Advanced PUR Spray PE Wrap insulated Pipe Manufacturing System
Product Description:
Introduction
Huashida's independently developed Advanced PUR Spray PE Wrap Insulated Pipe Manufacturing System integrates three core sections: an external shot-blasting and derusting production line, a polyurethane spray-foaming line, and a PE wrap-winding production line.
This system holds multiple national patents, with a third-party certified technology level 5 rating, achieving domestic leading standards. It has also been recognized as the Shandong Province First Set of Technical Equipment.
Featuring a continuous PUR spraying process, this production system offers high automation, fast production efficiency, and raw material savings. It delivers improved foaming and closed-cell ratio, low water absorption, trinity molding structure, and stable, reliable performance. The low-carbon, eco-friendly final products provide outstanding economic and social benefits.
Production Process
1. Steel pipe surface shot blasting and de-rusting
2. Medium-frequency induction preheating
3. Uniform polyurethane spray foaming
4. HDPE strip wrapping over PU foam layer
5. Finished pipe end trimming
Main Equipment Composition
| No. | Equipment Name |
|---|---|
| 1 | External wall shot blasting derusting machine |
| 2 | Medium-frequency induction heating furnace |
| 3 | Polyurethane spray foaming unit |
| 4 | Pipe rotator trolley |
| 5 | Single screw extruder and die head mould |
| 6 | Finished pipe end trimming machine |
| 7 | Pipe conveyors and racks |
| 8 | Electrical control system and PLC |
Process Photos
1. External Shot Blasting & PU foaming
2. PU foaming curing & PE film extrusion
2. Conveyor & Pipe End repair
Company Profile:
Founded in 2003, Qingdao Huashida Machinery Co., Ltd. has specialized in PUR spray PE wrap-insulated pipe manufacturing systems, polyurethane-insulated pipe production lines, 3PE anticorrosion pipe production lines, large-diameter underground pipeline lines, and plastic pipe fittings for over 20 years.
We maintain close cooperation with Beijing University of Chemical Technology, Qingdao University of Technology, and other research institutions. By integrating global advanced technologies, Huashida has become one of the top 3 manufacturers in China's pipeline equipment industry.
Our machines are widely recognized and exported to Saudi Arabia, Kazakhstan, Uzbekistan, the UAE, Turkey, Russia, and global markets.
International Exibition & Customer Visits:
Certifications:
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