Φ20–Φ110 mm HDPE Pipe Extrusion Line by QTech-Machinery
Introduction

This video presents a complete Φ20–Φ110 mm HDPE pipe extrusion line supplied by QTech-Machinery for PE100 water supply pipe production. The line is designed for stable extrusion, accurate pipe sizing, efficient cooling, flexible cutting, and both coiled and straight pipe collection.
For buyers looking for an HDPE pipe extrusion line manufacturer in China, this video provides a practical view of how a complete PE pipe production line works from raw material feeding to finished pipe handling.
Project Overview
The customer required a medium-capacity HDPE pipe production line for manufacturing small and medium-diameter PE water pipes. QTech-Machinery designed a complete solution based on the customer’s pipe range, material type, output target, color stripe requirement, and downstream collection needs.
Project Information
| Item |
Details |
| Supplier |
QTech-Machinery |
| Line Type |
HDPE Pipe Extrusion Line |
| Pipe Range |
Φ20–Φ110 mm |
| Raw Material |
PE100 HDPE |
| Product |
HDPE Water Supply Pipe |
| Pipe Color |
Black with Four Color Stripes |
| Output |
200–250 kg/h |
| Line Speed |
1–25 m/min |
| Collection |
Winder and Stacker |
| Application |
Water Supply, Irrigation, Municipal Pipeline |
Customer Requirement
The customer needed a reliable PE pipe making machine that could produce different pipe sizes with stable quality and practical operation.
Main Requirements
| Requirement |
Description |
| Pipe Size |
Φ20–Φ110 mm |
| Material |
PE100 HDPE |
| Output |
200–250 kg/h |
| Marking |
Four color stripes |
| Quality |
Stable wall thickness and diameter |
| Collection |
Coiled pipe and straight pipe |
| Automation |
Easy operation and less manual work |
| Supplier Scope |
Complete line from one supplier |
Solution Provided by QTech-Machinery
QTech-Machinery supplied a complete line based on an SJ75/33 single-screw extruder, matched with automatic feeding, drying, gravimetric metering, color stripe co-extrusion, pipe die, vacuum calibration, spray cooling, servo haul-off, combined cutting, winding, and stacking.
Solution Summary
| Section |
Equipment |
Function |
| Feeding |
Vacuum Loader |
Automatic material transfer |
| Preparation |
Hopper Dryer |
Material drying |
| Extrusion |
SJ75/33 Extruder |
HDPE melting and plasticizing |
| Control |
Gravimetric System |
Material and meter weight control |
| Marking |
SJ25/25 Co-Extruder |
Four color stripes |
| Forming |
Pipe Die Head |
Pipe shape forming |
| Sizing |
Vacuum Tank |
Diameter and roundness control |
| Cooling |
Spray Cooling Tanks |
Pipe cooling |
| Pulling |
Servo Haul-Off |
Stable pipe traction |
| Cutting |
Combined Cutter |
Fly-knife and chipless cutting |
| Collection |
Winder + Stacker |
Coil and straight pipe handling |
Video Section 1: Material Feeding

The production starts with automatic material feeding. HDPE granules are transferred by the vacuum loader into the drying and feeding section. This reduces manual labor and helps keep the extrusion process continuous.
Feeding Section Benefits
| Feature |
Benefit |
| Automatic Loading |
Reduces manual feeding |
| Stable Supply |
Supports continuous extrusion |
| Cleaner Process |
Reduces material scattering |
| Easy Integration |
Works with dryer and extruder |
| Practical Operation |
Suitable for long production shifts |
Video Section 2: SJ75/33 Main Extruder

