HDPE Pipe Extrusion Line

An HDPE pipe extrusion line produces HDPE pipes through extrusion, vacuum calibration, cooling, haul-off, cutting and downstream pipe handling.

HDPE Pipe Extrusion Line

The SUHUI HDPE pipe extrusion line produces high-density polyethylene pipes for water supply, gas distribution, sewage, drainage, and industrial pipelines. The complete system integrates material feeding, single-screw extrusion, die forming, vacuum calibration, multi-stage cooling, online gauging, haul-off, cutting, and pipe handling. Standard 33D configurations cover Φ20-1,200 mm, while 38D high-performance configurations support up to Φ20-1,600 mm.

Back to Products

Product Description

The SUHUI HDPE pipe extrusion line is a complete manufacturing system for producing high-density polyethylene pipes used in water supply, gas distribution, sewage and drainage, and industrial pipeline projects. It combines a high-output single-screw extruder, precision die head, vacuum calibration, multi-stage cooling, online gauging, haul-off, cutting, and pipe handling into one stable production line.

For manufacturers comparing an HDPE pipe extrusion machine, PE pipe extrusion line, or broader plastic pipe extrusion line, the key requirements are stable melt quality, accurate pipe diameter, consistent wall thickness, and reliable downstream synchronization. SUHUI configures the line according to pipe diameter, output target, pressure grade, material recipe, and plant layout so the system can support both standard pipe production and large-diameter infrastructure pipe projects.

The line supports 33D and 38D series configurations. The 33D series covers standard output requirements up to Φ20–1,200 mm, while the 38D high-performance series extends the range up to Φ20–1,600 mm with higher throughput for large-diameter HDPE pipe production.

HDPE pipe extrusion process workflow from material feeding extrusion vacuum calibration cooling gauging marking haul off cutting and packaging

HDPE pipe extrusion process workflow from material feeding, extrusion and die forming to vacuum calibration, cooling, gauging, marking, haul-off, cutting, testing and packaging.

Key Features of SUHUI HDPE Pipe Extrusion Line

  • Wide Diameter Range: Configurations support Φ20–1,200 mm in the 33D series and Φ20–1,600 mm in the 38D high-performance series.
  • High-Output Single-Screw Extruder: Optimized screw and barrel design supports stable HDPE plasticizing, homogeneous melt delivery, and reliable extrusion output.
  • Precision Die Head: Spiral or basket die head design distributes melt evenly around the pipe circumference to support uniform wall thickness.
  • Vacuum Calibration Tank: Negative pressure fixes outer diameter and roundness immediately after die forming, helping maintain pipe dimensional accuracy.
  • Multi-Stage Cooling: Water cooling tanks with level control, flow meters, and double-loop filtration help stabilize pipe geometry and reduce internal stress.
  • Online Gauging and Feedback: Laser diameter and wall-thickness monitoring supports real-time process correction for more consistent pipe quality.
  • Servo Haul-Off and Synchronized Cutting: Multi-caterpillar haul-off and cutting units are matched to pipe diameter and line speed for stable downstream operation.
  • Automatic Control: PLC and HMI control support recipe management, temperature control, line speed synchronization, and operating status monitoring.
  • Application Flexibility: The HDPE pipe production line can be configured for water supply, gas distribution, sewage systems, drainage, and industrial pipeline applications.
  • Standards-Oriented Production: The line is designed to support HDPE pipe production for common requirements such as ISO 4427, ASTM D3350, and PN6–PN25 pressure grades.

Key components of an HDPE pipe extrusion line including gravimetric feeding extruder die head calibration tank cooling tanks gauge haul off cutter and stacker

Key HDPE pipe extrusion line components include material feeding, single-screw extruder, die head, vacuum calibration, cooling, online gauging, haul-off, cutting and pipe stacking.

