HDPE Plastic Jacket Pipe Pre-Insulated Pipe Casing Extrusion Line

Product Description

The HDPE Jacket Pipe Extrusion Line is a high-efficiency, high-speed, and energy-saving production system designed for manufacturing HDPE outer casing pipes used in PU foam pre-insulated pipe systems, fully compliant with international standards.

The HDPE jacket pipes are produced using advanced vacuum calibration technology, ensuring smooth inner and outer surfaces, uniform wall thickness, and stable product quality. The finished pipes offer long service life, excellent corrosion resistance, outstanding thermal insulation performance, and strong mechanical strength.

Applications

The HDPE jacket pipe production line is widely used in:

1. District heating and cooling pipeline systems
2. PU foam pre-insulated steel pipe systems
3. Oil & gas thermal insulation pipelines
4. Industrial heat transmission pipelines
5. Municipal underground pipeline protection

Production Line Composition

• 1 set Vacuum Loader
• 1 set Hopper Dryer
• 1 set High-Efficiency Single Screw Extruder
• 1 set Vacuum Calibration Table
• 1 set Water Spraying Cooling Tank
• 1 set Haul-Off Machine
• 1 set No-Dust Cutting Machine
• 1 set Discharging Frame

Product Advantages

Compact Structure Design
Small footprint, easy installation, and space-saving design.

High Automation Level
Fully automatic operation, controlled by one operator, reducing labor cost.

Long Service Life
High-quality components ensure stable performance and durability.

High-Efficiency Extrusion System
Strong output capacity with stable and reliable operation.

Uniform Pipe Quality
Advanced calibration ensures consistent wall thickness and smooth surface.

No Material Waste
Optimized process reduces raw material loss.

One-Step Forming Technology
Pipe production completed in one process without secondary trimming.

Technical Specifications

Process Flow

Vacuum feeding → Drying → Extrusion plasticizing → Mold forming → Vacuum sizing → Water cooling → Haul-off → Cutting → Stacking

Key Equipment Details

Single Screw Extruder
Barrier screw with mixing head ensures high plasticizing quality, stable output, and high efficiency.

Die Head System
Precision-polished internal structure ensures smooth flow, uniform wall thickness, and anti-corrosion performance.

Vacuum Calibration Tank
Ensures accurate pipe diameter and smooth surface through vacuum suction and multi-directional water cooling.

Haul-Off Machine
Frequency-controlled AC motor drive ensures stable pulling speed and automatic length measurement.