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PU Spray Foam Pre-insulated Pipeline Production Facility
The Prefabricated Polyurethane (PUR) Spray Foam Insulated Pipe with Polyethylene (PE) Jacketing for Direct Burial is a composite piping system comprising three integral layers:
Carrier Steel Pipe: Serves as the primary conduit for heating/cooling media (e.g., hot water, steam, or chilled liquids).
Spray-Applied Polyurethane Foam Insulation: A rigid, closed-cell PUR layer uniformly coated onto the steel pipe surface to minimize thermal losses.
Extruded Polyethylene (PE) Outer Jacket: A seamless protective barrier against mechanical stress, moisture ingress, and soil corrosion.
During manufacturing, both the insulation thickness (typically 30-100 mm) and jacket thickness (commonly 2-8 mm) can be precisely customized within standardized ranges. This adaptability allows for performance optimization based on:
Operating Parameters: Medium temperature (-50°C to +140°C), pressure (≤2.5 MPa), and flow rate.
Thermal Efficiency Requirements: Calculated heat dissipation rates under specific burial depths and soil thermal conductivity conditions.
By aligning design specifications with project-specific thermal load calculations and environmental factors, these pre-engineered pipes ensure compliance with energy efficiency standards (e.g., EN 253, CJ/T 114) across diverse applications, including district heating networks, industrial process cooling, and geothermal systems.
OVERVIEW:DETAILS
Qingdao Huashida Machinery Co., Ltd was established in 2003 and has focused on plastic pipe production line, 3LPE anti-corrosion processing line and joints of plastic pipes & 2PE 3PE pipes for over 15 years, we are private high-tech enterprises integrated by R&D, manufacturing, selling, service and trading. We are always concentrating on research and development of plastic extrusion equipments, tightly cooperating with Tsinghua University, Beijing University of chemical technology, South China university of technology and some other colleges and scientific research institutions. Meanwhile, by absorbing advanced technology home and abroad, we have been one of the top manufacturers of plastic extrusion machines in China, especially of PE insulation jacket pipe extrusion line, 3PE anti-corrosion processing line, and PE hollow wall spiral pipe production line.
Established in 2003, Qingdao Huashida Machinery Co., Ltd. is a leading private high-tech enterprise dedicated to the integrated operations of R&D, manufacturing, sales, service, and trading. Our factory spans an area of approximately 4,000 square meters and employs 70 skilled professionals. We operate two main production facilities: one specializing in pipe-making production lines and the other in pipeline plastic joints. Our technical prowess is underpinned by a team of over 10 engineers and two state-of-the-art detection and control testing laboratories. Our commitment to innovation has earned us more than 30 technical patents, as well as certifications such as ISO 9001 for quality management, ISO 14001 for environmental management, SGS, DVGW, and CE. Qingdao Huashida Machinery Co., Ltd. is deeply committed to the research and development of plastic extrusion equipment. We maintain close collaborations with prestigious institutions such as Tsinghua University, Beijing University of Chemical Technology, and South China University of Technology. By continuously absorbing advanced technologies both domestically and internationally, we have positioned ourselves as one of China's top manufacturers of plastic extrusion machines. We excel particularly in the production of PE insulation jacket pipe extrusion lines, 3PE anti-corrosion processing lines, and PE hollow wall spiral pipe production lines.
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