HDPE Pipe Extrusion Line Technical Data

33D Series for Standard Output

ModelO.D. RangeExtruderMax. OutputMax. Haul-Off SpeedMotor Power
PE63Φ20–63 mmSJ65/33220 kg/h15 m/min55 kW
PE110Φ20–110 mmSJ65/33220 kg/h15 m/min55 kW
PE160Φ50–160 mmSJ75/33400 kg/h12 m/min110 kW
PE250Φ90–250 mmSJ75/33400 kg/h8 m/min110 kW
PE450Φ160–450 mmSJ90/33500 kg/h5 m/min160 kW
PE630Φ315–630 mmSJ120/33850 kg/h3.3 m/min280 kW
PE800Φ500–800 mmSJ120/331,000 kg/h1.8 m/min315 kW
PE1200Φ710–1,200 mmSJ150/331,300 kg/h0.8 m/min355 kW

38D Series for High-Performance Output

ModelO.D. RangeExtruderMax. OutputMax. Haul-Off SpeedMotor Power
HPE63Φ16–63 mmHSJ60/38350 kg/h30 m/min90 kW
HPE110Φ20–125 mmHSJ60/38450 kg/h25 m/min110 kW
HPE160Φ50–160 mmHSJ75/38550 kg/h15 m/min132 kW
HPE250Φ75–315 mmHSJ75/38650 kg/h12 m/min160 kW
HPE450Φ160–500 mmHSJ90/38900 kg/h8 m/min250 kW
HPE630Φ315–630 mmHSJ90/381,050 kg/h5 m/min280 kW
HPE800Φ500–800 mmHSJ120/381,300 kg/h2.5 m/min355 kW
HPE1200Φ710–1,200 mmHSJ175/38 + HSJ90/381,400 kg/h1.2 m/min160 + 250 kW
HPE1600Φ1,000–1,600 mmHSJ90/38 × 21,600 kg/h0.7 m/min250 × 2 kW

Final model selection depends on pipe diameter, wall thickness, pressure grade, output target, material recipe, and downstream handling requirements. Contact SUHUI for a customized HDPE pipe making machine proposal.

HDPE pipe diameter range and series selection for 33D standard output and 38D high performance output

The 33D and 38D series support different diameter ranges and output targets for standard and high-performance HDPE pipe production.

How the HDPE Pipe Extrusion Process Works

  1. Material Feeding: HDPE pellets, carbon black masterbatch, UV stabilizer, or approved recycled HDPE blends are fed into the extruder through gravimetric or controlled feeding equipment.
  2. Extrusion and Plasticizing: The single-screw extruder melts and homogenizes the material through controlled heating zones and screw shear.
  3. Die Forming: The melt passes through the pipe die head, where it is distributed evenly into the required pipe diameter and wall thickness.
  4. Vacuum Calibration: The hot pipe enters the vacuum calibration sleeve, where vacuum pressure fixes roundness and outside diameter before full cooling.
  5. Cooling and Stabilization: The pipe moves through water cooling tanks to stabilize dimensions, reduce internal stress, and prepare for pulling and cutting.
  6. Online Gauging: Laser or radar measuring equipment monitors diameter and wall thickness and supports closed-loop adjustments.
  7. Haul-Off and Cutting: Multi-caterpillar haul-off pulls the pipe at a controlled speed, and the cutting machine cuts pipe lengths without interrupting production.
  8. Testing and Packaging: Finished HDPE pipes are inspected, tested, bundled, coiled for small diameters, or stacked for shipment.

Vacuum calibration cooling and online gauging for HDPE pipe dimensional accuracy and closed loop feedback control

Vacuum calibration, cooling, online gauging and closed-loop feedback help control HDPE pipe diameter, wall thickness and roundness.

Stable Extrusion and Automatic Control

Stable HDPE pipe extrusion depends on the coordination of the screw and barrel, die head, cooling system, haul-off, and control system. SUHUI matches the extruder model, gearbox, motor drive, heating zones, cooling layout, and PLC/HMI control to the pipe size range and output target.

For buyers evaluating an HDPE pipe manufacturing machine, the control system is especially important because pipe wall thickness can change when melt pressure, cooling conditions, or haul-off speed are unstable. Online gauging and feedback control help operators identify deviations early and make process corrections before they become quality problems.

Stable extrusion and automatic control features for HDPE pipe extrusion including screw barrel gearbox motor inverter PLC and dosing system

Extruder design, gearbox, motor drive, inverter, dosing and PLC/HMI control work together to support stable HDPE pipe production.

