Leakage suppressed despite O-ring wear. New design eliminates leakage in vacuum selector valve on Space Shuttle waste-control subsystem. Applied to improve sealing in laboratory and industrial vacuum systems and other plumbing involving switching among lines with pressure differentials of order of 1 atmosphere (0.1 MPa).


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    Differential Pressure Helps Seal Ball Valve


    Contributors:

    Published in:

    Publication date :

    1985-04-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English


    Keywords :


    Flexible Wedge Seal For Ball Valve

    Levert, Joseph A. / Gage, Larry M. | NTRS | 1994





    DIFFERENTIAL PRESSURE VALVE

    TOYA SUSUMU / NUMAKURA TOMOYA | European Patent Office | 2020

    Free access