Equipped with a high-performance extrusion system, the line ensures stable output, uniform wall thickness, and excellent pipe ring stiffness. The precision corrugator system forms a smooth inner wall and a reinforced corrugated outer wall, providing superior strength, impact resistance, and long service life.
The production line features intelligent PLC control, automatic temperature regulation, synchronized forming technology, and high-speed cooling systems to guarantee continuous and reliable operation. It supports a wide range of pipe diameters and materials such as HDPE and PP, meeting various international standards.
With energy-saving design, easy maintenance, and high production efficiency, this line is an ideal solution for large-scale drainage pipe manufacturing projects.
Faster Production Speed
The mold undergoes continuous circumferential pressure water cooling throughout its full operation path, resulting in superior cooling performance. Output can reach more than three times that of air-cooling and traditional water-cooling systems.
The extrusion system uses a buffered forced-feeding section, significantly reducing the power consumption of the main drive motor by 30%.
The large L/D ratio screw (36:1) ensures excellent plasticizing performance and superior material adaptability.
Optimized die flow channel design enables low-temperature, low-pressure pipe extrusion.
No need to raise or lower the forming machine platform. Mold replacement is quick and convenient.
Smoother movement of molds and water-cooling circuit
Fixed water-cooling pipe connection eliminates leakage caused by frequent plugging/unplugging, preventing equipment wear and extending service life
Shorter die flow path and lower pressure reduce wear, extending the lifespan of both the screw and die
The DWCP series double-wall corrugated pipe production line is developed by Qingdao Huashida Machinery Co., Ltd. based on market demand and international technological trends, integrating and enhancing the most advanced technologies from abroad. This fourth-generation high-speed water-cooling line is suitable for the high-speed extrusion of PE and PP materials.
The line adopts a dual-extruder co-extrusion forming process and is equipped with, and B&R professional control systems for double-wall corrugated pipe production. It features a high degree of automation and stable operation.
For even greater energy savings, customers may opt for original ABB inverter motors and frequency converters.
| Item | Unit | DWCP-1000 | DWCP-600 |
|---|---|---|---|
| Pipe ID range | mm | 600-1000 | 200-600 |
| Extruder model | - | SJ-120×36 / SJ-90×36 | SJ-90×36 / SJ-75×36 |
| Max. output | kg·h¹ | 1000 | 600 |
| Corrugator model | - | DWCP-1000 | DWCP-600 |
| Mold block pairs | pairs | 8 | 9 |
| Max. line speed | m·min¹ | 9 | (not specified, usually ≤9) |
Qingdao Huashida Machinery Co., Ltd. is a high-tech enterprise founded in 2003, specializing in R&D, manufacturing, sales, and service of advanced pipeline production equipment. Headquartered in Huashida Industrial Park, Chengyang District, Qingdao, China, the company covers a facility area of approximately 4,000 m².
Huashida is a leading manufacturer of pipeline machinery, focusing on:
Pre-insulated pipe extrusion lines (HDPE/PU jacket)
3LPE steel-pipe anti-corrosion coating equipment
Hollow-wall spiral pipe production lines
PE / PP sheet and board extrusion lines
Rubber-foam insulation tube / sheet lines
Heat-shrinkable sleeves, electrofusion sleeves, portable plastic welders
These products are broadly applied in municipal heating networks, water supply & drainage systems, oil & gas pipelines, and other infrastructure fields
Approved as a technology-based enterprise by the Shandong Provincial Department of Science and Technology.
Holds independent intellectual property rights, with many patents covering core equipment.
Deep cooperation with top academic institutions including Tsinghua University, Beijing University of Chemical Technology, Qingdao University of Science & Technology, and others.
Huashida maintains rigorous quality control:
Certified to ISO 9001 (quality management) and ISO 14001 (environmental management) standards.
Products comply with international safety and performance requirements.
The company's equipment has been exported to over 20 countries and regions, including Russia, Iran, Turkey, UAE, Kazakhstan, Ukraine, and more.
Serves major clients in the oil & gas, municipal infrastructure, and pipeline industries.
Huashida actively participates in major industry exhibitions around the world, strengthening global partnerships and showcasing our latest pipeline production technologies.
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