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    Flow Switches

    Big Bear Instruments offers many different Flow Switches ideal for protecting machine tools from coolant flow failure, for protecting bearings from loss of lubricant, or to assure proper air flow. Sort by series, media type, body material, and more to find the best flow switch for your needed application.

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    Gems 122340 Flow Switch, FS-4 Series

    122340
    $153.28

    Gems 122341 Flow Switch, FS-4 Series

    122341
    $147.21

    Gems 122342 Flow Switch, FS-4 Series

    122342
    $147.21

    Gems 122343 Flow Switch, FS-4 Series

    122343
    $147.21

    Gems 122344 Flow Switch, FS-4 Series

    122344
    $153.28

    Gems 122345 Flow Switch, FS-4 Series

    122345
    $157.51

    Gems 122346 Flow Switch, FS-4 Series

    122346
    $147.21

    Gems 122347 Flow Switch, FS-4 Series

    122347
    $147.21

    Gems 122348 Flow Switch, FS-4 Series

    122348
    $147.21

    Gems 122349 Flow Switch, FS-4 Series

    122349
    $147.21

    Gems 122350 Flow Switch, FS-4 Series

    122350
    $147.21

    Gems 122351 Flow Switch, FS-4 Series

    122351
    $147.21

    Gems 122352 Flow Switch, FS-4 Series

    122352
    $185.83

    Gems 122353 Flow Switch, FS-4 Series

    122353
    $171.76

    Gems 122354 Flow Switch, FS-4 Series

    122354
    $171.76

    Gems 122355 Flow Switch, FS-4 Series

    122355
    $171.76

    Gems 122356 Flow Switch, FS-4 Series

    122356
    $171.76

    Gems 122357 Flow Switch, FS-4 Series

    122357
    $171.76

    Gems 129660 Flow Switch, FS-150 Series

    129660
    $159.58

    Gems 129661 Flow Switch, FS-150 Series

    129661
    $145.60
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