Computerized Polyurethane Spraying Foam Preinsulated Steel Pipe Making Machine

The polyurethane sprayed polyethylene thermal winding preinsulation pipe production line independently developed by Huashida consists of three integrated systems: external shot blasting and derusting collector production line, polyurethane spraying production line, and PE winding production line. This advanced equipment holds multiple national patents and has received third-party standardized evaluation reports confirming a technology advanced level of 5, reaching domestic leading standards. It has also been recognized as the first set of technical equipment in Shandong Province.

The production line utilizes continuous spraying technology with high automation levels, delivering fast production efficiency while saving raw materials. It achieves increased foaming and closed cell rates with lower water absorption, featuring trinity molding for more reliable performance. The manufactured products offer low carbon environmental protection with higher economic and social benefits.

Production Technology Flow:

• Remove rust from steel pipe surface
• Preheat the steel pipe for polyurethane spraying
• Spray polyurethane evenly on steel pipe outer surface
• Wrap melted HDPE strap around the PU foam
• Trim the pipe ends

Main Line Composition:

The Huashida Polyurethane Spraying Foam Preinsulated Steel Pipe Making Machine is a versatile equipment designed for pre-insulated pipe manufacturing applications across various industries:

• Industrial Construction Projects: Manufacturing insulation steel pipes for oil and gas pipelines, heating and cooling systems, and chemical processing plants
• Municipal Infrastructure Development: Producing pre-insulated pipes for underground water supply, sewage systems, and district heating networks
• Energy Sector Installations: Serving power plants, renewable energy facilities, and thermal energy stations for their piping requirements
• Residential and Commercial Building Projects: Ensuring efficient thermal insulation and long-lasting performance in construction projects
• Infrastructure Rehabilitation: Replacing aging pipelines in urban areas to improve energy efficiency and reduce maintenance needs

With turnkey project capabilities and computerized operation, this machine offers reliable solutions for diverse industrial applications.

Our comprehensive product technical support and services ensure smooth operation and maintenance. Our expert team provides assistance with machine installation, setup, and troubleshooting. We also offer training sessions to familiarize users with equipment operation and optimize performance.

Qingdao Huashida Machinery Co., Ltd was established in 2003. For over 20 years, Huashida has specialized in plastic polyurethane insulation pipe production lines, 3PE anti-corrosion pipe production lines, large diameter underground pipe production lines, and plastic pipe joints. We maintain strong focus on research and development, collaborating with Beijing University of Chemical Technology, Qingdao University of Technology, and other scientific research institutions.

By absorbing advanced domestic and international technologies, Huashida has become one of the top three manufacturers in the industry in China. Our machines have been well received in international markets including Saudi Arabia, Kazakhstan, Uzbekistan, United Arab Emirates, Turkey, Russia, and others.