【Ten Years of Rapid Development in Chemical Processing Equipment】From 2018 to 2023, domestically produced \"46\" Class150 ultra-low temperature butterfly valves passed the evaluation

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Ten years of rapid development in chemical engineering technology; praise for the prosperous and strong China. This is just a starting point to encourage more participation from everyone. HaiChuan becomes even better with your involvement – we welcome all to join in the forum discussions. Be careful with fire risks as the heat increases in July. -------------------------------------------- On June 8-9, 2023, the China National Machinery Industry Federation and the China General Machinery Industry Association organized a product evaluation meeting in Zigui, Hubei, for the \"46\" Class150 triple-eccentric side-mounted ultra-low temperature butterfly valve (design temperature: -196°C to 150°C; model: 46\"DD363Y-CL150\") developed by Hubei Taihe Petrochemical Equipment Co., Ltd. and **Pipeline Network Group Nanshan (Shandong) Natural Gas Co., Ltd. for the Longkou LNG receiving station. The expert committee for the appraisal is composed of experts from units such as Hefei General Machinery Research Institute Co., Ltd., CNOOC Zhejiang Ningbo LNG Co., Ltd., Zhejiang Pump and Valve Product Quality Inspection Center, China Wuhuan Engineering Co., Ltd., Lanzhou University of Technology, China Global Engineering Co., Ltd., and Offshore Oil Engineering Co., Ltd. The appraisal committee believes that the large-diameter three-eccentric side-mounted ultra-low temperature butterfly valve developed possesses independent intellectual property rights, fills a gap in domestic technology, and its key technical parameters have reached the advanced level of similar international products; in particular, its sealing performance is superior to that of foreign products, making it suitable for use in LNG receiving stations. “The \"46\"Class150 Ultra-Low Temperature Butterfly Valve\" was developed over a period of two years, led by **Nanshan (Shandong) Natural Gas Co., Ltd. of the Pipeline Network Group**, and with the support of the Longkou LNG receiving station project. Following this certification, the developed ultra-low temperature large-diameter butterfly valve products will be gradually put into industrial use.