Flow Switches
Flow Switches are devices used to monitor and control the flow of fluids through a system. They typically consist of a flow sensor, which detects changes in the fluid flow, and a switch or relay, which activates or deactivates a circuit based on the flow rate or volume. Flow switches can be used to signal the presence or absence of flow, to control the operation of pumps, valves, or other devices, or to trigger alarms or shut down systems in case of flow interruptions or abnormal conditions. They are commonly used in industries such as HVAC, water treatment, chemical processing, and fire protection, where flow monitoring and control are critical for system efficiency, safety, and regulatory compliance.
Showing 1–24 of 33 results
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Dwyer Series RMVII Rate-Master® Dial-Type Flowmeters
For Panel Mounting, Three Ranges to 10 GPM Water, High Pressure Limits
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Gems FS-380 Series Flow Switch
Brass or Stainless Steel Flow Switch
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Gems FS-500 Series Flow Switch
Low-cost flow switch
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Dwyer Series V4 Flotect® Vane-Operated Flow Switch
Field Adjustable Flow Switch
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Gems 27062
Flow Settings: 3.00 GPM
Body Material: 316 Stainless Steel
Port Size: 1″ NPT Female
Switch Type: SPDT (20VA) -
Dwyer Series TDFS2 Thermal Dispersion Flow Switch
Non-Mechanical, Low Pressure Drop
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Gems FS-480 Series Flow Switch
Large-body inline flow switch
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FineTek SP Series Thermal Dispersion Flow Switch
Thermal dispersion flow switch, Explosion-proof version available.
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FineTek SF Series Paddle Type Flow Switch
Paddle type Flow Switch
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Gems FS-200 Alloy Flow Switch
Externally adjustable flow switch
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Dwyer Series V10 Flotect® Mini-Size Flow Switch
Leak Proof Body, Weatherproof flow switch
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Dwyer Series V8 Flotect® Vane Operated Flow Switch
Field Adjustable Flow Switch
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Dwyer Series DTFA Variable-Area Flowmeter for Gases
Economical, Aluminum Body, 5% FS Accuracy
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Gems FS-400 Series Flow Switch
Flow Switch for Water and Oil
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Gems FS-926 Series Flow Switch
Liquid or Gas Explosion Proof Flow Switch
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Dwyer Series V6 Flotect® Mini-Size Flow Switches
Monitor Flow in 1/2″ to 2″ (12.70 to 50.80 mm) Pipe, Explosion-Proof, Compact
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Gems FS-380B Series Flow Switch
Brass or Stainless Steel Flow Switch
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Anderson-Negele FTS Flow Switch
Flow Meter for Food & Beverage
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Dwyer Series V7 Flotect® Vane Operated Flow Switch
Magnetic Linkage, UL Approved