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Flow Switches

We offer highly reliable flow switches that have been engineered to specifically monitor the presence or absence of liquid, gas, or air flow in a system. Our liquid flow switches are available in vane-operated, piston, and mechanically actuated designs. We have the instruments to protect pumps, motors and equipment from the effects of low or no flow conditions. Our compact flow switch models come in piston designs to deliver proven performance in air and pure water applications. Vane flow switches are available at Transcat with field adjustability, providing count-on protection against flow variation or the stoppage of fluids, gases and flowing solids. You’ll also find brass flow switches designed to manage high inline pressure. Our switch selection includes explosion-proof products from Dwyer Instruments that have proven their worth in pipelines.

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Showing 26-49 of 49
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  1. Dwyer Instruments V6EPB-B-S-2-MI
    Dwyer Instruments V6EPB-B-S-2-MI Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-S-2-MI
    Mfg #: V6EPB-B-S-2-MI
    Availability: Please contact Transcat Customer Service for availability.
    Save item Compare
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  2. Dwyer Instruments V6EPB-B-S-2-B
    Dwyer Instruments V6 Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-S-2-B
    Mfg #: V6EPB-B-S-2-B
    Availability: Ships in 3-4 weeks
    $355.55
    Save item Compare
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  3. Dwyer Instruments V6EPB-B-S-1-MI
    Dwyer Instruments V6EPB-B-S-1-MI Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-S-1-MI
    Mfg #: V6EPB-B-S-1-MI
    Availability: Please contact Transcat Customer Service for availability.
    Save item Compare
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  4. Dwyer Instruments V6EPB-B-S-1-B
    Dwyer Instruments V6EPB-B-S-1-B Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-S-1-B
    Mfg #: V6EPB-B-S-1-B
    Availability: Ships in 3-4 weeks
    $339.90
    Save item Compare
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  5. Dwyer Instruments V6EPB-B-S-LF
    Dwyer Instruments V6EPB Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-S-LF
    Mfg #: V6EPB-B-S-LF
    Availability: Ships in 3-4 weeks
    $470.00
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    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  6. Dwyer Instruments V6EPB-B-D-6-MI
    Dwyer Instruments V6EPB-B-D-6-MI Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-D-6-MI
    Mfg #: V6EPB-B-D-6-MI
    Availability: Please contact Transcat Customer Service for availability.
    Save item Compare
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  7. Dwyer Instruments V6EPB-B-D-6-B
    Dwyer Instruments V6EPB-B-D-6-B Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-D-6-B
    Mfg #: V6EPB-B-D-6-B
    Availability: Please contact Transcat Customer Service for availability.
    Save item Compare
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  8. Dwyer Instruments V6EPB-B-D-5-MI
    Dwyer Instruments V6EPB-B-D-5-MI Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-D-5-MI
    Mfg #: V6EPB-B-D-5-MI
    Availability: Please contact Transcat Customer Service for availability.
    Save item Compare
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  9. Dwyer Instruments V6EPB-B-D-5-B
    Dwyer Instruments V6EPB-B-D-5-B Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-D-5-B
    Mfg #: V6EPB-B-D-5-B
    Availability: Please contact Transcat Customer Service for availability.
    Save item Compare
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  10. Dwyer Instruments V6EPB-B-D-4-MI
    Dwyer Instruments V6EPB-B-D-4-MI Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-D-4-MI
    Mfg #: V6EPB-B-D-4-MI
    Availability: Please contact Transcat Customer Service for availability.
    Save item Compare
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  11. Dwyer Instruments V6EPB-B-D-3-MI
    Dwyer Instruments V6EPB-B-D-3-MI Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-D-3-MI
    Mfg #: V6EPB-B-D-3-MI
    Availability: Please contact Transcat Customer Service for availability.
    Save item Compare
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  12. Dwyer Instruments V6EPB-B-D-3-B
    Dwyer Instruments V6EPB-B-D-3-B Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-D-3-B
    Mfg #: V6EPB-B-D-3-B
    Availability: Please contact Transcat Customer Service for availability.
