China's Largest 2.8-Meter Longitudinal Welded Pipe Machine Independently Developed by TZ Put into Operation

2026-10-22 08:48
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en.Wedoany.com Reported - On October 21, the largest 2.8-meter longitudinal welded pipe machine in China, independently developed by Taiyuan Heavy Machinery Group Co., Ltd. (hereinafter referred to as "TZ"), was successfully put into operation at the customer's site. This not only sets a new upper limit for the specifications of domestic longitudinal welded pipe machines, but also consolidates the discourse power of domestically produced equipment in the longitudinal welded pipe field, and further helps ensure equipment supply security and cost controllability for oil and gas pipeline network construction while reducing dependence on foreign key equipment.

Longitudinal welded pipe is a key basic material for energy transmission and major engineering construction, known as the "main artery" of energy and material transportation. During the "15th Five-Year Plan" period, China will accelerate the construction of the "six networks," including the interconnection of underground pipeline networks, and demand for large-diameter longitudinal welded pipe continues to rise. A relevant responsible person of TZ stated that as the core equipment of the production line, the specification upper limit and welding quality of the longitudinal welded pipe machine directly determine the maximum diameter, pressure-bearing performance, and overall quality of the finished pipe.

As the largest specification longitudinal welded pipe machine independently developed in China, this equipment has the production and manufacturing capability for longitudinal welded pipes with diameters from 0.6 meters to 2.8 meters, which can help customers manufacture longitudinal welded pipes with higher transportation efficiency and effectively enhance customers' global market competitiveness in the field of ultra-large-diameter welded pipes.

According to the introduction, in developing the 2.8-meter longitudinal welded pipe machine, TZ innovated the design concept of the traditional ring frame, fully optimized the frame structure, making manufacturing and on-site installation no longer cumbersome, greatly shortening the production cycle and maximizing delivery efficiency. The equipment is equipped with an intelligent weld seam automatic centering system, achieving intelligent alignment throughout the welding process, reducing manual operation deviations, and providing stronger quality assurance for every steel pipe. A relevant responsible person of TZ said that under the dual carbon background, high-end equipment must not only produce good products but also save energy consumption. This equipment is equipped with high-efficiency energy-saving motors, achieving up to 25% power savings compared with traditional models, truly achieving both efficient production and green environmental protection.

Great power equipment is great in its "size," and even more in its "strength." A relevant responsible person of TZ stated that metallurgical equipment is a calling card of TZ. From the continued leadership in straightening equipment, to the self-reliance in complete sets of seamless steel pipe equipment, and further to the extreme breakthrough in large-diameter longitudinal welded pipe equipment, each of our major innovations is forging key technologies into an industrial foundation that is independently controllable, upholding the "hard backbone" of the country's advanced manufacturing industry.

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