The Qingdao Huashida steel elbow 3PE anti-corrosion production line is mainly used in various fields, such as industrial oil and gas transportation, water supply transportation, sewage transportation, and chemical transportation.

At least sixteen sets of Elbow pipe conveying structures have been set up, with Elbow pipes placed on the conveying structures. The rotating shaft of the driving mechanism is driven by a rotating motor to rotate the gear plate, and the rotational power is transmitted through the driving mechanism as the center. Adjust the height of the hanging rubber roller using the lifting device of the Elbow pipe conveying structure to adapt to the uniform center height of different pipe diameters.

1. Variable bend pipe conveyor line

Breaking through the overall framework of conventional conveyor lines, a "variable elbow pipe conveyor line" with a fixed anti-corrosion center for bent pipes has been designed, allowing pipes with different elbow pipe diameters, curvature radii, and angles to undergo anti-corrosion operations on the same production line.

2. Precise arc determination technology

Developed precise arc determination technology, using alloy expansion heads to enlarge the diameter of steel pipes and eliminate internal stress during heating deformation. Subsequently, rapid cooling and tempering treatment were carried out to obtain precise curved pipes, overcoming the problem that existing CNC equipment cannot accurately handle springback, elongation, and forming radius.

3. Coaxial winding device for curved pipes

A coaxial winding device for curved pipelines has been designed, which adopts the asynchronous principle of inner and outer shafts and the internal expansion and contraction diameter technology to solve the problem of winding with different diameters rotating at the same line speed, achieving continuous and precise automatic winding.

4. Spray coating technology

Developed Elbow pipe external high-voltage electrostatic spraying technology to achieve automatic electrostatic spraying processing. Effectively improve the uniformity of surface spraying on steel pipes. The surface coating is thin, uniform, and has good glossiness. At the same time, the coating has good adhesion, high hardness, and good corrosion resistance.

5. Sulfide boiling technology

Applied fluidized boiling technology to achieve automatic control of FBE powder heating and melting. Easy to operate, low energy consumption, and stable physical performance.

Bend 3lpe coating pipe parameters

1. Awarded the first (set) technical equipment in Shandong Province
2. More efficient and stable
3. High degree of automation, intelligent design, reducing manual labor
4. 70% of products are shipped to countries and regions such as Europe, America, the Middle East, Central Asia, Africa, Russia, etc
5. High market share

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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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.