Butterfly valve seat
    7.
    发明授权

    公开(公告)号:US3630485A

    公开(公告)日:1971-12-28

    申请号:US3630485D

    申请日:1970-05-25

    申请人: CRANE CO

    发明人: WILLIAMS HUBERT L

    IPC分类号: F16K1/226

    CPC分类号: F16K1/2263

    摘要: A seat structure for butterfly valves in which shim means are inserted between two body rings to adjustably compress a resilient seat axially to thereby effect the desired radial clearance between the internal diameter of the seat and the disc closure member.

    Fabricated valve and method of making the same
    8.
    发明授权
    Fabricated valve and method of making the same 失效
    制造阀门及其制造方法

    公开(公告)号:US3567180A

    公开(公告)日:1971-03-02

    申请号:US3567180D

    申请日:1969-09-19

    申请人: CRANE CO

    发明人: WILLIAMS HUBERT L

    IPC分类号: F16K1/22 B21D51/00

    CPC分类号: F16K1/22 Y10T29/49414

    摘要: THIS INVENTION RELATES TO A FABRICATED HOLLOW ANNULAR BODY FOR USE AS A VELVE BODY OR THE LIKE AND TO A METHOD OF PRODUCING THE SAME. THE VALVE BODY IS FORMED BY ONE OR MORE STAMPING OPERATIONS ON A PIECE F METAL TO FORM A HALF SECTIONS WHICH IS ANNULAR OR RING LIKE IN FORM. TWO SUCH HALF SECTIONS ARE PLACED IN BACK TO BACK RELATION AND WELDED TOGETHER TO FORM THE HOLLOW ANNULAR VALVE BODY. JOURNALLING MEMBERS ARE WELDED IN PLACE ON THE VALVE BODY END A VALVE SHAFT CARRYING A VALVE DISC IS MOUNTED BY THE JOURNALLING MEMBERS FOR ROTATION.