Spraying winding pipe production line, the spraying and winding process set by Walstar first carried out shot blasting and rust removal treatment on the surface of the steel pipe. After polyurethane spraying was completed, polyethylene sheet could be wrapped. After cooling and cooling, the polyethylene outer layer would produce circumferent shrinkage force, increasing the reliability of the trinity.

range of application	Production pipeline
Material	pe
Advantage	economy of materials

Technological flow of the polyurethane coating steel preinsulated pipe equipment:

1. Remove rust from steel pipe surface

2. Heat the steel pipe to get it ready for polyurethane spraying

3. Spray polyurethane evenly on steel pipe outer surface

4. Wrap melted HDPE strap around the PU foam

5. Trim the pipe ends

Composition of the polyurethane coating steel preinsulated pipe equipment:

1. 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

Polyurethane Spraying Foam Pre Insulated Steel Pipe Making Machine PLC Control

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,

collaborating closely with Beijing University of chemical technology, Qingdao university of technology and scientific research institutions. by absorbing advanced technology home and abroad, after 20 years of endeavor we now rank one of the top 3 manufacturers in the industry in China. Huashida machines have been well received in Saudi Arabia, Kazakhstan, Uzbekistan, United Arab Emirates, Turkey, Russia, etc.

Thank you very much for you looking into Huashida equipment. For more details, please come back to us. We will respond immediatedly

and work out a customized plan for you according to your requirements and demands.

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Polyurethane Spraying Foam Pre Insulated Steel Pipe Making Machine PLC Control

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