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Flow Switches

32 Products
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 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.

FS Series Flowmeters with Alarm & Visual Display for Various Applications

Flowmeter with Flow Limit Switch offers visual flow rate indication and an adjustable flow alarm. Good for chemical processing, pump testing, process control, and drain lines.

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.

Duct-Mounted Pressure Sensor for Air/Gas Flow; Easy Install, 60" Ducts

The AFG Flow Grid is an easy-to-install duct-mounted pressure sensor for air and gas flow. Suitable for ducts up to 60", it offers reliable monitoring and control.

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.

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.

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.

Heavy Duty Thermal Dispersion Flow and Level Switches with FlexSwitch Technology

Heavy Duty Thermal Dispersion Flow and Level Switches with FlexSwitch Technology offer reliable flow and level detection for demanding industrial applications.

Analyzer Flow Switch Monitor

The Analyzer Flow Switch Monitor series offers reliable flow monitoring solutions for various applications, ensuring accurate and efficient system performance.

Basic Insertion Type Field-configured Flow Switch with FlexSwitch Technology

Basic Insertion Type Flow Switch with FlexSwitch Technology offers easy field configuration for reliable and flexible flow monitoring.

In-line Flow Switch with FlexSwitch Technology for Extremely Low Flow Applications

Reliable in-line flow switch with FlexSwitch technology, designed for precise detection in extremely low flow applications.

Flow Switches

Switches support flow measurement, switching, control, or installation work in liquid, gas, air, water, and process systems. Products in this category span threaded plastic pipe flow switches, thermal dispersion liquid and gas flow switches, compact relay flow switches, heavy-duty paddle switches, trim-to-size paddle switches, and non-magnetic industrial flow switches.

Applications include pump protection, cooling water verification, HVAC hydronic loops, chemical lines, gas flow confirmation, filter monitoring, equipment interlocks, and alarms for low-flow or no-flow conditions. Products represented in the source data include Omega Engineering and Dwyer Instruments.

Applications include:

  • Detect flow or no-flow states
  • Protect pumps, heaters, chillers, and process equipment
  • Switch relays or control circuits
  • Use paddle or thermal dispersion measurement
  • Match wetted materials to liquid or gas service
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