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  • Butterfly Valve Classification
    Butterfly Valve Classification
    • 2021-05-04 09:00

    Concentric butterfly.,single eccentric butterfly valve,Double eccentric butterfly valve,triple eccentric butterfly valve

    Keywords: / Concentric butterfly.,single eccentric butterfly valve,Double eccentric butterfly valve,triple eccentric butterfly valve /

  • Features and Application of Triple Eccentric Butterfly Valve
    Features and Application of Triple Eccentric Butterfly Valve
    • 2021-05-04 08:45

    As we all know. API609 has in fact become the international standard for valves used in important industrial pipelines. JRVAL designs and manufactures in strict

    Keywords: / Application of Triple Eccentric Butterfly Valve,Features of Triple Eccentric Butterfly Valve /

  • The Working Principle of Triple Eccentric Butterfly Valve
    The Working Principle of Triple Eccentric Butterfly Valve
    • 2021-05-04 07:45

    The high-performance three-eccentric two-way hard sealing butterfly valve is characterized in that the valve seat sealing ring is composed of multiple layers of stainless steel sheets

    Keywords: /  Triple Eccentric Butterfly Valve /

  • History of Butterfly Valve
    History of Butterfly Valve
    • 2021-05-03 21:05

    In the 1930s, the United States invented the butterfly valve, and it was introduced to Japan in the 1950s, and it was only widely used in Japan in the 1960s. However, it was promoted in my country after the 1970s.

    Keywords: / History of Butterfly Valve /

  • Maintenance and Troubleshooting Methods of Butterfly Valve
    Maintenance and Troubleshooting Methods of Butterfly Valve
    • 2021-05-03 21:05

    Possible failures: leakage at both ends of the valve. Reasons: 1. The sealing gaskets on both sides are invalid.2. The pipe flanges are not evenly tightened or compressed.3. The upper and lower

    Keywords: / butterfly valve maintenance, valve troubleshooting. /

  • Rising Stem Knife Gate Valve vs Non-Rising Stem Knife Gate Valve
    Rising Stem Knife Gate Valve vs Non-Rising Stem Knife Gate Valve
    • 2021-05-03 21:05

    The rising stem means that the valve stem will rise when the valve is opened and closed, which is higher than the plane of the handwheel. The concealed stem means that the valve stem will not exceed the handwheel

    Keywords: / Rising Stem Knife Gate Valve,Non-Rising Stem Knife Gate Valve /

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