special colors or markings?
A: Absolutely. Masterbatch can be added to create colored pipes. We can also integrate a printing machine for marking (e.g., logos, standards) inline.
A: Absolutely. Masterbatch can be added to create colored pipes. We can also integrate a printing machine for marking (e.g., logos, standards) inline.
Q8: What is the lead time for this extrusion line?
A: Typical lead time is 45-60 days after receiving the down payment, depending on customization level. Urgent orders can be expedited with prior discussion.
A: Typical lead time is 45-60 days after receiving the down payment, depending on customization level. Urgent orders can be expedited with prior discussion.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2010
Factory Size
10,000-30,000 square meters
Annual Export Value
US$1 Million - US$1.5 Million
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