US 
CAN - en 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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Dwyer Instruments V6EPB Flotect Mini-Size Flow Switch Brass upper and lower bodyOrder #: V6EPB-B-D-4-B Mfg #: V6EPB-B-D-4-B Availability: In stock $467.45Flotect Mini-Size Flow Switch Brass upper and lower body Learn More -
Dwyer Instruments AFS-251 Flw swtch, gases, 18 AWG, 24" polymeri, brss pstn brss hsng
Order #: AFS-251 Mfg #: AFS-251 Availability: Ships in 3-4 weeks $1,560.75Flw swtch, gases, 18 AWG, 24" polymeri, brss pstn brss hsng Learn More -
Dwyer Instruments AFS-232 Adjustable Flow Switch for Gases,1/2"NPT Conduit Conn.
Order #: AFS-232 Mfg #: AFS-232 Availability: Ships in 3-4 weeks $1,073.30Adjustable Flow Switch for Gases,1/2"NPT Conduit Conn. Learn More -
Dwyer Instruments TDS222 Thermal Dispersion Flow Switch PVDF wetted parts, 4.5" length
Order #: TDS222 Mfg #: TDS222 Availability: Ships in 3-4 weeks $600.00Thermal Dispersion Flow Switch PVDF wetted parts, 4.5" length Learn More -
Dwyer Instruments TDS212 Thermal Dispersion Flow Switch PVDF wetted parts, 3.0" length
Order #: TDS212 Mfg #: TDS212 Availability: Ships in 3-4 weeks $680.00Thermal Dispersion Flow Switch PVDF wetted parts, 3.0" length Learn More -
Dwyer Instruments TDS122 Thermal Dispersion Flow Switch PP/PPS wetted parts 4.5" length
Order #: TDS122 Mfg #: TDS122 Availability: Ships in 3-4 weeks $450.00Thermal Dispersion Flow Switch PP/PPS wetted parts 4.5" length Learn More -
Dwyer Instruments TDS112 Thermal Dispersion Flow Switch PP/PPS wetted parts 3.0" length
Order #: TDS112 Mfg #: TDS112 Availability: Ships in 3-4 weeks $442.70Thermal Dispersion Flow Switch PP/PPS wetted parts 3.0" length Learn More -
Dwyer Instruments GVS-113 Series GVS Globe Valve Switch Actuation set pt 2.0-8.0 GPM
Order #: GVS-113 Mfg #: GVS-113 Availability: Ships in 3-4 weeks $497.85Series GVS Globe Valve Switch Actuation set pt 2.0-8.0 GPM Learn More -
Dwyer Instruments P2-15 Series P2 Flow Switch Actuation set point .42 CFM
Order #: P2-15 Mfg #: P2-15 Availability: Ships in 3-4 weeks $152.15Series P2 Flow Switch Actuation set point .42 CFM Learn More -
Dwyer Instruments P2-11 Series P2 Flow Switch Actuation set point .05 GPM
Order #: P2-11 Mfg #: P2-11 Availability: Ships in 3-4 weeks $152.15Series P2 Flow Switch Actuation set point .05 GPM Learn More -
Dwyer Instruments V8-WP Flotect Vane Operated Flow SW with weatherproof enclosure
Order #: V8-WP Mfg #: V8-WP Availability: Ships in 3-4 weeks $150.50Flotect Vane Operated Flow SW with weatherproof enclosure Learn More -
Dwyer Instruments V6EPS-S-S-6-S Flotect Mini-Size Flow Switch SST upper and lower body
Order #: V6EPS-S-S-6-S Mfg #: V6EPS-S-S-6-S Availability: Ships in 3-4 weeks $920.00Flotect Mini-Size Flow Switch SST upper and lower body Learn More -
Dwyer Instruments V6EPS-S-S-5-S Flotect Mini-Size Flow Switch SST upper and lower body
