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    • 66. 发明申请
    • PRESSURE ISOLATION MANIFOLD
    • 压力隔离阀
    • WO2015048500A1
    • 2015-04-02
    • PCT/US2014/057792
    • 2014-09-26
    • ROSEMOUNT INC.
    • HEDTKE, Robert
    • F17C13/02G01L19/00F17D5/00
    • F16K37/005F16K17/168F16K17/19G01L19/003G01L19/0609G01L19/0618Y10T137/8326
    • An isolation manifold 12 includes a manifold body 30, a process connection 32 at a first end of the manifold body 30, a pressure transmitter connection 34 at a second end of the manifold body 30, a passageway 44 through the manifold body 30, an isolation valve 36, and a pressure limiting device 42. The process connection 32 is for fluidly connecting the isolation manifold 12 to a process vessel 24 or conduit containing a process fluid. The pressure transmitter connection 34 is for fluidly connecting the isolation manifold 12 to a pressure transmitter. The passageway 44 fluidly connects the process connection 32 to the pressure transmitter connection 34. The isolation valve 36 is operable to selectively block the passageway 44 to isolate the process connection 32 from the pressure transmitter connection 34. The pressure limiting device 42 fluidly connects to the passageway 44 between the isolation valve 36 and the pressure transmitter connection 34. The manifold 12 may preferably include a pressure snubber 46 within the passageway 44 to increase the flow impedance of the passageway 44.
    • 隔离歧管12包括歧管主体30,歧管主体30的第一端处的过程连接32,歧管主体30的第二端处的压力变送器连接件34,通过歧管主体30的通道44,隔离件 阀36和压力限制装置42.过程连接32用于将隔离歧管12流体连接到处理容器24或含有工艺流体的导管。 压力变送器连接件34用于将隔离歧管12流体连接到压力变送器。 通道44将过程连接32流体地连接到压力变送器连接34.隔离阀36可操作以选择性地阻塞通道44以将过程连接32与压力变送器连接件34隔离。压力限制装置42流体连接到 通道44在隔离阀36和压力变送器连接件34之间。歧管12可以优选地包括在通道44内的压力缓冲器46,以增加通道44的流动阻抗。