
Producing technology flow of the polyurethane coating steel preinsulated pipe equipment:



All line Composition of the polyurethane coating steel preinsulated pipe equipment:
| No. | name |
| 1 | External wall Shot blasting rust removel machine |
| 2 | Medium-frequency induction heating furnace |
| 3 | Polyurethane spraying unit |
| 4 | Single screw extruder and diehead mould |
| 5 | Finished pipe ends trimming machine |
| 6 | Conveyers, racks and robotics to move and handle the pipe |
| 7 | Electrical system and PLC |

Qingdao Huashida Machinery Co., Ltd was established in 2003. Since its inception, Huashida has focused on plastic polyurethane insulation pipe production line, 3PE anti-corrosion pipe production line, large diameter underground pipe production line and plastic pipe joints for 20 years. We always attach great importance to research and development,

