Recently, the State Administration for Market Regulation and the Standardization Administration of China issued the No. 4 National Standard Announcement of 2026, officially releasing the national standard GB/T 32543-2026 "Construction Machinery and Equipment - Concrete Delivery Pipes - Connection Types and Safety Requirements", led by Zoomlion. As a key component standard for concrete pumping equipment, this standard clarifies the safety requirements for concrete delivery pipes, which will further guide the safe and healthy development of the industry, fully reflecting the company's technological leadership in the concrete pumping industry.
▲National standard release led by Zoomlion Heavy Industry Science and Technology Co., Ltd
GB/T 32543-2026 "Construction Machinery and Equipment - Concrete Delivery Pipes - Connection Types and Safety Requirements" specifies the types, dimensions, connection types, connection dimensions, safety requirements, test methods, and inspection rules for concrete delivery pipes, and unifies the assembly dimensions of flanges, pipe clamps, and sealing rings for delivery pipes. This not only enhances the interchangeability of vulnerable parts of equipment from different manufacturers, improves user convenience, but also promotes enterprises to optimize the sealing structure, enhance sealing performance, prolong the service life of vulnerable parts, improve product quality, and facilitate green manufacturing. At the same time, this standard also details the safety requirements for the design, manufacturing, use, and inspection of delivery pipes, playing a significant role in preventing safety accidents and promoting the safe and healthy development of the industry.
▲Demonstration effect diagram of concrete delivery pipe
During the development process of this standard, Zoomlion also received strong support and active participation from relevant enterprises in the industry, and the content of the standard has been fully verified and widely recognized by the industry.
Zoomlion is the only enterprise in the industry that possesses a national engineering technology research center for concrete machinery. It has led the formulation and revision of over 90% of the standards in the concrete machinery industry and spearheaded the issuance of the first international standard for the concrete pumping machinery industry. Currently, Zoomlion has led and participated in the formulation and revision of over 600 national, industry, and group standards, firmly ranking first in the industry in terms of quantity.