HDPE Pipe Applications and Standards

HDPE pipes produced on this line are suitable for water supply networks, gas distribution, sewage and drainage systems, agricultural irrigation, mining pipelines, and industrial fluid transport. HDPE is widely used because it offers corrosion resistance, flexibility, butt-fusion weldability, and long service life in buried and above-ground pipeline projects.

The production line can be configured to support common HDPE pipe requirements such as ISO 4427, ASTM D3350, and PN6–PN25 pressure grades. Exact compliance depends on resin grade, tooling, line configuration, production control, testing, and the required local market standard.

HDPE pipe applications and standards for water supply gas distribution sewage drainage industrial pipelines ISO 4427 ASTM D3350 and PN6 PN25

HDPE pipe applications include water supply, gas distribution, sewage and drainage, and industrial pipelines, with production targets matched to required standards and pressure grades.

Frequently Asked Questions

What is the process of HDPE pipe extrusion?

HDPE pipe extrusion feeds HDPE pellets into a single-screw extruder, melts and homogenizes the material, forms the pipe through a die head, fixes diameter through vacuum calibration, cools the pipe, monitors dimensions online, then pulls, cuts, tests, and packages the finished pipe.

What is the difference between an HDPE pipe extrusion line and an HDPE pipe extrusion machine?

An HDPE pipe extrusion machine usually refers to the extruder or core production equipment, while an HDPE pipe extrusion line includes the complete system: feeding, extruder, die head, calibration tank, cooling tanks, gauging, haul-off, cutting, and pipe handling.

What pipe diameter range can the SUHUI HDPE pipe production line cover?

SUHUI configurations cover Φ20–1,200 mm in the 33D series and up to Φ20–1,600 mm in the 38D high-performance series. The exact line configuration depends on pipe diameter, pressure grade, output target, and wall thickness.

Why is vacuum calibration important in HDPE pipe production?

Vacuum calibration fixes the outside diameter and roundness while the pipe is still hot and formable. It helps prevent ovality, improves dimensional accuracy, and provides a stable pipe shape before the pipe enters the main cooling tanks.

Can the line process recycled HDPE material?

Yes, the line can be configured to blend approved recycled HDPE with virgin material when the final pipe application allows it. The usable percentage depends on recycled material quality, pipe standard, pressure grade, and customer quality requirements.

How do I choose between the 33D and 38D series?

Choose the 33D series for standard output and pipe ranges up to Φ1,200 mm. Choose the 38D series when higher throughput, faster production speed, or large-diameter pipe up to Φ1,600 mm is required.

What applications are HDPE pipes produced on this line suitable for?

HDPE pipes from this line can be used for water supply, gas distribution, sewage and drainage, irrigation, mining slurry, and industrial fluid transport. Final suitability depends on resin grade, pipe pressure class, standard compliance, and testing requirements.

From Inquiry to Delivery

  1. Send material details

    Tell us your material type, condition, required capacity and target output. Photos or videos help.

  2. Engineering review

    SUHUI reviews the feeding method, process route and machine configuration for your material.

  3. Factory-direct quotation

    You receive an equipment list and quotation, with capacity, layout, voltage and automation matched to the project.

  4. Manufacturing and shipment

    Production, testing, export packing and installation guidance through to commissioning.

Plastic machinery export packing and container loading at SUHUI factory

Factory Direct, Built for Export

Factory-direct manufacturing Machines are built in SUHUI's Zhangjiagang factory and quoted factory-direct.
Custom configuration Capacity, layout, voltage and automation level are matched to your project.
Export and after-sales support Shipment preparation, installation guidance and spare parts support.
20+ Years of Experience
40+ Skilled Employees
3,900 m² Production Base
50+ Countries Served
More About SUHUI
Get a Quote

Get a Quote

Interested in this product? Fill out the form and our team will get back to you within 24 hours.

Send Us a Message

To receive a more accurate recommendation, please include your material type, target product size, output requirement, line speed expectation, available workshop space, voltage and destination country in the message.

*
*
*
*

Product Inquiry

Please fill in the form below and we will contact you shortly.

*
*
*
*