The SJ75/33 single-screw extruder is the core of this HDPE pipe extrusion line. It processes PE100 material and provides stable melt output for pipe production.
Main Extruder Data
| Item |
Specification |
| Model |
SJ75/33 |
| Screw Diameter |
75 mm |
| L/D Ratio |
33:1 |
| Material |
PE100 HDPE |
| Output |
200–250 kg/h |
| Motor |
Siemens Beide AC Motor |
| Motor Power |
110 kW |
| Inverter |
ABB |
| PLC |
Siemens |
| HMI |
MCGS Touchscreen |
Extruder Value
The extruder helps ensure stable plasticizing, continuous output, smooth pipe surface, and reliable long-term production. It is suitable for customers who need a medium-output HDPE pipe extrusion machine for water pipe manufacturing.
Video Section 3: Gravimetric Metering

The gravimetric system monitors raw material feeding and helps control pipe meter weight. This is important because raw material cost is a major part of HDPE pipe production.
Gravimetric Benefits
| Benefit |
Description |
| Material Control |
Tracks feeding amount |
| Meter Weight Stability |
Helps control pipe weight |
| Wall Thickness Support |
Reduces fluctuation |
| Material Saving |
Avoids unnecessary overuse |
| Production Data |
Gives operators useful information |
Video Section 4: Color Stripe Co-Extrusion

The line includes an SJ25/25 color stripe co-extruder. It adds four color stripes on the black HDPE pipe surface for pipe identification.
Co-Extruder Information
| Item |
Details |
| Model |
SJ25/25 |
| Function |
Color stripe marking |
| Stripe Quantity |
Four stripes |
| Pipe Color |
Black body |
| Application |
PE water supply pipe |
| Value |
Improves product recognition |
Color stripes help users identify pipe application and make the finished pipe more suitable for water supply markets.
Video Section 5: Pipe Die and Sizing Sleeves

The pipe die forms the molten HDPE into the required pipe shape. The die system is designed for Φ20–Φ110 mm pipe production.
Die Configuration
| Item |
Configuration |
| Pipe Range |
Φ20–Φ110 mm |
| Material |
40Cr forged steel |
| Flow Design |
Spiral melt distribution |
| Sizing Sleeves |
Copper |
| Function |
Pipe forming |
| Target |
Smooth surface and stable diameter |
A well-designed die head supports uniform melt flow, better pipe appearance, and more stable wall thickness.
Video Section 6: Vacuum Calibration Tank

After extrusion, the pipe enters a 9-meter vacuum calibration tank. This section controls pipe outer diameter, roundness, and initial cooling.
Vacuum Tank Data
| Item |
Specification |
| Length |
9 m |
| Material |
SUS304 stainless steel |
| Function |
Vacuum sizing and cooling |
| Pipe Range |
Φ20–Φ110 mm |
| Cooling |
Internal spray cooling |
| Control |
Constant-pressure vacuum |
The vacuum tank is critical for pipe dimensional accuracy and helps prevent ovality or diameter fluctuation.
Video Section 7: Spray Cooling Tanks

The pipe then passes through two 6-meter spray cooling tanks. These tanks provide further cooling before haul-off and cutting.
Cooling Layout
| Cooling Unit |
Quantity |
Length |
Function |
| Vacuum Tank |
1 |
9 m |
Initial sizing |
| Spray Tank |
2 |
6 m each |
Secondary cooling |
| Total Cooling |
3 tanks |
21 m |
Pipe stabilization |
Sufficient cooling helps prevent pipe deformation during pulling, cutting, or winding.
Video Section 8: Servo Haul-Off

The line uses a three-caterpillar servo haul-off with strong and stable pulling force.
Haul-Off Data
| Item |
Specification |
| Type |
Three-caterpillar |
| Control |
Servo |
| Pulling Force |
10,000 N |
| Pipe Range |
Φ20–Φ110 mm |
| Clamping |
Pneumatic |
| Function |
Stable traction |
Stable haul-off speed helps maintain pipe wall thickness and line synchronization.
Video Section 9: Combined Cutting System

The cutting system combines fly-knife cutting and chipless cutting, giving the customer more flexibility for different pipe sizes and product requirements.
Cutting Options
| Cutting Type |
Advantage |
| Fly-Knife Cutting |
Fast and suitable for continuous production |
| Chipless Cutting |
Cleaner cut with less waste |
| Combined System |
Flexible for different orders |
The cutter works together with the haul-off system to keep pipe length and cutting quality stable.
Video Section 10: Winding and Stacking


