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Vacuum Calibrating PE Insulated Pipe Extrusion Line for Industrial Use
This advanced production line is among the most sophisticated and widely used machinery globally, specifically designed for manufacturing energy-efficient, trenchless laying pipelines with superior thermal insulation. The resulting pipes feature a steel or galvanized steel carrier pipe, a polyurethane foam insulation layer, and an outer protective shell of HDPE or galvanized steel, delivering exceptional rigidity and insulation properties.
High Intelligence: Advanced automation reduces labor costs and improves production efficiency
Fast Production Speed: 30% faster than similar equipment, significantly increasing throughput
Durability: High-quality hardware and software minimize maintenance costs
Working Conditions
Electric Source: 3-phase, 380V (±10%, +5%), 50Hz
Total Power: ~160kW
Cooling Water: ≤20ºC, ≥0.3Mpa, 26-30 m³/h
Compressed Air: 0.4m³/min, >0.5MPa
Dimension: 24m x 3m x 3m
Material: HDPE Granules
Applications
The HDPE pre-insulated pipe extrusion line is extensively used for producing protective jackets for thermal insulated pipes in district heating systems, hot and chilled water piping, gas pipelines, water mains, geothermal heating applications, and more.
Production Process Flow
Vacuum feeding PE granule → hot air dry material → extrusion plasticizing → mold shaping → vacuum sizing → water cooling → pulling out → cutting pipe → carrier laying-off pipe
Key Configurations
This high-efficiency plastic pipe production line comprises nine essential components:
1 Set Auto Vacuum Feeder
1 Set Hopper Dryer
1 Set Efficient Single Screw Extruder
1 Set Mold
1 Set Vacuum Calibration Tank
1 Set Hauling Machine
1 Set Cutting Machine
1 Set Stacker
1 Set PLC Central Control System
All machines in the production line can be customized according to specific requirements.
Component Details
High-efficiency Single Screw Extruder: Features a barrier & mixing head and new model barrel with slotting (channel), ensuring excellent gelation, large output, and stable performance.
Die-Head: The inner surface contacting plastic materials is polished and chrome-plated to ensure smooth material flow and prevent rust. Pipe wall thickness uniformity is adjustable by bolts. The copper calibrating sleeve cools the freshly formed pipe and calibrates its outer diameter.
Vacuum Calibration Tank: Consists of frame, stainless steel tank, vacuum system, spray cooling system, and position adjustment device. The vacuum pump exhausts air from the sealed tank to pressurize the pipe, which clings to the calibrating copper sleeve, ensuring proper diameter. Spray nozzles cool the pipe surface from all directions.
Hauling Machine: Comprises driving device, clamping structure, adjusting system, side plate, and foundation bed. Driven by AC motor with frequency conversion control for adaptation to different extrusion speeds.
Cutting Machine: Utilizes blade punching principle for dust-free cutting. Includes cutting, clamping, and synchronous movement devices for efficiency.
Control System: Entire production line controlled by advanced PLC system with user-friendly interface. All technical parameters can be set and monitored via touch screen. Customizable control systems available based on requirements.
Technical Specifications
(Custom configurations available upon request)
Model
PE-110/600
PE-365/760
PE-655-1380
PE-960/1680
PE-1155/2000
Main Extruder
SJ-75/33
SJ-90/33
SJ-120/33
SJ-150/33
SJ-120/33
Pipe diameter
Φ110-600mm
Φ365-760mm
Φ655-1380mm
Φ960-1680mm
Φ1155-2000mm
Capacity
250-350kg/h
400-500kg/h
700-900kg/h
800-1200kg/h
1000-1500kg/h
Installed power
160kw
240kw
480kw
580kw
630kw
Length
30m
32m
36m
48m
48m
After Sales Service
Standard Warranty: 12 months
Global Support: 24/7 technical assistance and spare parts supply
Training: On-site or remote operation/maintenance training
Company Profile
Qingdao Huashida Machinery Co., Ltd Founded in 2003, Qingdao Huashida Machinery Co., Ltd. is a leading Chinese high-tech enterprise specializing in intelligent equipment for pipeline anti-corrosion and pre-insulation systems. The company holds 58 invention patents, 38 utility model patents, and 38 software copyrights, demonstrating strong innovation capabilities. Main application areas include thermal pre-insulated pipelines, municipal sewage pipelines, inspection wells, and 3LPE oil and gas pipelines.
Why Choose Us?
OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions
Strong innovation capability with 58 invention patents, 38 utility model patents, and 38 software copyrights
Other Products
A. Steel Pipe Anti-Corrosion Systems
Steel Pipe 3-Layer Polyethylene (3LPE) Anti-Corrosion Coating System
Steel Pipe Internal & External FBE Coating System
Steel Pipe External 3LPE & Internal Epoxy Coating System
Steel Pipe External 3LPE & Internal Liquid Paint Coating System
B. Pre-Insulated Pipe Production Systems
Vacuum Calibrating Method Pre-Insulated Pipe Outside Casing Extrusion System
PUR Spray PE Wrap Pre-Insulated Pipe Production System
Continuous PERT Flexible Pre-Insulated Pipe Production System
Continuous PU Foam Pre-Insulated Pipe Production System
PERT Rigid Pre-Insulated Pipe Production System
Rubber Foam Insulation Tube / Plate Production System
C. Field Joint Materials & Tools (by Huashida Plastic)
Heat Shrinkable Sleeve
Electro-Fusion Sleeve
Seamless Heat Shrinkable Sleeve
Electro-Fusion Welding Machine
Hot Air Welding Gun
Plastic Welding Rod
PE Pipe Elbow
Frequently Asked Questions
Q: What's the lead time for orders?
A: Standard models ship in 60-90 days; customized units require 30-45 days.
Q: Do you provide after-sales service overseas?
A: Yes, we provide free technical services and offer training and guidance to the buyer's operators.
Q: Can I request a customized bucket size?
A: Absolutely! We offer tailored attachments.
Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).
Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2003
Total Annual:
3000000-5000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
1. company profileQingdao Huashida Machinery Co., Ltd. is located in Qingdao High & New Technology Industrial Area- Qingdao Huashida industrial Park, covers an area of about 4000 square meters. We have tens of years experience in plastic pipe, sheet, and board extrusion lines, and pipe joints a...
1. company profileQingdao Huashida Machinery Co., Ltd. is located in Qingdao High & New Technology Industrial Area- Qingdao Huashida industrial Park, covers an area of about 4000 square meters. We have tens of years experience in plastic pipe, sheet, and board extrusion lines, and pipe joints a...
