Automatic Computerized Pre-Insulated Pipe Production Line with HDPE Jacket Extrusion and Vacuum Calibration

Single screw is with barrier & mixing head; new model barrel with slotting (channel), Both make the security of good jellification, large output and stable performance.

Die-head is mainly composed of mandril, neck mold, spiral body, cover, die-head body, bolts, and heating rings.
The inside surface touching with plastic materials is polished and chrome plated to ensure plastic materials flow smoothly and to ensure no rusting. The uniformity of pipe wall thickness can be adjusted by bolts. The copper calibrating sleeve fixed in die-head is mainly used to cool down the fresh pipe and to calibrate the pipe outer diameter.

Vacuum calibration tank is mainly composed of frame, stainless steel tank, vacuum system, spray cooling system, position adjustment device. The vacuum pump exhausts the air from the sealed tank to pressurize the fresh pipe cling to calibrating copper sleeve and to calibrate the outer diameter.  Spray nozzles spray cooling water from all directions on pipe surface to cool down the pipe promptly.

Haul-off machine is mainly composed of driving device, tracks, clamping structure, adjusting system, side plate and foundation bed. Haul-off tracks are driven by AC motor with frequency conversion control to adapt to different extrusion speed.
Automatic length measuring device realizes cutting at a set length.

Qingdao Huashida Machinery Co., Ltd., established in 2003, is a private high-tech enterprise integrating R&D, manufacturing, sales, service, and trading. Over the years, the company has been dedicated to the development and production of plastic pipe extrusion lines, plastic pipe joints, and 2PE/3PE pipe machinery. By maintaining close cooperation with well-known universities and research institutions and continuously absorbing advanced technologies from both domestic and international markets, the company has become one of the leading manufacturers of plastic extrusion equipment in China, especially in PE insulation jacket pipe extrusion lines, PE/PP sheet extrusion lines, and PE hollow wall spiral pipe production lines. Located in Qingdao High & New Technology Industrial Area, Huashida Industrial Park, with an area of approximately 4,000 square meters, the company has accumulated rich experience in extrusion machinery as well as pipe joints and welding tools such as heat shrinkable sleeves and electrofusion sleeves. Its products are widely used in municipal heating systems, water supply and drainage pipelines, oil and gas transportation, and various pipeline insulation and connection applications. In addition to machinery, the company also manufactures heat shrinkable sleeves, electrofusion sleeves, and plastic welding equipment for pipe jointing and sealing solutions. With a commitment to providing cost-effective products, optimized solutions, and reliable service, the company has established long-term cooperation with customers in many countries and regions worldwide. A comprehensive after-sales system is provided, including warranty service, lifetime technical support, free operator training, and overseas installation and commissioning services when required.

Provide complete turnkey production solutions, including design, installation, commissioning and training
Share extensive global production line experience
Supported by a team of senior professional engineers
Equipped with a national-level plastic machinery expert workstation in China

80+ Invention & Utility Model Patents
50+ Exporting Countries & Regions
70% Overseas Customer Share