Order #: V6EPS-S-S-5-S Mfg #: V6EPS-S-S-5-S Availability: Ships in 3-4 weeks $857.00Flotect Mini-Size Flow Switch SST upper and lower body Learn More -
Dwyer Instruments V6EPS-S-S-4-S Flotect Mini-Size Flow Switch SST upper and lower body
Order #: V6EPS-S-S-4-S Mfg #: V6EPS-S-S-4-S Availability: Ships in 3-4 weeks $754.00Flotect Mini-Size Flow Switch SST upper and lower body Learn More -
Dwyer Instruments V6EPS-S-S-3-S Flotect Mini-Size Flow Switch SST upper and lower body
Order #: V6EPS-S-S-3-S Mfg #: V6EPS-S-S-3-S Availability: Ships in 3-4 weeks $569.95Flotect Mini-Size Flow Switch SST upper and lower body Learn More -
Dwyer Instruments V6EPS-S-S-2-S Flotect Mini-Size Flow Switch SST upper and lower body
Order #: V6EPS-S-S-2-S Mfg #: V6EPS-S-S-2-S Availability: Ships in 3-4 weeks $485.00Flotect Mini-Size Flow Switch SST upper and lower body Learn More -
Dwyer Instruments V6EPS-S-S-1-S Flotect Mini-Size Flow Switch SST upper and lower body
Order #: V6EPS-S-S-1-S Mfg #: V6EPS-S-S-1-S Availability: Ships in 3-4 weeks $401.00Flotect Mini-Size Flow Switch SST upper and lower body Learn More -
Dwyer Instruments V6EPS-S-D-6-S Flotect Mini-Size Flow Switch SST upper and lower body
Order #: V6EPS-S-D-6-S Mfg #: V6EPS-S-D-6-S Availability: Ships in 3-4 weeks $986.50Flotect Mini-Size Flow Switch SST upper and lower body Learn More -
Dwyer Instruments V6EPS-S-D-5-S Flotect Mini-Size Flow Switch SST upper and lower body
Order #: V6EPS-S-D-5-S Mfg #: V6EPS-S-D-5-S Availability: Ships in 3-4 weeks $890.50Flotect Mini-Size Flow Switch SST upper and lower body Learn More -
Dwyer Instruments V6EPS-S-D-3-S Flotect Mini-Size Flow Switch SST upper and lower body
Order #: V6EPS-S-D-3-S Mfg #: V6EPS-S-D-3-S Availability: Ships in 3-4 weeks $614.50Flotect Mini-Size Flow Switch SST upper and lower body Learn More -
Dwyer Instruments V6EPS-S-D-2-S Flotect Mini-Size Flow Switch SST upper and lower body
Order #: V6EPS-S-D-2-S Mfg #: V6EPS-S-D-2-S Availability: Ships in 3-4 weeks $551.50Flotect Mini-Size Flow Switch SST upper and lower body Learn More -
Dwyer Instruments V6EPB-B-S-6-MI Flotect Mini-Size Flow Switch Brass upper and lower body
Order #: V6EPB-B-S-6-MI Mfg #: V6EPB-B-S-6-MI Availability: Ships in 3-4 weeks $571.00Flotect Mini-Size Flow Switch Brass upper and lower body Learn More -
Dwyer Instruments V6EPB-B-S-6-B Flotect Mini-Size Flow Switch Brass upper and lower body
Order #: V6EPB-B-S-6-B Mfg #: V6EPB-B-S-6-B Availability: Ships in 3-4 weeks $571.00Flotect Mini-Size Flow Switch Brass upper and lower body Learn More -
Dwyer Instruments V6EPB-B-S-5-MI Flotect Mini-Size Flow Switch Brass upper and lower body
Order #: V6EPB-B-S-5-MI Mfg #: V6EPB-B-S-5-MI Availability: Ships in 3-4 weeks $451.00Flotect Mini-Size Flow Switch Brass upper and lower body Learn More -
Dwyer Instruments V6EPB-B-S-4-MI Flotect Mini-Size Flow Switch Brass upper and lower body
Order #: V6EPB-B-S-4-MI Mfg #: V6EPB-B-S-4-MI Availability: Ships in 3-4 weeks $383.00Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
