Company News

Company News

  • Cast Steel Gate Valve
    Gear operated gate valves can be used as efficient on/off valves for two-way flow.One of the most remarkable features of this type of gear operated gate valve is its straight and unobstructed passagew...
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  • Fuzhou Waterworks Combined Butterfly Check Valve Commissioning Test Site
    In September 2018, ZhengFeng Valve was installed in 3 sets DN800 combined butterfly check valves of Fuzhou Water Supply Company and has been in operation for nearly one year. Since ZhengFeng combined ...
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  • Hydraulic Balance Design Scheme
    I.Description of hydraulic balance design scheme:Static balancing valves are installed in the water supply and return pipelines at the thermal inlet of each unit. The specific scheme is made according...
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  • ZhengFeng Valve Test System
    1、Valve Flow Characteristic TestInstall the test valve in the corresponding position of the pipeline according to its size, start the frequency converter to make its frequency rise according to the s...
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  • 2018 Valve Industry Information Exchange and Publicity Work Meeting
    On August 24, Valve Branch of China General Machinery Industry Association held the 2018 valve industry information exchange and publicity work in Taiyuan, Shanxi Province. ZhengFeng Valve Group parti...
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  • Reasons of Hydraulic Maladjustment
    (1)Design ReasonThere are some problems of unreasonable design in pipe network design.The diameter of the pipe network adopted in the design drawing is generally too large, resulting in the mismatch between t...
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  • Meeting of Urban Water Supply and Drainage Association
    The 24th general meeting of qiannan urban water supply and drainage association was held in pingtang county, guizhou province on August 29, 2018. This conference is sponsored by qiannan town water sup...
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  • World Largest Dirt Separator
    In order to solve the problem of heating imbalance caused by slag plug and gas blockage in domestic heating system for a long time, the world's largest dirt separator developed and manufactured by Zhe...
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  • Hydraulic Balance Technology Exchange
    2018.6.20,ZhengFeng participated in the exchange of hydraulic balance technology of thermal power network of Linyi New Town Thermal Power. The general technical staff of ZhengFeng introduced the current ...
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  • Dirt Separator Technical Seminar
    2017.3.3,ZhengFeng Marketing Department manager Chen yi went to Beijing to attend the technical exchange meeting jointly organized by ZhengFeng Valve Group and Beijing Heat Group Xinyuan Heating Co., LTD....
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  • HVAC Academic Conference
    2015.6.26-27,Shandong Linyi, Shandong Province Professional Committee of the Institution of Civil Building HVAC, Civil Engineering Society of Professional Committee for Thermal Energy and Power in Shandon...
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  • TEL:+86-21-59599006
  • FAX:+86-21-59599006 ext.806
  • EMAIL: marketing@zecovalve.com
  • ADDRESS:Caoan Road 3999#, Shanghai, China
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