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  • Overall Strategy of Valve Selection (I)

    In the fluid pipeline system, the valve is control element, which is mainly used to isolate equipment and pipeline system, regulate flow, prevent backflow, regulate and discharge pressure. It can be used to control the flow of air, water, steam, various corrosive media, mud, oil, liquid metal, ra...
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  • Daily maintenance of valves

    The storage environment of the valves should be noted that: The valve shall be stored in a dry and ventilated room and blocked at both ends of the channel; The valve shall be inspected regularly, and the dirt on it shall be removed, and the anti-rust oil shall be coated on its surface; The valv...
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  • General Requirements for Valve Settings (IV)

    5. Other requirements for valve setting 5.1 The center lines of valves on parallel pipelines shall be aligned as much as possible. When valves are arranged adjacent to each other, the clear distance between hand wheels shall not be less than 100mm; Valves can also be sta...
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  • General Requirements for Valve Settings (III)

    3. Setting requirements of large size valves 3.1 Gear drive mechanism shall be used for operation of large size valves, and the required space position of drive mechanism shall be considered during setting. 3.2 Large size valves shall be provided with supports on one or ...
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  • General Requirements for Valve Settings (II)

    2.4 The center of the valve handwheel is 750~1500mm from the operating surface, and the most appropriate height is 1200mm. The installation height of the valve that does not need frequent operation can reach 1500~1800mm. When the installation height cannot be lowered and...
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  • Completion and Delivery of DN600 Electric Extended Stem Soft Sealing Butterfly Valve

    Completion and Delivery of DN600 Electric Extended Stem Soft Sealing Butterfly Valve

    Recently, the DN600 electric extended stem soft sealing butterfly valve (Electric Operated Soft Sealing Butterfly Valve)customized by Shanghai Shengyu Valve Co., Ltd. for the trenchless repair project of the drainage pipeline in Kunshan High tech Zone has been successf...
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  • General Requirements for Valve Settings (I)

    This regulation is applicable to the setting of gate valves, globe valves, ball valves, butterfly valves and pressure release valves in petrochemical plants. Please see relevant regulations for the setting of check valve, safety valve, regulating valve and drain valve. T...
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  • The Knowledge of Pipeline Valve (Part V)

    The Knowledge of Pipeline Valve (Part V)

    4. Materials for long-distance pipeline valves The material selection of long-distance pipeline valves shall meet the requirements of strength, sealing, service life, high temperature, high pressure, wear resistance, corrosion resistance, fire prevention, anti-static, et...
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  • Shengyu Valve Company successfully passed the 2022 annual supervision and audit of ISO9001 Management System and CE-PED Certificate

    Shengyu Valve Company successfully passed the 2022 annual supervision and audit of ISO9001 Management System and CE-PED Certificate

    From October 17 to 18, 2022, the auditor-Mr. Wu of LRQA Industrial Technology Services (Shanghai) Co., Ltd. (Lloyd’s Register) conducted an annual supervision and audit of ISO9001 Management System (Certificate identity number: 10399601) and CE-PED Certificate (Certifica...
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  • DIFFERENCE BETWEEN FLOATING BALL VALVES AND TRUNNION MOUNTED BALL VALVES

    First of all, Understand the principle of Trunnion mounted ball valves(Pipeline System Trunnion Mounted Ball Valve ) and floating ball valves(Casting / Forged Floating Ball Valve for sour, water & gas medium). Trunnion mounted ball valves, as the name implies, its ...
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  • The Knowledge of Pipeline Valve (Part IV)

    3. Technical Requirements The long distance transmission pipeline is a global energy supply line, from the Arctic Circle to the equator, from the mountains to the seabed, from the plateau to the desert, and passes through seismic zones, marshes, permafrost, rivers, lakes...
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  • The Knowledge of Pipeline Valve (Part III)

        3)  Spherical Regulating Valve Structure:The spherical regulating valve, including the left valve body, valve seat, ball, valve stem and right valve body, its feature is: The center of the ball is perpendicular to the original flow path hole with a circular hole cha...
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