Flow modulating control valve assembly
    1.
    发明授权
    Flow modulating control valve assembly 失效
    流量调节控制阀总成

    公开(公告)号:US4863098A

    公开(公告)日:1989-09-05

    申请号:US188839

    申请日:1988-05-02

    IPC分类号: G05D7/06

    摘要: A pilot operated flow modulating control valve assembly with a pilot valve to initiate opening and closing of a main control valve, and a secondary valve for separately controlling pressure across the control valve to achieve its modulated positions.

    摘要翻译: 具有先导阀的先导操作的流量调节控制阀组件,用于启动主控制阀的打开和关闭,以及用于分别控制控制阀两端的压力以实现其调节位置的次级阀。