PU Injection Foam (Pipe in Pipe) Pre-Insulated Pipe Production Line
Product Description
The Vacuum Calibration Pre-Insulated Pipe Extrusion Line is independently developed by Qingdao Huashida Machinery Co., Ltd. based on advanced German pipe extrusion technology. Through continuous innovation and optimization, the production line delivers outstanding extrusion performance, high automation, stable operation, and long-term reliability.
The complete line integrates a high-efficiency extruder, vacuum calibration system, cooling tank, haul-off unit, cutting machine, and automatic stacker into one coordinated production system. With intelligent control and synchronized operation, it ensures consistent product quality while reducing labor requirements and improving production efficiency.
Why Choose Huashida Pre-Insulated Pipe Extrusion Line?
- Advanced Vacuum Calibration Technology – Delivers higher dimensional accuracy, smoother pipe surfaces, and better pipe rigidity than conventional internal pressure methods.
- High Automation – Fully integrated extrusion, calibration, cooling, haul-off, cutting, and stacking system for efficient, continuous production.
- Stable & Reliable Performance – Optimized design ensures consistent extrusion quality, low maintenance, and long service life.
- Excellent Pipe Quality – Produces HDPE jacket pipes with precise dimensions, uniform wall thickness, and superior surface finish.
- Custom Solutions – Available in various pipe diameter ranges and production capacities to meet different project requirements.
- Professional Support – Complete technical service from machine design and installation to commissioning and after-sales support.
Technological prameters
|
PE-365/760 |
PE-420/960 |
PE-850/1372 |
PE-960/1680 |
| Main extruder |
SJ-90/33 |
SJ-90/33 |
SJ-120/33 |
SJ-150/33 |
| Pipe diameter (mm) |
Φ365-960 |
Φ420-960 |
Φ850-1372 |
Φ960-1680 |
| capacity (kg/h) |
550-700 |
550-700 |
700-900 |
800-1200 |
| Installed power (kw) |
360 |
380 |
440 |
580 |
| Length (m) |
35 |
36 |
40 |
48 |
Production line composition:
-1set Vacuum loader
-1set Hopper dryer
-1set High-efficiency single screw extruder
-1set Vacuum calibration table
-1set Water spraying tank
-1set Hauling machine
-1set Cutting machine
-1set Discharging Frame
-1set PLC
Technical Highlights:
| Single-screw extruder |
Precision temperature control system ensures consistent material fusion
Proprietary single-screw extruder optimized for polyethylene (PE) materials |
| Vacuum Calibration |
Patented vacuum calibration system replaces traditional internal pressure methods |
| Smart Automation |
Fully integrated PLC control system
Real-time process monitoring |
| Production Capabilities |
Diameter range: 110mm - 2200mm (customizable)
Output capacity: 250-1600 kg/h (material-dependent) |
Features :
1.small dimension
2.high degree of automation, can be operated by one person, saving labor costs
3.long service life.
4.high-efficiency extruder gives larger output, stable performance
5.pipe wall is average and smooth
6.no waste of raw material
7.One-time molding
Qingdao Huashida Machinery Co., LTD., founded in 2003, is a global developer, manufacturer and solution provider of plastic extrusion equipment. 70% of its customers come from overseas countries such as Europe, America, the Middle East and Southeast Asia.
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PU Injection Foam（Pipe in Pipe）Pre-Insulated Pipe Production Line Images
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