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Help CenterKrah Spiral Pipe Extrusion Machine, HDPE Water Supply Pipe Extrusion Line With Efficient Extruder
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Qingdao Yongke Machinery Co., Ltd., established in 2010, is a professional manufacturer specializing in the production of high-quality plastic extrusion machinery. With a factory spanning 10,000–30,000 square meters and a dedicated team of 51–100 employees, we bring over a decade of expertise to every machine we build. Our Krah Spiral Pipe Extrusion Machine is engineered to produce large-diameter HDPE pipes for water supply and drainage applications, combining advanced extrusion technology with robust construction. This line is designed to deliver consistent output, energy efficiency, and long service life, making it a reliable choice for pipe manufacturers worldwide.
The HDPE Water Supply Pipe Extrusion Line features a high-performance single screw extruder that ensures uniform melting and precise temperature control. It is capable of producing pipes with diameters ranging from 200mm to 4000mm and wall thicknesses up to 120mm. The Krah spiral winding technology provides excellent hoop strength and flexibility, ideal for demanding applications such as municipal water supply, irrigation, and industrial fluid transport. Below, we detail the key features and technical specifications that set this line apart.
Key Features and Technical Specifications
- High-Efficiency Extruder: The single screw extruder is equipped with a barrier screw design and bimetallic barrel, ensuring high throughput (up to 600 kg/h) and excellent melt homogeneity. This reduces energy consumption by up to 15% compared to conventional designs.
- Krah Spiral Winding Technology: The pipe is formed by spirally winding extruded profiles, which are then fused together. This process produces pipes with superior strength-to-weight ratio and resistance to external loads.
- Precision Cooling System: A multi-zone spray cooling tank ensures uniform cooling, preventing deformation and maintaining dimensional accuracy. The system is adjustable for different pipe sizes and wall thicknesses.
- PLC Control with Touch Screen: The intuitive control system allows operators to monitor and adjust parameters such as temperature, screw speed, and haul-off speed in real time. Data logging and alarm functions enhance operational safety.
- Versatile Pipe Sizes: The line can produce pipes from 200mm to 4000mm in diameter, with wall thicknesses from 10mm to 120mm. Quick-change tooling minimizes downtime between size changes.
- Durable Construction: All contact parts are made from stainless steel or hardened alloy steel, ensuring corrosion resistance and long service life. The frame is built from heavy-duty steel for stability.
| Parameter | Value |
|---|---|
| Extruder Screw Diameter | 120mm / 150mm (optional) |
| Screw L/D Ratio | 33:1 |
| Max Output | 600 kg/h |
| Pipe Diameter Range | 200–4000 mm |
| Wall Thickness Range | 10–120 mm |
| Total Installed Power | 250–400 kW (configurable) |
| Cooling Water Consumption | 15–25 m³/h |
| Machine Dimensions (L×W×H) | 35m × 6m × 4m (approx.) |
The Krah Spiral Pipe Extrusion Machine offers several advantages for pipe manufacturers. First, its high output capacity reduces production costs per meter of pipe. Second, the spiral winding process allows for the production of large-diameter pipes without the need for expensive molds, making it cost-effective for custom sizes. Third, the pipes produced meet international standards for water supply, including ISO 4427 and EN 12201 (certification available upon request). Additionally, the machine's modular design facilitates easy maintenance and upgrades, ensuring long-term reliability.
For customers, this translates to lower operational costs, faster return on investment, and the ability to serve a wide range of markets. Whether you need pipes for municipal water networks, agricultural irrigation, or industrial effluent disposal, this extrusion line delivers consistent quality and performance.
Trust and Reliability
As a manufacturer with over a decade of experience, Qingdao Yongke Machinery Co., Ltd. has supplied machines to clients across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and other regions. Our annual export value of US$1 million to US$1.5 million reflects the trust our customers place in our products. We hold ISO9001, ISO14000, and OHSAS18001 certifications, demonstrating our commitment to quality, environmental management, and occupational health and safety. Our factory in Qingdao, Shandong, is equipped with advanced manufacturing facilities and a skilled engineering team that provides comprehensive after-sales support, including installation, training, and spare parts supply.
We invite you to contact us for a detailed quotation or to arrange a factory visit. Our team is ready to customize the Krah Spiral Pipe Extrusion Line to meet your specific production requirements. With competitive pricing, reliable performance, and global shipping from Qingdao Port, this machine is an excellent investment for your business.
Frequently Asked Questions (FAQ)
-
What materials can this extrusion line process?
This line is specifically designed for HDPE (high-density polyethylene) but can also process other polyolefins like PP with minor adjustments. Please consult our engineers for material-specific configurations. -
What is the minimum and maximum pipe diameter?
The standard line can produce pipes from 200mm to 4000mm in diameter. Custom ranges are available upon request. -
How long does it take to install and commission the line?
Installation typically takes 10–15 days, with commissioning completed within 5–7 days, depending on site conditions. Our team provides on-site guidance. -
What is the power consumption per ton of pipe produced?
Power consumption varies with pipe size and material, but typically ranges from 250 to 400 kWh per ton. The efficient extruder helps reduce energy costs. -
Do you provide training for operators?
Yes, we offer comprehensive training for your operators, covering machine operation, maintenance, and troubleshooting. This is included with the purchase. -
What spare parts are recommended for initial stock?
We recommend keeping spare screws, barrels, heating elements, and seals. A detailed list is provided with the machine documentation. -
Can the line produce pipes with different wall thicknesses?
Yes, the wall thickness can be adjusted by changing the extrusion parameters and die tooling. The range is 10mm to 120mm. -
What is the warranty period?
We offer a standard 12-month warranty from the date of shipment, covering manufacturing defects. Extended warranties are available as an option.
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