Skip to search Skip to main content Skip to navigation

Need assistance? Call us: 1-800-663-4209

We noticed you are in , please visit your local site by clicking the below link for regional offers and support.
Back To Top

Flow Switches

37 Products
Polypropylene Flow Switches – 3/8" or 1/4" NPT for Water & Cooling Systems

The Series P3 Polypropylene Flow Switches offer versatile inlet options for water and cooling systems. Ideal for pure water equipment and heat exchangers.

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.

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.

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

Adjustable Flow Switches for Oils & Gases, 0.5-20 GPM, Piston Design

The Series AFS Adjustable Flow Switches feature piston design for oils, liquids, and gases. Easily set flow rates from 0.5 to 20 GPM for reliable control and 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.

Brass High Pressure Flow Switches, 0.25-2.0 GPM, Industrial Use

The Brass High Pressure Flow Switches are designed for industrial use, managing liquid flow from 0.25 to 2.0 GPM. Ideal for cleaning and lubrication systems.

Globe Valve Flow Switches ± 1% Repeatability, Adjustable for Liquids

The Series GVS Globe Valve Flow Switches ensure precise flow detection for liquids with 1% repeatability and adjustable settings, ideal for lubrication and cooling applications.

Brass Flow Switches, Piston Mechanism, 0.10-1.5 GPM, for Liquid Flow

The Series P1 Brass Flow Switches feature a piston mechanism for precise flow detection, suitable for liquid applications between 0.10-1.5 GPM. Ideal for industrial use.

Flow Switch With Compact Relay Controller

This switch package offers a complete solution for flow or no-flow switching in pipes or ducting up to 12'. The compact relay controller actuates valves, pumps, or blowers.

Globe Flow Switch for Water/Oil – ± 1% Repeatability – Easy Adjustment

The Globe Flow Switch ensures precise flow detection in water and oil, featuring easy adjustments and durable, non-corrosive materials for reliable performance.

Vane Flow Switch for 1-6 in Pipes, 150 psig, 212 °F - Chemical & HVAC Use

The Vane Flow Switch is designed for 1-6 inch pipes, ideal for chemical and HVAC applications. It ensures equipment protection with excellent durability and chemical resistance.

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.

Duct Air Flow Switch, 400-1600 FPM, Die-Cast, Stainless Steel Vane

The Duct Air Flow Switch features a durable die-cast body and stainless steel vane, adjustable for air flow from 400-1600 FPM. Ideal for low air flow alarms in ducts.

Flow/No Flow Single Sensor Controller With Strobe Alert

For operator alert to low flow conditions an amber lens distributes the high intensity strobe light in a pattern which calls immediate attention to alarm conditions.

Single Sensor Controller

The FLCN-110 offers adjustable time delay relays, invert switch, and LED status enunciators all maximize the flexibility of this powerful controller.

Flow Switches

Flow Switches support automation, monitoring, switching, indication, safety, motion, or process control tasks in industrial, HVAC, laboratory, facility, and OEM systems. Products span liquid flow switches, gas flow switches, paddle flow switches, thermal dispersion switches, relay flow switches, and process flow detection devices.

Applications include pump protection, cooling water proof, HVAC flow verification, chemical lines, gas flow alarms, heater protection, and process interlocks. Products represented in the source data include Omega Engineering and Dwyer Instruments.

Applications include:

  • Switch loads, alarms, control circuits, or interlocks
  • Use relays, timers, pushbuttons, safety switches, or alarm devices
  • Support equipment sequencing, operator control, and protection
  • Mount devices in panels, enclosures, or field locations
  • Match contact ratings, coil voltage, and enclosure needs
Searching for your items
en-US
en_CA
Save Configuration