22 sets of DN4000 super large diameter butterfly valve successfully completed
After several months of hard work, CNNC's Public Works Valves Division experienced various difficulties and hardships. Finally, it took the heavy rain on the night of September 16 to transport the last valve of the DN4000 super-large diameter butterfly valve project to Shanghai Port. So far, the project The manufacturing work was successfully completed.
The 22 sets of DN4000 butterfly valves (11 sets of electro-hydraulic control type, 11 sets of electric type, including a set of complicated systems such as valve connecting short tubes, expansion joints and supporting bypass valves) have adopted many new manufacturing methods. The assembly process is the crystallization of the collective wisdom of the technology, quality, production and other units of the Public Works Valve Division.
In 2009, CNNC Technology had the experience in designing and manufacturing the DN4000 super large diameter butterfly valve and provided the first butterfly valve for the Shanghai Qingcaosha project. The successful completion of the 22 sets of DN4000 super large diameter butterfly valve projects marks that CNNC has the strength and experience in the mass production of super large diameter butterfly valves.
Ninth Party Branch
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