PPR and PPH pipe is bought on trust: a plumber joins it with a heat-fusion weld and expects the joint to hold for decades. That trust is built on the extrusion line, not on the pipe alone. Five production realities decide whether a PPR/PPH line earns money or creates claims.
PPR has a higher melt viscosity and a narrower processing window than HDPE. A general-purpose screw produces surging output, unmelted particles and inconsistent wall thickness.
Response: Chenxing matches the extruder to the material — from SJ65/30 for 16-63 mm pipe up to SJ150/33 for 600-1200 mm pipe — with a 30:1 or 33:1 L/D single screw, Siemens main motor, ABB inverter and Omron temperature control keeping the melt stable.
Every serious pipe buyer asks for a marking line: material code, dimension, standard number, production date, and manufacturer name on the pipe surface.
Response: each line includes a co-extruder for the marking line (SJ25/25, SJ30/25 or SJ40/25 depending on pipe size), running alongside the main extruder so the stripe is co-extruded into the pipe wall and cannot rub off.
A pipe that is not perfectly round cannot be fusion-welded reliably, and a wall that varies forces the producer to run heavy and lose margin.
Response: a vacuum calibration tank followed by a water spray tank cools and sizes the pipe progressively, while the haul-off holds a constant line speed. The standard 20-110 mm line uses Ф110 x 6 m calibration and spray tanks.
Dry cutting of PPR produces dust and chips inside and outside the pipe, which contaminate drinking water lines and require a cleaning step.
Response: the line uses a no-dust cutter (2.2 kW) so the pipe end comes off clean, ready for socketing and fusion. The cutter is paired with a stable haul-off to guarantee the preset length.
Pipe that has been dropped or dragged at the end of the line is often rejected on site.
Response: the stacker (6 m) receives the finished pipe in an aligned, controlled way, protecting the surface before packing and loading.
The Water Supply / Drainage HDPE, PE, PPR, PP Pipe Extrusion Production Line is a complete single-screw pipe extrusion plant built to produce pipe with excellent stiffness and flexibility, heat resistance, aging resistance, high mechanical strength, resistance of environmental stress cracks and resistance to creep deformation — with heat-linkage (heat fusion) joining. This makes it the preferred line for ductwork systems for gas, water pipe and agricultural irrigation pipe between city and village.
The same platform covers PPR, PPH, HDPE, PE, ABS, PEX and silicon core pipes, including hollow and foam types, across a pipe diameter range of 20 mm to 1200 mm and a maximum output of 1000 kg/h.
Model NO.: SJ65/28
Screw No.: single-screw
Main motor: Siemens
Inverter: ABB
Temperature control: Omron
Power: 550 kW
Voltage: 380V 220V 440V
Usage: water / gas pipe
Pipe diameter: 20-1200 mm
Screw material: 38CrMoAlA
Core components: motor, pump, PLC, gearbox, screw
Certification: CE, ISO9001:2008, SGS
After-sales service: engineer to your factory for installation help
See the whole family on the pipe extrusion line overview and the related pipe extrusion line solution page.
| No. | Machine Name | Model | Qty. |
|---|---|---|---|
| 1 | Auto-loader | ZJ200 | 1 set |
| 2 | Hopper Dryer | STG-U250, 150 KG | 1 set |
| 3 | Single Screw Extruder | SJ90/30, 55 KW | 1 set |
| 4 | Co-extruder (for marking line) | SJ25/25 | 1 set |
| 5 | PP-R Pipe Mould | Ф20-110 mm | 1 set |
| 6 | Vacuum Calibration Tank | Ф110 x 6 m | 1 set |
| 7 | Water Spray Tank | Ф110 x 6 m | 1 set |
| 8 | Haul-off Machine | 1.5 kW x 2 | 1 set |
| 9 | No-dust Cutter | 2.2 kW | 1 set |
| 10 | Stacker | 6 m | 1 set |
This is the reference configuration for the 20-110 mm range; for larger diameters the extruder, mould and downstream tanks are scaled up according to the model table below.
| Model | Pipe range (mm) | Extruders | Max. output (kg/h) | Total power (kW) |
|---|---|---|---|---|
| HDPE/PPR-63 | 16-63 | SJ65/30 + SJ25/25 | 100 | 75 |
| HDPE/PPR-110 | 50-110 | SJ90/30 + SJ25/25 | 180 | 130 |
| HDPE/PPR-160 | 63-160 | SJ90/30 + SJ25/25 | 200 | 150 |
| HDPE-250 | 110-250 | SJ90/33 + SJ25/25 | 320 | 185 |
| HDPE-315 | 160-315 | SJ100/30 + SJ30/25 | 350 | 220 |
| HDPE-450 | 250-450 | SJ120/33 + SJ30/25 | 500 | 300 |
| HDPE-630 | 315-630 | SJ150/30 + SJ40/25 | 600 | 330 |
| HDPE-800 | 400-800 | SJ150/33 + SJ40/25 | 800 | 400 |
| HDPE-1200 | 600-1200 | SJ150/33 + SJ40/25 | 1000 | 550 |
The first column of each row is the main extruder; the second is the marking co-extruder. Total power includes the complete line. Because the extruder, mould and tanks are selected per diameter, a producer can start with a 63 mm line and grow into larger diameters using the same engineering platform, as on the HDPE pipe production line and the PPR pipe extrusion line solution.
Material handling starts upstream: the auto-loader ZJ200 conveys resin to the hopper, and the hopper dryer STG-U250 (150 KG) removes surface moisture before the material reaches the screw. Moisture in PPR or HDPE produces bubbles and silver streaks on the pipe surface. For larger centralized feeding, Chenxing also builds the continuous powder suction machine and powder suction machine.
