Huashida's HDPE Large Diameter Steel-Reinforced Spiral Corrugated Pipe is quickly becoming the ideal choice for urban sewage and drainage systems, poised to gradually replace traditional plastic, cement, and cast iron pipes, thanks to its unique structure and outstanding performance.
This innovative piping solution combines multiple advantages:
1. High Ring Stiffness: External steel reinforcement provides the pipe with exceptional circumferential stiffness, resisting external pressure and soil deformation.
2. High Impact Strength & Lightweight: It offers both excellent impact resistance and a lighter self-weight, making transportation and installation more convenient.
3. Superior Creep Deformation Resistance: The pipe maintains its shape under long-term pressure, ensuring system stability and durability.
4. Outstanding External Pressure Resistance: Capable of withstanding high external loads and soil pressure, suitable for complex geological conditions.
5. Excellent Erosion Resistance: Exhibits strong resistance to various chemical media, including acids, alkalis, and salts, extending the pipe's service life.
6. Significant Material Cost Savings in Production: The unique structural design effectively reduces material consumption, enhancing economic benefits.
Applications & Market Potential
The HDPE Large Diameter Steel-Reinforced Spiral Corrugated Pipe is already widely adopted in urban sewage and drainage systems.
Its advantages, such as low assembly costs, easy operation, convenient connection, and economical construction, give it broad application prospects and significant market potential. It not only enhances pipeline system performance but also delivers substantial economic and social benefits.





Features of HDPE Hollow Wall steel reinforced Winding Pipe Extrusion Line:
1. HDPE Large Diameter Hollow Wall steel reinforced Winding Pipe Production Line designed with advanced technology includes 1st single screw extruder for profiled T belts, profiled T belts extrusion die, vacuum calibration cooling platform, hual-off, coiler; 2ND single screw extruder for HDPE plates, 3rd single screw extruder for melting glue material, spiral forming unit, cutting unit and stack unit.

2. Spiral forming unit: Adopts advanced multi-axes transmission box with feature of high transmission force and stable running performance. Unique design of composite die-head, rotational molding after combined feed, and two sets of extruder extrude PE for winding pipe, High quality of winding pipe produced by adopting the unique winding process for pipe forming, The glue extruder can be moved in up and down, left and right direction. PLC computer control system with touch screen interface can realize automatic and reliable operation

3. Cutting part: Saw cutting with desired length. OMRON or MITSUBISHI PLC computer control system with touch screen interface can realize automatic and reliable operation.

4. PLC computer control system with touch screen: With super high speed and large storage capacity, Multi control points: Forming pipe extrusion, melting PE adhesive extrusion, winding and cutting process can be auto-tail controlled synchronously, Separately controlling two extruder and winding unit in tandem with two touch screens.

5. It includes two parts.
The first part is PE Pipe Production Line. The function of it extrude PE/PP profiled T belt. It include as following equipment:
SJ series Single Screw Extruder / Die Head ( outer mold and mandrill) / Calibration &Cooling platform, Hual-off and coiler
The second part is Forming Machine of HDPE double flat Wall steel reinforced Winding Pipe. The function of it can produce qualified HDPE double flat Wall steel reinforced Winding Pipe. It includes as below equipment:
SJ series Single Screw Extruder / Die Head / Spiral forming unit / Cutting Unit / Stack Unit / PLC control system with touch screen

Technical parameters

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.

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packaging

Certifications

1. company profile

Qingdao Huashida Machinery Co., Ltd. is located in Qingdao High & New Technology Industrial Area- Qingdao Huashida industrial Park, covers an area of about 4000 square meters. We have tens of years experience in plastic pipe, sheet, and board extrusion lines, and pipe joints and welding tools such as heat shrinkable sleeve, Electro fusion sleeve etc.

2. main products

Our main products include as following,HDPE PU pre-insulation Jacket Pipe extrusion line,3PE steel pipe anticorrosion&coating machinery,Rubber&plastic foam flexible insulation tube/sheet production line,HDPE water supplying pipe extrusion line,PE PP sheet board extrusion line,Heat shrinkable sleeve production line,Hollow wall spiral pipe production line,Plastic welding rod extrusion line,Radiation cross-linked PE heat shrinkable sleeve,Electro fusion tape,Portable extrusion welder.

Our machines make products what are widely used as jacket pipe of PU foam insulation pipe in municipal heating pipe system; Municipal water supplying and drainage pipeline; Oil and gas pipeline; Pipe joints of plastic drainage water pipes, PU foam insulation pipelines, 2PE/3PE oil and gas pipelines;
Besides manufacturing machines, we also make Heat shrinkable sleeves and electro fusion sleeves and plastic welders, which are widely used as pipe joints and sealings of plastic drainage water pipes, PU foam insulation pipelines, 2PE/3PE oil and gas pipelines;

4. Our certificates and Patents

5. Global market
Our purpose is to supply highest cost-effective products and the most suitable solutions to our clients, as well as intimate help and service, on this basis we reach a win-win situation.
For over 14years We have exported to many foreign countries, such as Russia, Iran, Turkey, U. A. E, Sudan, Ukraine, Uzbekistan, Azerbaijan, South Asia, Poland etc.

6. Core Team

The guarantee period is 12 months from the date of installing, but no more than 14 months from the date of delivery. After this period we are obliged to provide with lifelong service at the expense of Buyer.During the warranty period we are responsible to provide trouble shootings and help the customer to solve the problems, provide spare parts which are broken, except breakings caused by the Buyer.We will provide the technical service train the workers from the buyers for free.We can also send technicians to the buyer's companies abroad for help installation and testing the lines. But the buyer shall pay for the round trip tickets, accommodation, transportation, medicine treatment and insurance of the technicians in foreign countries and some salary accordingly.