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Flow Switch

29 Products
3/4 in Flow Switches for Threaded Plastic Piping

The FS-100-Series offers low cost flow monitoring with a variety of switch actuation points and low pressure drop. All wetted parts are polypropylene.

Thermal Dispersion Flow Switches for Liquids

The FST-200 flow switches use thermal dispersion technology to create a very accurate and economical method of sensing flow. Monitor fluids from 0.4 to 1.2 specific gravity.

Heavy Duty Paddle Flow Switch

The FSW-160 is the newest heavy-duty line of flow switches.The switch is used to signal,start,or stop electronically operated equipment when flow or no-flow conditions occur.

Trim to Size Paddle Type Flow Switch

The FSW-25 flow switch utilizes the force of liquid flow to propel its paddle and to detect the incoming flow or movement of the existing liquid in the pipe.

Economical Brass Flow Switches

The FSW301 flow switch comprises a paddle system with a permanent magnet attached. This construction allows a useful life of up to 100,000,000 switching cycles.

Compact Fan and Filter Fan Air Flow Switch

The FSW800B-Series air-flow monitor provides a simple but reliable alternative to indicate positive or negative air flow of fans.

Thermal Dispersion Flow Switches for Use With Gases

The FST-320-Series thermal dispersion flow switches, especially designed for use with gases, sense changes in the heat transfer characteristics of the gases.

Non-magnetic Industrial Flow Switches - Ideal for Rusty Water

The FSW-30A flow switches are supplied with six orifices to provide 6 overlapping flow ranges from 0.12 to 8.0 GPM for water. Wetted Parts: brass, 316 SS, phosphor bronze.

Industrial Flow Switches - From 2 to 15 Feet/second

The FSW-40A and FSW-50-Series flow switches feature 15 A SPDT switches. Their non-magnetic design makes these switches ideal for applications in which rust is a problem.

Flotect® Flow Switches: Weatherproof, Explosion-Proof, Low Flow Protection

The Flotect® Flow Switches provide reliable low flow protection in weatherproof and explosion-proof designs. Ideal for safeguarding pumps and systems in demanding environments.

Hydrogen - Direct Read, Panel Mount Variable Area Flow Meters

Discover the Hydrogen Direct Read Panel Mount Flow Meters, designed for accurate flow measurement in a compact, easy-to-install format. Perfect for various applications.

Mini Flow Switches for 1/2 to 2 in Pipelines, Brass or SS Body

The Series V10 Mini Flow Switches monitor flow in 1/2 to 2-inch pipelines. Available in brass or stainless steel, they ensure reliable performance for various applications.

Vane Flow Switch for Boilers & Heaters, Adjustable 1-8 in Pipes

The Series FS-2 Vane Flow Switch is designed for boilers and heaters, adjustable for 1-8" pipes. Ideal for flow proving in various applications, featuring durable aluminum housing.

Air - Direct Read, Panel Mount Variable Area Flow Meters

Discover the Air Direct Read Panel Mount Variable Area Flow Meters, designed for easy monitoring of airflow in various applications with a clear and user-friendly display.

Flow Switch, LED Indicators, Adjustable Flow Rate, NO/NC Outputs

The Series TDFS2 Thermal Dispersion Flow Switch features adjustable flow rates and LED indicators for easy monitoring. Ideal for boilers, chillers, and liquid transfer systems.

TDS Thermal Flow Switch for Non-Coating Liquids, Adjustable SPDT Output

The TDS Thermal Flow Switch detects non-coating liquids, featuring adjustable SPDT output and LED indicators for flow status. Ideal for pump and process protection.

Liquid Flow Transmitter and Switch with Visual Indication

The FSW-9000-Series is a flow switch monitor that measures the velocity of the flow. The-Series provides two output options: a 4 to 20mA analog output and a PNP/NPN output.

Compact Flotect® Flow Switch – Weatherproof, NEMA 4, Fits 1/2 to 2 in Pipes

The Compact Flotect® Flow Switch is a weatherproof, NEMA 4 device designed for 1/2 to 2-inch pipes, ensuring reliable flow monitoring for liquids, gases, and air.

Thermal Dispersion Flow Switches

The FSW-6000/7000-Series are thermal flow switch monitors designed to monitor flow status and also used to detect level of liquids, air and gas with visual indication of flow

Flow Switch

Flow switches are vital for industrial, commercial, and lab applications. DwyerOmega provides diverse options, including economical air flow switches, heavy-duty paddle switches, and thermal dispersion models for liquids. Ideal for precise flow monitoring and control.
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