The heart of the line is a single-screw extruder with 30:1 or 33:1 L/D, a Siemens main motor and an ABB inverter. Combined with frequency conversion technology, this delivers the high production efficiency the range is known for: up to 1000 kg/h at 120 rpm screw speed. The barrel is heated in zones controlled by Omron temperature controllers, and the screw and barrel are made of 38CrMoAlA for wear resistance. See the broader extruder range.
The marking co-extruder (SJ25/25 for small diameters, SJ30/25 for 160-450 mm, SJ40/25 for 315-1200 mm) feeds a stripe of contrasting colour into the die, so the pipe carries a permanent co-extruded identification line.
The PP-R pipe mould is supplied to match the diameter range — for example Ф20-110 mm on the standard line. Moulds for larger diameters are matched to the model table, and Chenxing can produce multi-layer structures where required, similar in approach to the 3-layer high speed PE/PPR/HDPE pipe extrusion line and the ABS pipe production line.
The Ф110 x 6 m vacuum calibration tank sets the outside diameter under vacuum while the Ф110 x 6 m water spray tank continues cooling at a controlled rate. Progressive cooling is what keeps ovality low and internal stress out of the pipe wall.
The haul-off uses 1.5 kW x 2 drive for the 20-110 mm line, sized up in proportion for larger diameters. It pulls the pipe at constant speed so wall thickness stays uniform along the full length.
The 2.2 kW no-dust cutter cuts the pipe cleanly without generating dust or swarf, so the pipe end is immediately ready for socketing and heat fusion. The cutter works in sequence with the haul-off for accurate preset lengths.
The 6 m stacker collects the finished pipe in an orderly way, protecting the surface from scratches before packing.
| Component | Brand / Specification |
|---|---|
| Main motor | Siemens |
| Inverter | ABB |
| Temperature control | Omron |
| Screw material | 38CrMoAlA |
| Power | 550 kW |
| Voltage | 380V 220V 440V (380V 50Hz 3-phase standard, customizable) |
| Screw speed | 120 rpm |
| Certification | CE, ISO9001:2008, SGS |
The pipe produced on this line offers excellent stiffness and flexibility, heat resistance, aging resistance, high mechanical strength, resistance of environmental stress cracks, resistance to creep deformation and heat-linkage joining. The line is therefore preferred for:
Water supply networks — city and village drinking water distribution
Drainage systems — see also the plastic drainage pipe machine
Gas ductwork — gas distribution pipe networks
Agricultural irrigation — irrigation pipe between city and village, listed among our applications
Conduit and garden pipe — industrial and civil conduit, and garden hose cores
Silicon core, hollow and foam pipe — special structures produced on the same platform
Related lines in the same program include the corrugated pipe extrusion line solution, the double wall corrugated pipe extrusion line, the single wall corrugated pipe extrusion line, the PVC fiber reinforced soft pipe extrusion line and the other type pipe extrusion line solution.
Every Chenxing line comes with a 1-year warranty and 1 year of free wear-out spare parts. Because PPR/PPH processing is sensitive to settings, after-sales support matters as much as the hardware:
Engineer to your factory for machine installation, testing and operator training
Phone and remote troubleshooting first; if the phone solution does not work, our engineers will travel to your factory to solve the problem and teach your team the related fixing experience
Machines packed for sea freight and confirmed with the shipping plan per order
Certificates: CE, ISO9001:2008 and SGS; if you need other certificates, we can help to apply
Zhangjiagang Chenxing Machinery Co., Ltd. builds double-screw and single-screw extruders, complete extrusion production lines and auxiliary equipment — including PE, PP, PVC and PP-R plastic pipe production lines, plastic profile production lines, pelletizing lines and recycling lines. With more than 20 years of experience, machines shipped to markets such as Egypt, Thailand, Malaysia, India, Russia, Turkey, Zambia, Algeria and Indonesia, plus Siemens motors, ABB inverters and Omron temperature control, the line is specified for long-term production rather than for lowest purchase price.
Explore the profile extrusion line and profile extrusion line solution for profiles, the board sheet extrusion line for sheet, the two-stage recycling machine for in-house reclaim, or an automatic compounding system solution for upstream material preparation.
Always 30% down payment as deposit, 70% balance paid before shipping.
T/T, L/C at sight or trade assurance.
Yes. Every set of machine comes with a professional engineer sent to your factory to help with installation and testing, and to train your workers.
Yes. Besides CE, ISO9001:2008 and SGS, if you need other certificates we can also help to apply for them.
Yes. We provide our high quality machine with a 1-year guarantee, and we also offer 1 year of free wear-out spare parts. If your machine breaks down or does not work within one year, we first help you to find the problem from your description by phone or other communication tools; if that does not solve it, our engineers will go to your factory, solve it on site and teach your team the related experience.
380V 50Hz 3-phase as standard, with other voltages such as 220V and 440V available according to your requirement. For further questions, see the FAQ list.
Send Chenxing the pipe diameters you plan to produce, the material (PPR, PPH, HDPE, PE, ABS, PEX or silicon core pipe) and your target output; the engineering team will confirm the extruder model, mould, downstream tanks and the packing and shipping plan in a written quotation.
Nicole — Email: ceo@cxsljx.com | Tel WeChat WhatsApp: +86 159 5118 7228
Share your pipe specification and destination port, and we will reply within 24 hours. To compare the machine configuration and working stations in more detail, view more machine details. For machine news and technical documents, see Company News and Downloads.