The largest diameter all-cast butterfly valve successfully developed to fill the gap
July 22 15:02:15, 2024
Recently, the largest butterfly valve in Zhengzhou Zheng Butterfly Valve Co., Ltd. successfully developed. With its type test passed at Hefei General Machinery Research Institute, this large-caliber full cast butterfly valve fills a gap in domestic design and manufacturing. Butterfly valves are widely used in water supply and drainage, electricity, gas, chemical and many other fields, commonly used caliber is generally below 2.2 meters, more than this figure is called non-standard products, the need for special design and manufacturing. Prior to the domestic all-cast butterfly valve only to develop a diameter of 3 meters, while the butterfly Zheng company's new product diameter reached 3.6 meters. According to reports, in the process, and the all-cast butterfly valve is welded steel butterfly valve, widely used by foreign manufacturers, but the anti-deformation on the rigidity and corrosion resistance than the Butterfly on the other companies such as China's all-cast butterfly valve . The butterfly valve developed by Zhengdian Co., Ltd., the 3.6-meter large diameter butterfly valve, is tailor-made for the water diversion project of the Shanghai World Expo. Its flow rate can reach 130,000 cubic meters per hour.