| Customization: | Available |
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| Warranty: | 12 Months |
| Product Type: | Pre-Insulated Pipe |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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PEXA/PERT prefabricated insulated plastic piping system is a prefabricated three-layer composite pipe for community low-temperature central heating secondary networks (70/55ºC or 80/60ºC), with direct burial, low heat loss, long service life (over 50 years) and easy installation. It consists of PERT inner pipe, PU rigid foam insulation layer and HDPE outer jacket.
Technical process
Steel pipe loading → Pipe clamping & conveying → PE jacket extruding → PU foaming → Hydraulic correction of foam layer → Spray cooling → Positioner correction → Pipe connector cutting → Electric acceleration pipe removal → Heat shrink band end protection → Finished pipe inspection → Marking, packaging & offloading
| No. | Equipment Name |
| 1 | Straight Conveyor |
| 2 | Pneumatic Tire Pressing Feeder |
| 3 | Foaming machine (Polyol & Isocyanate Tanks) |
| 4 | Automatic Loading Dryer |
| 5 | SJ-120/33 Single-Screw High-Efficiency Extruder |
| 6 | Jacket Pipe Extruder Die / Tooling |
| 7 | Calibration Sleeve |
| 8 | Alignment / Correction Machine |
| 9 | In-line Cutting Machine |
| 10 | Spray Cooling System |
| 11 | Control Cabinet / Operator Panel |




