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hebeihaihao

Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.


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Surface treatment of large diameter elbow for Saudi customers

At the beginning of January, Haihao received an order from a Saudi customer for large-diameter elbows and pipe fittings, and both parties agreed to deliver them within two months. After completing the HIC inspection of the raw materials in the early stage, Haihao quickly arranged the production schedule and completed the production work in the middle of February. After the completion of production, the product has undergone a series of tests such as ultrasonic testing, hydraulic testing and mechanical properties, and then the coating treatment has been arranged.

large diameter elbow

large diameter elbow

The outer coating of the large-diameter elbow is 3PE coating, and the inner coating is FBE. The first layer of epoxy powder is 150um, the second layer of adhesive is 200um, and the third layer of polyethylene (PE) is 3.6mm. 3PE coating has good corrosion resistance, water and gas permeability resistance and mechanical properties, which can keep the pipeline underground for decades.

large diameter elbows delivery

large diameter elbows delivery

Haihao Group is an enterprise specialized in research and development, production and sales of supporting products in the field of pipeline engineering. Our products cover all stages of pipeline, including all kinds of flanges, steel pipes, elbows, tees, valves, bolts, nuts, caps and other accessories. We have advanced testing equipment and professional coating team, and are committed to solving all product requirements of customers at one time. Welcome to consult and purchase.

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