    Save item Compare
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  13. Dwyer Instruments V6EPB-B-D-2-MI
    Dwyer Instruments V6EPB-B-D-2-MI Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-D-2-MI
    Mfg #: V6EPB-B-D-2-MI
    Availability: Please contact Transcat Customer Service for availability.
    Save item Compare
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  14. Dwyer Instruments V6EPB-B-D-2-B
    Dwyer Instruments V6EPB-B-D-2-B Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-D-2-B
    Mfg #: V6EPB-B-D-2-B
    Availability: Please contact Transcat Customer Service for availability.
    Save item Compare
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  15. Dwyer Instruments V6EPB-B-D-1-MI
    Dwyer Instruments V6EPB-B-D-1-MI Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-D-1-MI
    Mfg #: V6EPB-B-D-1-MI
    Availability: Please contact Transcat Customer Service for availability.
    Save item Compare
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  16. Dwyer Instruments V6EPB-B-D-1-B
    Dwyer Instruments V6EPB-B-D-1-B Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-D-1-B
    Mfg #: V6EPB-B-D-1-B
    Availability: Please contact Transcat Customer Service for availability.
    Save item Compare
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  17. Dwyer Instruments V4-2-D-U
    Dwyer Instruments V4-2-D-U Flotect Vane-Operated Flow SW Brass body, universal vane
    Order #: V4-2-D-U
    Mfg #: V4-2-D-U
    Availability: Please contact Transcat Customer Service for availability.
    Save item Compare
    Flotect Vane-Operated Flow SW Brass body, universal vane Learn More
  18. Dwyer Instruments V4-SS-2-D-U
    Dwyer Instruments V4-SS-2-D-U Flotect Vane-Operated Flow SW 316SS body, universal vane
    Order #: V4-SS-2-D-U
    Mfg #: V4-SS-2-D-U
    Availability: Ships in 3-4 weeks
    $1,176.70
    Save item Compare
    Flotect Vane-Operated Flow SW 316SS body, universal vane Learn More
  19. Dwyer Instruments V10SS
    Dwyer Instruments V10SS Flotect Mini-Size Flow Switch 303 SS, normally open or closed
    Order #: V10SS
    Mfg #: V10SS
    Availability: Please contact Transcat Customer Service for availability.
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    Flotect Mini-Size Flow Switch 303 SS, normally open or closed Learn More
  20. Dwyer Instruments V10
    Dwyer Instruments V10 Flotect Mini-Size Flow Switch Brass, normally open or closed
    Order #: V10
    Mfg #: V10
    Availability: Ships in 3-4 weeks
    $111.35
    Save item Compare
    Flotect Mini-Size Flow Switch Brass, normally open or closed Learn More
  21. Dwyer Instruments FS-2-W8
    Dwyer Instruments FS-2-W8 Vane Flow Switch 1" male NPT conn., 8 ft leads
    Order #: FS-2-W8
    Mfg #: FS-2-W8
    Availability: Ships in 3-4 weeks
    $99.30
    Save item Compare
    Vane Flow Switch 1" male NPT conn., 8 ft leads Learn More
  22. Dwyer Instruments FS-2-CND
    Dwyer Instruments FS-2-CND Vane Flow Switch, NPT process conn.,conduit electrical conn.
    Order #: FS-2-CND
    Mfg #: FS-2-CND
    Availability: Ships in 3-4 weeks
    $99.30
    Save item Compare
    Vane Flow Switch, NPT process conn.,conduit electrical conn. Learn More
  23. Dwyer Instruments FS-2-BSPT
    Dwyer Instruments FS-2-BSPT Vane Flow Switch 1" male BSPT
    Order #: FS-2-BSPT
    Mfg #: FS-2-BSPT
    Availability: Ships in 3-4 weeks
    $99.30
    Save item Compare
    Vane Flow Switch 1" male BSPT Learn More
  24. Dwyer Instruments V6EPB-B-D-4-B
    Dwyer Instruments V6EPB Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-D-4-B
    Mfg #: V6EPB-B-D-4-B
    Availability: Ships in 3-4 weeks
    $545.80
    Save item Compare
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
Showing 26-49 of 49
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