Vacuum-calibrated polyurethane pre-insulated pipes deliver superior thermal insulation and long service life. Featuring a steel carrier pipe, PU insulation layer, and HDPE protective jacket, the system ensures excellent strength, corrosion resistance, and energy efficiency. Produced using
advanced vacuum calibration technology, the HDPE jacket pipes offer high dimensional accuracy and consistent quality, making them an ideal choice for district heating and cooling pipeline systems.
The vacuum calibrating and insulation pipe production line is currently the most advanced and popular series of anti-corrosion and insulation vacuum sizing pipe production lines internationally.The "Insulation Pipe Production Line" of Qingdao Huashida Machinery Co., Ltd. has been recognized as a First (Set) Technical Equipment in Shandong Province.
Advantages of the production line:1. High-performance extruder: strong, wear- and corrosion-resistant with excellent plasticizing capability
2. Precise temperature control: ceramic heating rings + fan cooling with automatic regulation
3. Intelligent control system: PLC + DCL software with intuitive HMI for easy operation
4. Efficient cutting: planetary cutting unit with segmented head for clean, vertical cuts, no secondary processing
5. Clean production: integrated sawdust collection system keeps the workspace tidy
Qingdao Huashida Machinery Co., LTD., founded in 2003, is a global developer, manufacturer and solution provider of plastic extrusion equipment. 70% of its customers come from overseas countries such as Europe, America, the Middle East and Southeast Asia.
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