The production line supports both coiled pipe and straight pipe collection.
Collection Method
| Pipe Type |
Equipment |
| Small Pipe Coils |
Double-station winder |
| Larger Coils |
Single-station winder |
| Straight Pipes |
5 m discharge stacker |
This flexible downstream design helps the customer serve different market demands, including irrigation pipes, water supply pipes, and straight pipe orders.
Electrical Control System
The electrical system uses reliable components for stable operation and easier control.
Control Configuration
| Component |
Brand / Type |
Function |
| PLC |
Siemens |
Main control |
| HMI |
MCGS |
Touchscreen operation |
| Inverter |
ABB |
Speed control |
| Motor |
Siemens Beide |
Extruder drive |
| Servo |
Servo system |
Haul-off control |
The operator can adjust production parameters through the touchscreen, making the line easier to manage and maintain.
Complete Production Flow
| Step |
Process |
Equipment |
| 1 |
Material feeding |
Vacuum loader |
| 2 |
Drying |
Hopper dryer |
| 3 |
Plasticizing |
SJ75/33 extruder |
| 4 |
Metering |
Gravimetric system |
| 5 |
Color marking |
SJ25/25 co-extruder |
| 6 |
Forming |
Pipe die |
| 7 |
Sizing |
Vacuum tank |
| 8 |
Cooling |
Spray tanks |
| 9 |
Pulling |
Servo haul-off |
| 10 |
Cutting |
Combined cutter |
| 11 |
Coiling |
Pipe winder |
| 12 |
Stacking |
Discharge stacker |
Key Advantages of This Line
| Advantage |
Customer Value |
| Complete Solution |
One supplier provides the full line |
| PE100 Compatibility |
Suitable for water pipe production |
| Stable Output |
200–250 kg/h capacity |
| Accurate Control |
Gravimetric and servo systems |
| Color Stripe Function |
Supports pipe identification |
| Efficient Cooling |
21 m total cooling length |
| Flexible Cutting |
Fly-knife and chipless options |
| Flexible Collection |
Winding and stacking available |
| Reliable Components |
Siemens, ABB, MCGS |
| Practical Operation |
Easy control and maintenance |
Recommended Applications
The pipes produced by this line can be used in different markets.
| Application |
Description |
| Water Supply |
PE100 water pipe production |
| Irrigation |
Agricultural pipe systems |
| Municipal Pipeline |
City water networks |
| Construction |
Building water supply |
| Industrial Use |
Fluid transportation |
| Rural Projects |
Small and medium water networks |
Buyer Checklist Before Inquiry
Before requesting a quotation from QTech-Machinery, buyers can prepare the following information:
| Information |
Purpose |
| Pipe Diameter |
Determines machine size |
| Wall Thickness / SDR |
Affects output and cooling |
| Material Grade |
Confirms screw and die design |
| Output Requirement |
Determines extruder model |
| Pipe Application |
Helps select configuration |
| Stripe Requirement |
Confirms co-extruder |
| Collection Method |
Confirms winder or stacker |
| Factory Voltage |
Confirms electrical design |
| Workshop Size |
Helps prepare layout |
Conclusion
This video introduces a complete Φ20–Φ110 mm HDPE pipe extrusion line supplied by QTech-Machinery for PE100 water supply pipe production. The line combines automatic feeding, SJ75/33 extrusion, gravimetric control, color stripe co-extrusion, vacuum calibration, spray cooling, servo haul-off, combined cutting, winding, and straight pipe stacking.
With a pipe range of Φ20–Φ110 mm, output of 200–250 kg/h, and support for both coiled and straight pipes, this project provides a practical reference for customers searching for a reliable HDPE pipe extrusion line manufacturer in China.
Contact QTech-Machinery to get a customized HDPE pipe production line proposal based on your pipe size, SDR, raw material, output, voltage, and workshop layout.