Large-Diameter Pre-Insulated Pipe Production Line with Vacuum Calibration and Single-Screw Extruder for PE Shell Casing
Gas/Oil Pipeline Puf Pre-Insulated Pipe PE Shell Casing Plastic Production Line
Product Description
Pre-insulated pipe extrusion line designed by absorbing the tube extrusion developed technology from German and improved by Qingdao Huashida Machinery Co., Ltd.The line is an integration design composed by extruder, vacuum calibrating, cooling, pulling, cutting, stacker. Great performance in automatic operation, extrusion capacity, steady and service life etc. Especially compared with the line use internal pressure method, vacuum calibrating method is much better than it for stiffness, pressure resistance and surface smooth.
Vacuum calibrating method pre-insulated pipe outside casing extrusion line is the most advanced and popular machinery in the world.
Piping PUF insulation and fittings is a rigid structure "pipe in pipe" consisting of steel or galvanized steel carrier pipe, a layer of polyurethane foam insulation and the outer jacket pipe protective of high-density polyethylene - for underground installation or sheet galvanized steel - for above-ground pad.
Rigidity due to the presence of strong ties between the steel pipe layer polyurethane insulation and jacket pipe and provides pre-shot blast or blast cleaning the surface of the steel pipe, optimum performance polyurethane insulation, corona surface of polyethylene pipe shell.
gas/oil /water pipeline Puf Pre-Insulated Pipe PE shell casing plastic Machinery Advantages:
Significantly increases the reliability of the pipeline in the PUF insulation system operational availability of remote condition monitoring PUF insulation, which allows to detect and repair leaking coolant, preventing accidents typical for thermal networks of other designs.
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
| 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

Welcome to our factory to discuss cooperation!
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.




