Category: Flow Switches

Flow Switches

Showing all 8 results

  • SKU:4684

    POTTER 1″ Waterflow Alarm Switch with Retard

    $183.30

    The Model VSR is a vane type waterflow switch for use on wet sprinkler systems. The VSR may also be used as a sectional waterflow detector on large systems. The VSR contains two single pole, double throw, snap action switches and an adjustable, instantly recycling pneumatic retard. The switches are actuated when a flow of 10 GPM (38 LPM) or more occurs downstream of the device. The flow condition must exist for a period of time necessary to overcome the selected retard period.

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  • SKU:4522

    POTTER 2-1/2″ Waterflow Alarm Switch with Retard

    $172.00

    The Model VSR is a vane type waterflow switch for use on wet sprinkler systems. The VSR may also be used as a sectional waterflow detector on large systems. The VSR contains two single pole, double throw, snap action switches and an adjustable, instantly recycling pneumatic retard. The switches are actuated when a flow of 10 GPM (38 LPM) or more occurs downstream of the device. The flow condition must exist for a period of time necessary to overcome the selected retard period.

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  • SKU:4669

    POTTER 2″ Waterflow Alarm Switch with Retard

    $195.00

    The Model VSR is a vane type waterflow switch for use on wet sprinkler systems. The VSR may also be used as a sectional waterflow detector on large systems. The VSR contains two single pole, double throw, snap action switches and an adjustable, instantly recycling pneumatic retard. The switches are actuated when a flow of 10 GPM (38 LPM) or more occurs downstream of the device. The flow condition must exist for a period of time necessary to overcome the selected retard period.

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  • SKU:4595

    POTTER 2″ Yoke Valve Supervisory Switch and Outside Screw

    $133.37

    The OSYSU is used to monitor the open position of an OS&Y (outside screw and yoke) type gate valve.

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  • SKU:4864

    POTTER 3″ Waterflow Alarm Switch with Retard

    $195.00

    The Model VSR is a vane type waterflow switch for use on wet sprinkler systems. The VSR may also be used as a sectional waterflow detector on large systems. The VSR contains two single pole, double throw, snap action switches and an adjustable, instantly recycling pneumatic retard. The switches are actuated when a flow of 10 GPM (38 LPM) or more occurs downstream of the device. The flow condition must exist for a period of time necessary to overcome the selected retard period.

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  • SKU:4739

    POTTER 4″ Waterflow Alarm Switch with Retard

    $202.85

    The Model VSR is a vane type waterflow switch for use on wet sprinkler systems. The VSR may also be used as a sectional waterflow detector on large systems. The VSR contains two single pole, double throw, snap action switches and an adjustable, instantly recycling pneumatic retard. The switches are actuated when a flow of 10 GPM (38 LPM) or more occurs downstream of the device. The flow condition must exist for a period of time necessary to overcome the selected retard period.

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  • SKU:4754

    POTTER 5″ Waterflow Alarm Switch with Retard

    $220.00

    The Model VSR is a vane type waterflow switch for use on wet sprinkler systems. The VSR may also be used as a sectional waterflow detector on large systems. The VSR contains two single pole, double throw, snap action switches and an adjustable, instantly recycling pneumatic retard. The switches are actuated when a flow of 10 GPM (38 LPM) or more occurs downstream of the device. The flow condition must exist for a period of time necessary to overcome the selected retard period.

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  • SKU:4518

    POTTER 6″ Waterflow Alarm Switch with Retard

    $220.00

    The Model VSR is a vane type waterflow switch for use on wet sprinkler systems. The VSR may also be used as a sectional waterflow detector on large systems. The VSR contains two single pole, double throw, snap action switches and an adjustable, instantly recycling pneumatic retard. The switches are actuated when a flow of 10 GPM (38 LPM) or more occurs downstream of the device. The flow condition must exist for a period of time necessary to overcome the selected retard period.

    Add to cart